Curated Engineering Evaluation

Intent: Selection between low-phosphorus (DLP) and high-phosphorus (DHP) deoxidized coppers for thermal transfer, brazing, and cold forming.

Material Comparison Engine

Compare verified materials with source-specific conditions, units, and property limits.

Material A (Baseline)

Heat Treatment / Temper Context:

Material B (Comparison)

Heat Treatment / Temper Context:

Temper & Metallurgical Context Qualification:The selected records contain different or missing source contexts. Values shown in separate rows are not directly matched. Typical and estimated values are not guaranteed minima; matching context alone does not establish interchangeability.

1. Identity, Classification & Standards

Parameter	C12000 DLP Copper	C12200 DHP Copper
Material Family	Copper Alloys	Copper Alloys
Subfamily	Deoxidized Copper	Deoxidized Copper
UNS Designation	C12000	C12200
COMMERCIAL Designation	Deoxidized Low Phosphorus Copper	Deoxidized High Phosphorus Copper
CDA Designation	Alloy 120	Alloy 122
SPECIFICATION Designation	ASTM B224	ASTM B224

2. Chemical Composition Limits (wt %)Source-specific limits and typical values

Element	C12000 DLP Copper	C12200 DHP Copper
Cu (Copper)	≥ 99.9%	≥ 99.9%
P (Phosphorus)	0.004 – 0.012%	0.015 – 0.04%

3. Physical Properties

Property	C12000 DLP Copper	C12200 DHP Copper
Density · TYPICAL · 20 °CUnit: g/cm³	8.941 g/cm³	8.941 g/cm³

4. Contextual Mechanical PropertiesUnit: SI

Mechanical Parameter	C12000 DLP Copper1/2 Hard (H02)	C12200 DHP Copper1/2 Hard (H02)
Modulus of Elasticity (Tension) · TYPICALUnit: GPa	117.2 GPa	117.2 GPa
Modulus of Rigidity · TYPICALUnit: MPa	44126.4 MPa	44126.4 MPa
Machinability Rating · TYPICALUnit: %	20 %	20 %
Forgeability Rating · TYPICALUnit: —	65 —	65 —
Tensile Strength · Flat Products · 0.04 · 1/2 Hard (H02) · TYPICAL · 20 °CUnit: MPa	289.6 MPa	289.6 MPa
Yield Strength (0.5% Ext) · Flat Products · 0.04 · 1/2 Hard (H02) · TYPICAL · 20 °CUnit: MPa	248.2 MPa	— MPa
Elongation · Flat Products · 0.04 · 1/2 Hard (H02) · TYPICAL · 20 °CUnit: %	14 %	14 %
Shear Strength · Flat Products · 0.04 · 1/2 Hard (H02) · TYPICALUnit: MPa	179.3 MPa	179.3 MPa
Fatigue Strength · Flat Products · 0.04 · 1/2 Hard (H02) · TYPICALUnit: MPa	89.6 MPa	89.6 MPa

5. Electrical & Thermal Conductive Properties

Property	C12000 DLP Copper	C12200 DHP Copper
Electrical Conductivity · TYPICAL · 20 °CCategory: ELECTRICAL • Unit: % IACS	98 % IACS	85 % IACS
Liquidus Temperature · TYPICALCategory: THERMAL • Unit: °C	1082.8 °C	1082.8 °C
Solidus Temperature · TYPICALCategory: THERMAL • Unit: °C	1082.8 °C	— °C
Thermal Conductivity · TYPICAL · 20 °CCategory: THERMAL • Unit: W/(m·K)	385.95 W/(m·K)	339.22 W/(m·K)
Coefficient of Thermal Expansion (CTE) · TYPICALCategory: THERMAL • Unit: µm/(m·K)	16.92 µm/(m·K)	16.92 µm/(m·K)
Coefficient of Thermal Expansion (CTE) · TYPICALCategory: THERMAL • Unit: µm/(m·K)	17.28 µm/(m·K)	17.1 µm/(m·K)
Coefficient of Thermal Expansion (CTE) · TYPICALCategory: THERMAL • Unit: µm/(m·K)	17.64 µm/(m·K)	17.64 µm/(m·K)
Specific Heat Capacity · TYPICAL · 20 °CCategory: THERMAL • Unit: J/(kg·K)	385.2 J/(kg·K)	385.2 J/(kg·K)
Annealing Temperature Range · RANGECategory: THERMAL • Unit: °C	371.1–648.9 °C	398.9–648.9 °C
Hot Working Temperature Range · RANGECategory: THERMAL • Unit: °C	760–871.1 °C	— °C

6. Hardness Evaluation (Discrete Scales Preserved)No cross-scale mathematical conversion

Hardness Scale	C12000 DLP Copper	C12200 DHP Copper
Rockwell B Hardness · Flat Products · 0.04 · 1/2 Hard (H02) · TYPICAL	40 HRB	40 HRB
Rockwell F Hardness · Flat Products · 0.04 · 1/2 Hard (H02) · TYPICAL	84 HRF	84 HRF
Rockwell 30T Hardness · Flat Products · 0.04 · 1/2 Hard (H02) · TYPICAL	50 HR30T	50 HR30T

7. Fabrication & Processing Comparison

C12000 DLP Copper Characteristics:

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

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

Formability / Cold Working: Capacity for Being Cold Worked: Excellent. Capacity for Being Hot Formed: Excellent.

Heat Treatment & Annealing: 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).

C12200 DHP Copper Characteristics:

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

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

Formability / Cold Working: Capacity for Being Cold Worked: Excellent. Capacity for Being Hot Formed: Excellent.

Heat Treatment & Annealing: Annealing temperature range: 398.9°C to 648.9°C (750°F - 1200°F).

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