VERIFIED(CDA Source-Verified)

C10200 Oxygen-Free (OF) Copper

Primary Designation:UNS C10200

Aliases:

Oxygen-FreeOF CopperC10200

Mat Grades internal verification confirms source-backed fidelity and data integrity. It does not constitute external certification, ASTM/CDA endorsement, or guaranteed material conformity for procurement.

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Data Completeness & Record Integrity:2 composition elements and 192 contextual property values cataloged.

Omitted fields represent unverified parameters. "Missing is better than invented."

Key Engineering Properties

Representative source rows, qualified by their reported conditions. Inspect the tables below for all values, limits, and source notes.

Density

8.941 g/cm³TYPICAL · at 20 °C

Electrical Conductivity

101 % IACSTYPICAL · at 20 °C

Thermal Conductivity

391.15 W/(m·K)TYPICAL · at 20 °C

Specific Heat Capacity

385.2 J/(kg·K)TYPICAL · at 20 °C

Melting Range (Solidus / Liquidus)

1082.8 – 1082.8 °C1981.0 – 1981.0 °F

Solidus: 1082.8°C | Liquidus: 1082.8°C

Composition Excerpt

Cu ≥ 99.95 wt%Copper (min)

Standard Elemental Basis: MIN

Engineering Summary

UNS C10200 Oxygen-Free (OF) Copper is high-purity unalloyed copper standardized with minimum 99.95% Cu (including silver) melted in an oxygen-free reducing environment. It features minimum 100% IACS electrical conductivity, excellent impact toughness, and immunity to hydrogen embrittlement during brazing or welding.

Documented Product Applications (Cited CDA Reference Profile)

›Billet Mold Tube: Conductivity (Electrical)
›Billet Mold Tube: Conductivity (Thermal)
›Billet Mold Tube: Corrosion Resistance
›Bus Conductors: Conductivity (Thermal)
›Busbars: Brazing Characteristics
›Busbars: Conductivity (Electrical)
›Busbars: Conductivity (Thermal)
›Busbars: Welding Characteristics
›Coaxial Cables: Brazing Characteristics
›Coaxial Cables: Conductivity (Electrical)
›Coaxial Cables: Welding Characteristics
›Coaxial Tube: Brazing Characteristics

Recognized Aliases

Source-backed commercial trade name and short designations cataloged in canonical data.

Oxygen-FreeOF CopperC10200

Standard Designations & Applicable Specifications

Semantically classified designations distinguishing primary standard identifiers, commercial trade names, and applicable specification references.

Direct Standard DesignationsDIRECT DESIGNATION

2 Primary Identifiers

System	Identifier	Standard System Name	Classification Notes & Provenance
UNSPRIMARY	C10200	Unified Numbering System	Unified Numbering System standard designation for copper alloys (CDA / SAE / ASTM)Ref: CDA UNS Standard Designations Register (C10200)
CDA	Alloy 102	Copper Development Association Alloy Number	CDA three-digit legacy designationRef: CDA UNS Standard Designations Register (C10200)

Recognized Commercial Aliases & Trade NamesCOMMON ALIAS

4 Listed

Recognized Name / Alias	Classification	Technical Usage & Context
Oxygen-Free Copper	Standard Commercial Name	CDA Standard Commercial Name
Oxygen-Free	Commercial Alias	Colloquial or commercial industry synonym
OF Copper	Commercial Alias	Colloquial or commercial industry synonym
C10200	Commercial Alias	Colloquial or commercial industry synonym

Applicable Specifications & Product Form ReferencesSPECIFICATION REFERENCE

12 Applicable Standards

Standards Body	Specification Code	Specification Title / Scope	Relationship Type
ASTM	ASTM B577	Detection of Cuperous Oxide (Hydrogen Embrittlement Susceptibility) in Copper	Specification Reference
ASTM	ASTM B224	Standard Classification of Coppers	Specification Reference
MILITARY	MILITARY MIL-B-18907	BANDS, PROJECTILE ROTATING	Specification Reference
MILITARY	MILITARY MIL-B-20292	BLANKS, ROTATING BAND, FOR PROJECTILES	Specification Reference
SAE	SAE J463	WROUGHT COPPER AND COPPER ALLOYS	Specification Reference
SAE	SAE J461	WROUGHT AND CAST COPPER ALLOYS	Specification Reference
ASTM	ASTM B152/B152M	COPPER SHEET, STRIP, PLATE AND ROLLED BAR	Specification Reference
ASTM	ASTM B187/B187M	COPPER BUS BAR, ROD AND SHAPES AND GENERAL PURPOSE ROD, BAR AND SHAPES	Specification Reference
AMS	AMS 4602	COPPER BARS, RODS, AND SHAPES, HARD TEMPER	Specification Reference
FEDERAL	FEDERAL QQ-B-650	BRAZING ALLOY, COPPER, COPPER-ZINC, AND COPPER-PHOSPHORUS	Specification Reference
ASME	ASME SB187	COPPER BUS BAR, ROD AND SHAPES AND GENERAL PURPOSE ROD, BAR AND SHAPES	Specification Reference
ASME	ASME B16.22	WROUGHT COPPER AND COPPER ALLOY SOLDER-JOINT PRESSURE FITTINGS	Specification Reference

Engineering Notice: Applicable specifications establish manufacturing requirements, dimensional tolerances, and test criteria for specific product forms (e.g. bus bar, wire, plate, pipe). They represent applicable technical standards, not alternative or equivalent alloy grades.

