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Copper Alloys•Aluminum Bronze•
VERIFIED

C61400 Aluminum Bronze D

Primary Designation:UNS C61400
Aliases:
Aluminum Bronze DAlloy DC61400

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.

Data Completeness & Record Integrity:7 composition elements and 82 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
7.889 g/cm³TYPICAL · at 20 °C
Electrical Conductivity
14 % IACSTYPICAL · at 20 °C
Thermal Conductivity
67.5 W/(m·K)TYPICAL · at 20 °C
Specific Heat Capacity
376.8 J/(kg·K)TYPICAL · at 20 °C
Melting Range (Solidus / Liquidus)
1040.6 – 1046.1 °C1905.0 – 1915.0 °F
Solidus: 1040.6°C | Liquidus: 1046.1°C
Composition Excerpt
Cu BALANCE wt%Copper (balance)
Standard Elemental Basis: BALANCE

Engineering Summary

UNS C61400 Aluminum Bronze D (6.0-8.0% Al, 1.5-3.5% Fe, Cu Remainder) is a single-phase alpha aluminum bronze with iron addition for grain refinement. It exhibits outstanding resistance to non-oxidizing mineral acids, brine, and cavitation fatigue, with excellent weldability under ASME Boiler and Pressure Vessel codes.

Documented Product Applications (Cited CDA Reference Profile)

  • ›Blending Chambers: Mechanical Properties
  • ›Blending Chambers: Non-Sparking
  • ›Bolts: Corrosion Resistance
  • ›Bolts: Mechanical Properties
  • ›Chutes for Abrasive Grains: Friction & Wear Properties
  • ›Chutes for Abrasive Grains: Mechanical Properties
  • ›Condenser Head Plates: Corrosion Resistance
  • ›Condenser Head Plates: Mechanical Properties
  • ›Condenser Tube and Piping Systems: Corrosion Resistance
  • ›Condenser Tube and Piping Systems: Mechanical Properties
  • ›Condenser Tube and Piping Systems: Welding Characteristics
  • ›Corrosion Resistant Vessels: Corrosion Resistance

Recognized Aliases

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

Aluminum Bronze DAlloy DC61400

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
SystemIdentifierStandard System NameClassification Notes & Provenance
UNSPRIMARYC61400Unified Numbering SystemUnified Numbering System standard designation for copper alloys (CDA / SAE / ASTM)Ref: CDA UNS Standard Designations Register (C61400)
CDAAlloy 614Copper Development Association Alloy NumberCDA three-digit legacy designationRef: CDA UNS Standard Designations Register (C61400)
Recognized Commercial Aliases & Trade NamesCOMMON ALIAS
3 Listed
Recognized Name / AliasClassificationTechnical Usage & Context
Aluminum Bronze DStandard Commercial NameCDA Standard Commercial Name
Alloy DCommercial AliasColloquial or commercial industry synonym
C61400Commercial AliasColloquial or commercial industry synonym
Applicable Specifications & Product Form ReferencesSPECIFICATION REFERENCE
12 Applicable Standards
Standards BodySpecification CodeSpecification Title / ScopeRelationship Type
FEDERALFEDERAL QQ-C-450COPPER-ALUMINUM ALLOY (ALUMINUM BRONZE, PLATE, SHEET, STRIP, AND BAR)Specification Reference
SAESAE J463WROUGHT COPPER AND COPPER ALLOYSSpecification Reference
SAESAE J461WROUGHT AND CAST COPPER ALLOYSSpecification Reference
ASTMASTM F468NONFERROUS BOLTS, HEX CAP SCREWS, AND STUDS FOR GENERAL USESpecification Reference
ASTMASTM F467NONFERROUS NUTS FOR GENERAL USESpecification Reference
ASTMASTM B608WELDED COPPER ALLOY PIPESpecification Reference
ASTMASTM B100ROLLED COPPER ALLOY BEARING AND EXPANSION PLATES AND SHEETS FOR BRIDGE AND OTHER STRUCTURAL USESSpecification Reference
ASTMASTM B432COPPER AND COPPER ALLOY CLAD STEEL PLATESpecification Reference
ASTMASTM B171/B171MCOPPER ALLOY CONDENSER TUBE PLATESSpecification Reference
ASMEASME SB171COPPER ALLOY CONDENSER TUBE PLATESSpecification Reference
ASTMASTM B150/B150MALUMINUM BRONZE ROD, BAR AND SHAPESSpecification Reference
ASMEASME SB150ALUMINUM BRONZE ROD, BAR, AND SHAPESSpecification 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).