Chemical Composition (Weight %)

Elemental limits and values from the cited source. Preserves exact semantic limits (minimums, maximums, and ranges).

Element	Symbol	Atomic No.	Semantic Basis	Specified Value	Unit	Metallurgical Notes & Qualification	Data Status
Copper	Cu	29	MINIMUM	≥ 99.95	wt%	CDA chemical composition specification limits for C10200: min 99.95 wt%.Ref: Copper Development Association (CDA)	VERIFIED
Oxygen	O	8	MAXIMUM	≤ 0.00	wt%	CDA chemical composition specification limits for C10200: max 0.001 wt%.Ref: Copper Development Association (CDA)	VERIFIED

* Elemental percentages are expressed in weight percent (wt%). Values represent applicable specification limits. Unspecified trace elements are not fabricated or assumed.Preserves exact semantic basis

Property Display UnitsSwitch between Canonical SI and Source / US Customary units:

Physical Properties

Source-specific physical properties. Test temperatures are shown only where reported.

1 Parameters

Property Parameter	Canonical SI Value	Semantic Basis	Test Temperature / Context Range	Source Raw Reference	Source Reference	Status
Density	8.941 g/cm³	TYPICAL	Test Temp: 20 °CCDA Physical Properties: Density 0.323 lb/cu in. at 68°F (8.941 g/cm³ at 20°C)	0.323 lb/cu in. at 68°F	Copper Development Association Inc.	VERIFIED

Thermal & Thermodynamic Properties

Phase change temperatures, thermal conductivity, specific heat, mean coefficients of thermal expansion across standardized temperature ranges, and recommended thermal processing windows.

9 Parameters

Property Parameter	Canonical SI Value	Semantic Basis	Test Temperature / Context Range	Source Raw Reference	Source Reference	Status
Liquidus Temperature	1082.8 °C	TYPICAL	CDA Physical Properties: Liquidus temperature 1981.0 °F (1082.8 °C)	1981.0 °F	Copper Development Association Inc.	VERIFIED
Solidus Temperature	1082.8 °C	TYPICAL	CDA Physical Properties: Solidus temperature 1981.0 °F (1082.8 °C)	1981.0 °F	Copper Development Association Inc.	VERIFIED
Thermal Conductivity	391.15 W/(m·K)	TYPICAL	Test Temp: 20 °CCDA Physical Properties: Thermal conductivity 226.0 Btu/(ft·hr·°F) (391.15 W/(m·K) at 20°C)	226.0 Btu/ sq ft/ ft hr/ °F at 68°F	Copper Development Association Inc.	VERIFIED
Coefficient of Thermal Expansion (CTE)	16.92 µm/(m·K)	TYPICAL	CDA Physical Properties: CTE 9.4 µin/(in·°F) (16.92 µm/(m·K)) over range 68-21210°F	9.4 10^-6 per °F	Copper Development Association Inc.	VERIFIED
Coefficient of Thermal Expansion (CTE)	17.28 µm/(m·K)	TYPICAL	CDA Physical Properties: CTE 9.6 µin/(in·°F) (17.28 µm/(m·K)) over range 68-39210°F	9.6 10^-6 per °F	Copper Development Association Inc.	VERIFIED
Coefficient of Thermal Expansion (CTE)	17.64 µm/(m·K)	TYPICAL	CDA Physical Properties: CTE 9.8 µin/(in·°F) (17.64 µm/(m·K)) over range 68-57210°F	9.8 10^-6 per °F	Copper Development Association Inc.	VERIFIED
Specific Heat Capacity	385.2 J/(kg·K)	TYPICAL	Test Temp: 20 °CCDA Physical Properties: Specific heat 0.092 Btu/(lb·°F) (385.2 J/(kg·K))	0.092 Btu/ lb /°F at 68°F	Copper Development Association Inc.	VERIFIED
Annealing Temperature Range	371.1 – 648.9 °C	RANGE	CDA Thermal Treatments: Annealing temperature range 700 - 1200°F (371.1 - 648.9°C)	700 – 1200 °F	Copper Development Association Inc.	VERIFIED
Hot Working Temperature Range	760 – 871.1 °C	RANGE	CDA Thermal Treatments: Hot working range 1400 - 1600°F (760.0 - 871.1°C)	1400 – 1600 °F	Copper Development Association Inc.	VERIFIED

Electrical Properties

Electrical conductivity and resistivity in their reported units and conditions.

1 Parameters

Property Parameter	Canonical SI Value	Semantic Basis	Test Temperature / Context Range	Source Raw Reference	Source Reference	Status
Electrical Conductivity	101 % IACS	TYPICAL	Test Temp: 20 °CCDA Physical Properties: Volume conductivity 101.0 % IACS at 68°F (20°C)	101.0 % IACS at 68°F	Copper Development Association Inc.	VERIFIED

Contextual Mechanical Properties & Tempers

Engineering strength, ductility, and hardness values grouped by product form, temper, and section thickness. Mechanical properties are contextual and not isotropic averages.

Elastic & Baseline Mechanical ConstantsSource-specific measurement conditions

Modulus of Elasticity (Tension)

117.2 GPa

CDA Physical Properties: Elastic modulus in tension 17000.0 ksi (117.2 GPa)

Modulus of Rigidity

44126.4 MPa

CDA Physical Properties: Shear modulus 6400.0 ksi (44126.4 MPa)

Machinability Rating

20 %

CDA Fabrication Properties: Rating relative to Free-Cutting Brass (C36000 = 100%).

Forgeability Rating

65 —

CDA Fabrication Properties: Relative forgeability rating.

Product Form:

Temper / Condition:

Showing 62 of 62 conditions

Product Form	Temper / Condition	Section Size	Tensile (UTS)	Yield Strength	Elongation	Shear Strength	Fatigue Strength	Hardness (Scales Preserved)	Status
Flat Products	1/2 Hard (H02) · 20 °C Source values and qualifiers Tensile Strength: 289.6 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 248.2 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 14 % (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — H02	0.04	289.6 MPa	248.2 MPa	14 %	—	—	—	VERIFIED
Flat Products	1/2 Hard (H02) Source values and qualifiers Rockwell B Hardness: 40 HRB (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Rockwell F Hardness: 84 HRF (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Rockwell 30T Hardness: 50 HR30T (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Shear Strength: 179.3 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Fatigue Strength: 89.6 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 in; 10^8 cycles endurance limitCopper Development Association (CDA) — H02	0.04	—	—	—	179.3 MPa	89.6 MPa	40 HRB84 HRF50 HR30T	VERIFIED
Flat Products	1/4 Hard (H01) · 20 °C Source values and qualifiers Tensile Strength: 262 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 206.8 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 25 % (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — H01	0.04	262 MPa	206.8 MPa	25 %	—	—	—	VERIFIED
Flat Products	1/4 Hard (H01) Source values and qualifiers Rockwell B Hardness: 25 HRB (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Rockwell F Hardness: 70 HRF (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Rockwell 30T Hardness: 36 HR30T (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Shear Strength: 172.4 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — H01	0.04	—	—	—	172.4 MPa	—	25 HRB70 HRF36 HR30T	VERIFIED
Flat Products	1/4 Hard (H01) · 20 °C Source values and qualifiers Tensile Strength: 262 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 206.8 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 35 % (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — H01	0.25	262 MPa	206.8 MPa	35 %	—	—	—	VERIFIED
Flat Products	1/4 Hard (H01) Source values and qualifiers Rockwell B Hardness: 25 HRB (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — Rockwell F Hardness: 70 HRF (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — Shear Strength: 172.4 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — H01	0.25	—	—	—	172.4 MPa	—	25 HRB70 HRF	VERIFIED
Flat Products	1/8 Hard (H00) · 20 °C Source values and qualifiers Tensile Strength: 248.2 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 193.1 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 40 % (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — H00	0.25	248.2 MPa	193.1 MPa	40 %	—	—	—	VERIFIED
Flat Products	1/8 Hard (H00) Source values and qualifiers Rockwell B Hardness: 10 HRB (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — Rockwell F Hardness: 60 HRF (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — Shear Strength: 172.4 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — H00	0.25	—	—	—	172.4 MPa	—	10 HRB60 HRF	VERIFIED
Flat Products	1/8 Hard (H00) · 20 °C Source values and qualifiers Tensile Strength: 248.2 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 193.1 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 30 % (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — H00	0.04	248.2 MPa	193.1 MPa	30 %	—	—	—	VERIFIED
Flat Products	1/8 Hard (H00) Source values and qualifiers Rockwell B Hardness: 10 HRB (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Rockwell F Hardness: 60 HRF (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Rockwell 30T Hardness: 25 HR30T (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Shear Strength: 172.4 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — H00	0.04	—	—	—	172.4 MPa	—	10 HRB60 HRF25 HR30T	VERIFIED
Flat Products	As Hot Rolled (M20) · 20 °C Source values and qualifiers Tensile Strength: 234.4 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 68.9 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 45 % (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — M20	0.04	234.4 MPa	68.9 MPa	45 %	—	—	—	VERIFIED
Flat Products	As Hot Rolled (M20) Source values and qualifiers Rockwell F Hardness: 45 HRF (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Shear Strength: 158.6 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — M20	0.04	—	—	—	158.6 MPa	—	45 HRF	VERIFIED
Flat Products	As Hot Rolled (M20) · 20 °C Source values and qualifiers Tensile Strength: 220.6 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 68.9 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 50 % (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — M20	0.25	220.6 MPa	68.9 MPa	50 %	—	—	—	VERIFIED
Flat Products	As Hot Rolled (M20) Source values and qualifiers Rockwell F Hardness: 40 HRF (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — Shear Strength: 151.7 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — M20	0.25	—	—	—	151.7 MPa	—	40 HRF	VERIFIED
Flat Products	Extra Spring (H10) · 20 °C Source values and qualifiers Tensile Strength: 393 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 365.4 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 4 % (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — H10	0.04	393 MPa	365.4 MPa	4 %	—	—	—	VERIFIED
Flat Products	Extra Spring (H10) Source values and qualifiers Rockwell B Hardness: 62 HRB (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Rockwell F Hardness: 95 HRF (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Rockwell 30T Hardness: 64 HR30T (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Shear Strength: 199.9 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — H10	0.04	—	—	—	199.9 MPa	—	62 HRB95 HRF64 HR30T	VERIFIED
Flat Products	Hard (H04) · 20 °C Source values and qualifiers Tensile Strength: 344.7 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 310.3 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 12 % (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — H04	0.25	344.7 MPa	310.3 MPa	12 %	—	—	—	VERIFIED
Flat Products	Hard (H04) Source values and qualifiers Rockwell B Hardness: 50 HRB (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — Rockwell F Hardness: 90 HRF (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — Shear Strength: 193.1 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — H04	0.25	—	—	—	193.1 MPa	—	50 HRB90 HRF	VERIFIED
Flat Products	Hard (H04) · 20 °C Source values and qualifiers Tensile Strength: 344.7 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 310.3 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 6 % (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — H04	0.04	344.7 MPa	310.3 MPa	6 %	—	—	—	VERIFIED
Flat Products	Hard (H04) Source values and qualifiers Rockwell B Hardness: 50 HRB (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Rockwell F Hardness: 90 HRF (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Rockwell 30T Hardness: 57 HR30T (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Shear Strength: 193.1 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Fatigue Strength: 89.6 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 in; 10^8 cycles endurance limitCopper Development Association (CDA) — H04	0.04	—	—	—	193.1 MPa	89.6 MPa	50 HRB90 HRF57 HR30T	VERIFIED
Flat Products	Hard (H04) · 20 °C Source values and qualifiers Tensile Strength: 310.3 MPa (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 275.8 MPa (TYPICAL)Section Size: 1; Section Size: 1 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 20 % (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — H04	1	310.3 MPa	275.8 MPa	20 %	—	—	—	VERIFIED
Flat Products	Hard (H04) Source values and qualifiers Rockwell B Hardness: 45 HRB (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — Rockwell F Hardness: 85 HRF (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — Shear Strength: 179.3 MPa (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — H04	1	—	—	—	179.3 MPa	—	45 HRB85 HRF	VERIFIED
Flat Products	Nominal Grain Size 0.025 mm (OS025) · 20 °C Source values and qualifiers Tensile Strength: 234.4 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 75.8 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 45 % (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — OS025	0.04	234.4 MPa	75.8 MPa	45 %	—	—	—	VERIFIED
Flat Products	Nominal Grain Size 0.025 mm (OS025) Source values and qualifiers Rockwell F Hardness: 45 HRF (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Shear Strength: 158.6 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Fatigue Strength: 75.8 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 in; 10^8 cycles endurance limitCopper Development Association (CDA) — OS025	0.04	—	—	—	158.6 MPa	75.8 MPa	45 HRF	VERIFIED
Flat Products	Nominal Grain Size 0.050 mm (OS050) · 20 °C Source values and qualifiers Tensile Strength: 220.6 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 68.9 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 45 % (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — OS050	0.04	220.6 MPa	68.9 MPa	45 %	—	—	—	VERIFIED
Flat Products	Nominal Grain Size 0.050 mm (OS050) Source values and qualifiers Rockwell F Hardness: 40 HRF (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Shear Strength: 151.7 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — OS050	0.04	—	—	—	151.7 MPa	—	40 HRF	VERIFIED
Flat Products	Nominal Grain Size 0.050 mm (OS050) · 20 °C Source values and qualifiers Tensile Strength: 220.6 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 68.9 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 50 % (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — OS050	0.25	220.6 MPa	68.9 MPa	50 %	—	—	—	VERIFIED
Flat Products	Nominal Grain Size 0.050 mm (OS050) Source values and qualifiers Rockwell F Hardness: 40 HRF (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — Shear Strength: 151.7 MPa (TYPICAL)Section Size: 0.25; Section Size: 0.25 inCopper Development Association (CDA) — OS050	0.25	—	—	—	151.7 MPa	—	40 HRF	VERIFIED
Flat Products	Spring (H08) · 20 °C Source values and qualifiers Tensile Strength: 379.2 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 344.7 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 4 % (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — H08	0.04	379.2 MPa	344.7 MPa	4 %	—	—	—	VERIFIED
Flat Products	Spring (H08) Source values and qualifiers Rockwell B Hardness: 60 HRB (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Rockwell F Hardness: 94 HRF (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Rockwell 30T Hardness: 63 HR30T (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Shear Strength: 199.9 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 inCopper Development Association (CDA) — Fatigue Strength: 96.5 MPa (TYPICAL)Section Size: 0.04; Section Size: 0.04 in; 10^8 cycles endurance limitCopper Development Association (CDA) — H08	0.04	—	—	—	199.9 MPa	96.5 MPa	60 HRB94 HRF63 HR30T	VERIFIED
Rod	As Hot Rolled (M20) · 20 °C Source values and qualifiers Tensile Strength: 220.6 MPa (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 68.9 MPa (TYPICAL)Section Size: 1; Section Size: 1 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 55 % (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — M20	1	220.6 MPa	68.9 MPa	55 %	—	—	—	VERIFIED
Rod	As Hot Rolled (M20) Source values and qualifiers Rockwell F Hardness: 40 HRF (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — Shear Strength: 151.7 MPa (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — M20	1	—	—	—	151.7 MPa	—	40 HRF	VERIFIED
Rod	Hard (H04) · 20 °C Source values and qualifiers Tensile Strength: 379.2 MPa (TYPICAL)Section Size: 0.25; Cold Work: 40%; Section Size: 0.25 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 344.7 MPa (TYPICAL)Section Size: 0.25; Cold Work: 40%; Section Size: 0.25 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 10 % (TYPICAL)Section Size: 0.25; Cold Work: 40%; Section Size: 0.25 inCopper Development Association (CDA) — H04	0.25	379.2 MPa	344.7 MPa	10 %	—	—	—	VERIFIED
Rod	Hard (H04) Source values and qualifiers Rockwell B Hardness: 60 HRB (TYPICAL)Section Size: 0.25; Cold Work: 40%; Section Size: 0.25 inCopper Development Association (CDA) — Rockwell F Hardness: 94 HRF (TYPICAL)Section Size: 0.25; Cold Work: 40%; Section Size: 0.25 inCopper Development Association (CDA) — Shear Strength: 199.9 MPa (TYPICAL)Section Size: 0.25; Cold Work: 40%; Section Size: 0.25 inCopper Development Association (CDA) — H04	0.25	—	—	—	199.9 MPa	—	60 HRB94 HRF	VERIFIED
Rod	Hard (H04) · 20 °C Source values and qualifiers Tensile Strength: 330.9 MPa (TYPICAL)Section Size: 1; Cold Work: 35%; Section Size: 1 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 303.4 MPa (TYPICAL)Section Size: 1; Cold Work: 35%; Section Size: 1 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 16 % (TYPICAL)Section Size: 1; Cold Work: 35%; Section Size: 1 inCopper Development Association (CDA) — H04	1	330.9 MPa	303.4 MPa	16 %	—	—	—	VERIFIED
Rod	Hard (H04) Source values and qualifiers Rockwell B Hardness: 47 HRB (TYPICAL)Section Size: 1; Cold Work: 35%; Section Size: 1 inCopper Development Association (CDA) — Rockwell F Hardness: 87 HRF (TYPICAL)Section Size: 1; Cold Work: 35%; Section Size: 1 inCopper Development Association (CDA) — Shear Strength: 186.2 MPa (TYPICAL)Section Size: 1; Cold Work: 35%; Section Size: 1 inCopper Development Association (CDA) — Fatigue Strength: 117.2 MPa (TYPICAL)Section Size: 1; Cold Work: 35%; Section Size: 1 in; 10^8 cycles endurance limitCopper Development Association (CDA) — H04	1	—	—	—	186.2 MPa	117.2 MPa	47 HRB87 HRF	VERIFIED
Rod	Hard (H04) · 20 °C Source values and qualifiers Tensile Strength: 310.3 MPa (TYPICAL)Section Size: 2; Cold Work: 16%; Section Size: 2 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 275.8 MPa (TYPICAL)Section Size: 2; Cold Work: 16%; Section Size: 2 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 20 % (TYPICAL)Section Size: 2; Cold Work: 16%; Section Size: 2 inCopper Development Association (CDA) — H04	2	310.3 MPa	275.8 MPa	20 %	—	—	—	VERIFIED
Rod	Hard (H04) Source values and qualifiers Rockwell B Hardness: 45 HRB (TYPICAL)Section Size: 2; Cold Work: 16%; Section Size: 2 inCopper Development Association (CDA) — Rockwell F Hardness: 85 HRF (TYPICAL)Section Size: 2; Cold Work: 16%; Section Size: 2 inCopper Development Association (CDA) — Shear Strength: 179.3 MPa (TYPICAL)Section Size: 2; Cold Work: 16%; Section Size: 2 inCopper Development Association (CDA) — H04	2	—	—	—	179.3 MPa	—	45 HRB85 HRF	VERIFIED
Rod	Nominal Grain Size 0.050 mm (OS050) · 20 °C Source values and qualifiers Tensile Strength: 220.6 MPa (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 68.9 MPa (TYPICAL)Section Size: 1; Section Size: 1 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 55 % (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — OS050	1	220.6 MPa	68.9 MPa	55 %	—	—	—	VERIFIED
Rod	Nominal Grain Size 0.050 mm (OS050) Source values and qualifiers Rockwell F Hardness: 40 HRF (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — Shear Strength: 151.7 MPa (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) — OS050	1	—	—	—	151.7 MPa	—	40 HRF	VERIFIED
Shapes	As Hot Extruded (M30) · 20 °C Source values and qualifiers Tensile Strength: 220.6 MPa (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 68.9 MPa (TYPICAL)Section Size: 0.5; Section Size: 0.5 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 50 % (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) — M30	0.5	220.6 MPa	68.9 MPa	50 %	—	—	—	VERIFIED
Shapes	As Hot Extruded (M30) Source values and qualifiers Rockwell F Hardness: 40 HRF (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) — Shear Strength: 151.7 MPa (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) — M30	0.5	—	—	—	151.7 MPa	—	40 HRF	VERIFIED
Shapes	As Hot Rolled (M20) · 20 °C Source values and qualifiers Tensile Strength: 220.6 MPa (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 68.9 MPa (TYPICAL)Section Size: 0.5; Section Size: 0.5 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 50 % (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) — M20	0.5	220.6 MPa	68.9 MPa	50 %	—	—	—	VERIFIED
Shapes	As Hot Rolled (M20) Source values and qualifiers Rockwell F Hardness: 40 HRF (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) — Shear Strength: 151.7 MPa (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) — M20	0.5	—	—	—	151.7 MPa	—	40 HRF	VERIFIED
Shapes	Hard (H04) · 20 °C Source values and qualifiers Tensile Strength: 275.8 MPa (TYPICAL)Section Size: 0.5; Cold Work: 15%; Section Size: 0.5 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 220.6 MPa (TYPICAL)Section Size: 0.5; Cold Work: 15%; Section Size: 0.5 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 30 % (TYPICAL)Section Size: 0.5; Cold Work: 15%; Section Size: 0.5 inCopper Development Association (CDA) — H04	0.5	275.8 MPa	220.6 MPa	30 %	—	—	—	VERIFIED
Shapes	Hard (H04) Source values and qualifiers Rockwell B Hardness: 35 HRB (TYPICAL)Section Size: 0.5; Cold Work: 15%; Section Size: 0.5 inCopper Development Association (CDA) — Shear Strength: 179.3 MPa (TYPICAL)Section Size: 0.5; Cold Work: 15%; Section Size: 0.5 inCopper Development Association (CDA) — H04	0.5	—	—	—	179.3 MPa	—	35 HRB	VERIFIED
Shapes	Nominal Grain Size 0.050 mm (OS050) · 20 °C Source values and qualifiers Tensile Strength: 220.6 MPa (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 68.9 MPa (TYPICAL)Section Size: 0.5; Section Size: 0.5 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 50 % (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) — OS050	0.5	220.6 MPa	68.9 MPa	50 %	—	—	—	VERIFIED
Shapes	Nominal Grain Size 0.050 mm (OS050) Source values and qualifiers Rockwell F Hardness: 40 HRF (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) — Shear Strength: 151.7 MPa (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) — OS050	0.5	—	—	—	151.7 MPa	—	40 HRF	VERIFIED
Tube	Hard Drawn (H80) · 20 °C Source values and qualifiers Tensile Strength: 379.2 MPa (TYPICAL)Section Size: 0.065; Cold Work: 40%; Section Size: 0.065 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 344.7 MPa (TYPICAL)Section Size: 0.065; Cold Work: 40%; Section Size: 0.065 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 8 % (TYPICAL)Section Size: 0.065; Cold Work: 40%; Section Size: 0.065 inCopper Development Association (CDA) — H80	0.065	379.2 MPa	344.7 MPa	8 %	—	—	—	VERIFIED
Tube	Hard Drawn (H80) Source values and qualifiers Rockwell B Hardness: 60 HRB (TYPICAL)Section Size: 0.065; Cold Work: 40%; Section Size: 0.065 inCopper Development Association (CDA) — Rockwell F Hardness: 95 HRF (TYPICAL)Section Size: 0.065; Cold Work: 40%; Section Size: 0.065 inCopper Development Association (CDA) — Rockwell 30T Hardness: 63 HR30T (TYPICAL)Section Size: 0.065; Cold Work: 40%; Section Size: 0.065 inCopper Development Association (CDA) — Shear Strength: 199.9 MPa (TYPICAL)Section Size: 0.065; Cold Work: 40%; Section Size: 0.065 inCopper Development Association (CDA) — H80	0.065	—	—	—	199.9 MPa	—	60 HRB95 HRF63 HR30T	VERIFIED
Tube	Light Drawn, Light Cold Rolled (H55) · 20 °C Source values and qualifiers Tensile Strength: 275.8 MPa (TYPICAL)Section Size: 0.065; Cold Work: 15%; Section Size: 0.065 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 220.6 MPa (TYPICAL)Section Size: 0.065; Cold Work: 15%; Section Size: 0.065 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 25 % (TYPICAL)Section Size: 0.065; Cold Work: 15%; Section Size: 0.065 inCopper Development Association (CDA) — H55	0.065	275.8 MPa	220.6 MPa	25 %	—	—	—	VERIFIED
Tube	Light Drawn, Light Cold Rolled (H55) Source values and qualifiers Rockwell B Hardness: 35 HRB (TYPICAL)Section Size: 0.065; Cold Work: 15%; Section Size: 0.065 inCopper Development Association (CDA) — Rockwell F Hardness: 77 HRF (TYPICAL)Section Size: 0.065; Cold Work: 15%; Section Size: 0.065 inCopper Development Association (CDA) — Rockwell 30T Hardness: 45 HR30T (TYPICAL)Section Size: 0.065; Cold Work: 15%; Section Size: 0.065 inCopper Development Association (CDA) — Shear Strength: 179.3 MPa (TYPICAL)Section Size: 0.065; Cold Work: 15%; Section Size: 0.065 inCopper Development Association (CDA) — H55	0.065	—	—	—	179.3 MPa	—	35 HRB77 HRF45 HR30T	VERIFIED
Tube	Nominal Grain Size 0.025 mm (OS025) · 20 °C Source values and qualifiers Tensile Strength: 234.4 MPa (TYPICAL)Section Size: 0.065; Section Size: 0.065 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 75.8 MPa (TYPICAL)Section Size: 0.065; Section Size: 0.065 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 45 % (TYPICAL)Section Size: 0.065; Section Size: 0.065 inCopper Development Association (CDA) — OS025	0.065	234.4 MPa	75.8 MPa	45 %	—	—	—	VERIFIED
Tube	Nominal Grain Size 0.025 mm (OS025) Source values and qualifiers Rockwell F Hardness: 45 HRF (TYPICAL)Section Size: 0.065; Section Size: 0.065 inCopper Development Association (CDA) — Shear Strength: 158.6 MPa (TYPICAL)Section Size: 0.065; Section Size: 0.065 inCopper Development Association (CDA) — OS025	0.065	—	—	—	158.6 MPa	—	45 HRF	VERIFIED
Tube	Nominal Grain Size 0.050 mm (OS050) · 20 °C Source values and qualifiers Tensile Strength: 220.6 MPa (TYPICAL)Section Size: 0.065; Section Size: 0.065 inCopper Development Association (CDA) — Yield Strength (0.5% Ext): 68.9 MPa (TYPICAL)Section Size: 0.065; Section Size: 0.065 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) — Elongation: 45 % (TYPICAL)Section Size: 0.065; Section Size: 0.065 inCopper Development Association (CDA) — OS050	0.065	220.6 MPa	68.9 MPa	45 %	—	—	—	VERIFIED
Tube	Nominal Grain Size 0.050 mm (OS050) Source values and qualifiers Rockwell F Hardness: 40 HRF (TYPICAL)Section Size: 0.065; Section Size: 0.065 inCopper Development Association (CDA) — Shear Strength: 151.7 MPa (TYPICAL)Section Size: 0.065; Section Size: 0.065 inCopper Development Association (CDA) — OS050	0.065	—	—	—	151.7 MPa	—	40 HRF	VERIFIED
Wire	Hard (H04) · 20 °C Source values and qualifiers Tensile Strength: 379.2 MPa (TYPICAL)Section Size: 0.08; Section Size: 0.08 inCopper Development Association (CDA) — Elongation: 1.5 % (TYPICAL)Section Size: 0.08; Section Size: 0.08 inCopper Development Association (CDA) — H04	0.08	379.2 MPa	—	1.5 %	—	—	—	VERIFIED
Wire	Hard (H04) Source values and qualifiers Shear Strength: 199.9 MPa (TYPICAL)Section Size: 0.08; Section Size: 0.08 inCopper Development Association (CDA) — H04	0.08	—	—	—	199.9 MPa	—	—	VERIFIED
Wire	Nominal Grain Size 0.050 mm (OS050) · 20 °C Source values and qualifiers Tensile Strength: 241.3 MPa (TYPICAL)Section Size: 0.08; Section Size: 0.08 inCopper Development Association (CDA) — Elongation: 35 % (TYPICAL)Section Size: 0.08; Section Size: 0.08 inCopper Development Association (CDA) — OS050	0.08	241.3 MPa	—	35 %	—	—	—	VERIFIED
Wire	Nominal Grain Size 0.050 mm (OS050) Source values and qualifiers Shear Strength: 165.5 MPa (TYPICAL)Section Size: 0.08; Section Size: 0.08 inCopper Development Association (CDA) — OS050	0.08	—	—	—	165.5 MPa	—	—	VERIFIED
Wire	Spring (H08) · 20 °C Source values and qualifiers Tensile Strength: 455.1 MPa (TYPICAL)Section Size: 0.08; Section Size: 0.08 inCopper Development Association (CDA) — Elongation: 1.5 % (TYPICAL)Section Size: 0.08; Section Size: 0.08 inCopper Development Association (CDA) — H08	0.08	455.1 MPa	—	1.5 %	—	—	—	VERIFIED
Wire	Spring (H08) Source values and qualifiers Shear Strength: 227.5 MPa (TYPICAL)Section Size: 0.08; Section Size: 0.08 inCopper Development Association (CDA) — H08	0.08	—	—	—	227.5 MPa	—	—	VERIFIED

Hardness Integrity Notice: Rockwell B (HRB), Rockwell F (HRF), and Superficial 30T (HR30T) scales are reported on their measured scales without cross-scale mathematical conversion.

Source: See fact-level citations

Processing & Fabrication Characteristics

Machining, joining, forming, and thermal processing ratings cataloged from the cited authoritative technical reference.

Source: Copper Development Association (CDA)

Machinability

Machinability rating: 20% relative to free-cutting brass (C36000 = 100%). Forgeability rating: 65.

Weldability & Joining

Soldering: Excellent; Brazing: Excellent; Oxyacetylene Welding: Fair; Gas Shielded Arc Welding: Good; Coated Metal Arc Welding: Not Recommended; Spot Weld: Not Recommended; Seam Weld: Not Recommended; Butt Weld: Good

Heat Treatment & Working Ranges

Annealing temperature range: 371.1°C to 648.9°C (700°F - 1200°F). Hot working temperature range: 760.0°C to 871.1°C (1400°F - 1600°F).

Forming & Cold Working

Capacity for Being Cold Worked: Excellent. Capacity for Being Hot Formed: Excellent.

Comparable Grades & Cross-References

Carefully classified cross-reference relationships for C10200 Oxygen-Free (OF) Copper. Comparable does not mean equivalent.

Related Material	Family	Relationship Classification	Metallurgical Notes & Differences	Status	Action
C10100 Oxygen-Free Electronic (OFE) Copper	Copper Alloys	Close Equivalent	C10200 offers 100% IACS conductivity and hydrogen embrittlement resistance at lower commercial cost than 99.99% C10100 OFE.Direct commercial substitution is generally permissible subject to certified Mill Test Report (MTR) confirmation for critical applications.	VERIFIED	Side-by-Side Compare →
C10300 Oxygen-Free Extra Low Phosphorus (OFXLP) Copper	Copper Alloys	Close Equivalent	Both alloys are oxygen-free coppers (>99.95% Cu); C10300 has 10-50 ppm phosphorus added for deoxidation while retaining 99% IACS conductivity.Direct commercial substitution is generally permissible subject to certified Mill Test Report (MTR) confirmation for critical applications.	VERIFIED	Side-by-Side Compare →
C11000 ETP Copper	Copper Alloys	Nearest Alternative	C10200 provides 100% IACS conductivity without the dissolved cuprous oxide present in C11000, eliminating hydrogen embrittlement risk during torch brazing.Design parameters (weldability, hardenability, fatigue limit) must be re-evaluated for the specific application.	VERIFIED	Side-by-Side Compare →

Sources & Provenance Trail

Reference publications and standards organization registers cited across this material record.

Copper Development Association Inc.CDA Alloy C10200 Property & Specification Profile

AUTHORITATIVE BODY

Copper Development Association authoritative technical reference profile for C10200 Oxygen-Free (OF) Copper.

Issuing Body: Copper Development Association (CDA)View Source Record ↗

Copper Development Association Inc.CDA UNS Standard Designations Register (C10200)

AUTHORITATIVE BODY

Unified Numbering System (UNS) designation registration register confirming active C10200 status.

Issuing Body: Copper Development Association (CDA)View Source Record ↗

Intellectual Property & Provenance Notice: Mat Grades cites technical literature from recognized industry associations and standards organizations. Underlying technical standards and publication data remain the intellectual property of their respective issuing organizations.