ElementSymbolAtomic No.Semantic BasisSpecified ValueUnitMetallurgical Notes & QualificationData Status
CopperCu29BALANCEBalancewt%Remainder element (Copper).Ref: Copper Development Association (CDA)VERIFIED
LeadPb82MAXIMUM≤ 0.01wt%CDA chemical composition specification limits for C61400: max 0.01 wt%.Ref: Copper Development Association (CDA)VERIFIED
ZincZn30MAXIMUM≤ 0.20wt%CDA chemical composition specification limits for C61400: max 0.2 wt%.Ref: Copper Development Association (CDA)VERIFIED
IronFe26RANGE1.50 – 3.50wt%CDA chemical composition specification limits for C61400: 1.5 - 3.5 wt%.Ref: Copper Development Association (CDA)VERIFIED
PhosphorusP15MAXIMUM≤ 0.01wt%CDA chemical composition specification limits for C61400: max 0.015 wt%.Ref: Copper Development Association (CDA)VERIFIED
AluminumAl13RANGE6.00 – 8.00wt%CDA chemical composition specification limits for C61400: 6.0 - 8.0 wt%.Ref: Copper Development Association (CDA)VERIFIED
ManganeseMn25MAXIMUM≤ 1.00wt%CDA chemical composition specification limits for C61400: max 1.0 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 ParameterCanonical SI ValueSemantic BasisTest Temperature / Context RangeSource Raw ReferenceSource ReferenceStatus
Density7.889 g/cm³TYPICALTest Temp: 20 °CCDA Physical Properties: Density 0.285 lb/cu in. at 68°F (7.889 g/cm³ at 20°C)0.285 lb/cu in. at 68°FCopper 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.

7 Parameters
Property ParameterCanonical SI ValueSemantic BasisTest Temperature / Context RangeSource Raw ReferenceSource ReferenceStatus
Liquidus Temperature1046.1 °CTYPICALCDA Physical Properties: Liquidus temperature 1915.0 °F (1046.1 °C)1915.0 °FCopper Development Association Inc.VERIFIED
Solidus Temperature1040.6 °CTYPICALCDA Physical Properties: Solidus temperature 1905.0 °F (1040.6 °C)1905.0 °FCopper Development Association Inc.VERIFIED
Thermal Conductivity67.5 W/(m·K)TYPICALTest Temp: 20 °CCDA Physical Properties: Thermal conductivity 39.0 Btu/(ft·hr·°F) (67.5 W/(m·K) at 20°C)39.0 Btu/ sq ft/ ft hr/ °F at 68°FCopper Development Association Inc.VERIFIED
Coefficient of Thermal Expansion (CTE)16.2 µm/(m·K)TYPICALCDA Physical Properties: CTE 9.0 µin/(in·°F) (16.2 µm/(m·K)) over range 68-57210°F9.0 10^-6 per °FCopper Development Association Inc.VERIFIED
Specific Heat Capacity376.8 J/(kg·K)TYPICALTest Temp: 20 °CCDA Physical Properties: Specific heat 0.09 Btu/(lb·°F) (376.8 J/(kg·K))0.09 Btu/ lb /°F at 68°FCopper Development Association Inc.VERIFIED
Annealing Temperature Range607.2 – 898.9 °CRANGECDA Thermal Treatments: Annealing temperature range 1125 - 1650°F (607.2 - 898.9°C)1125 – 1650 °FCopper Development Association Inc.VERIFIED
Hot Working Temperature Range787.8 – 926.7 °CRANGECDA Thermal Treatments: Hot working range 1450 - 1700°F (787.8 - 926.7°C)1450 – 1700 °FCopper Development Association Inc.VERIFIED

Electrical Properties

Electrical conductivity and resistivity in their reported units and conditions.

1 Parameters
Property ParameterCanonical SI ValueSemantic BasisTest Temperature / Context RangeSource Raw ReferenceSource ReferenceStatus
Electrical Conductivity14 % IACSTYPICALTest Temp: 20 °CCDA Physical Properties: Volume conductivity 14.0 % IACS at 68°F (20°C)14.0 % IACS at 68°FCopper 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%).
Showing 28 of 28 conditions
Product FormTemper / ConditionSection SizeTensile (UTS)Yield StrengthElongationShear StrengthFatigue StrengthHardness (Scales Preserved)Status
Flat ProductsHard (H04) · 20 °C
Source values and qualifiers
Tensile Strength: 613.6 MPa (TYPICAL)Section Size: 0.125; Section Size: 0.125 inCopper Development Association (CDA) —
Yield Strength (0.5% Ext): 413.7 MPa (TYPICAL)Section Size: 0.125; Section Size: 0.125 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) —
Elongation: 32 % (TYPICAL)Section Size: 0.125; Section Size: 0.125 inCopper Development Association (CDA) —
H04
0.125613.6 MPa413.7 MPa32 %———VERIFIED
Flat ProductsHard (H04)
Source values and qualifiers
Rockwell B Hardness: 87 HRB (TYPICAL)Section Size: 0.125; Section Size: 0.125 inCopper Development Association (CDA) —
H04
0.125—————
87 HRB
VERIFIED
Flat ProductsHard (H04) · 20 °C
Source values and qualifiers
Tensile Strength: 586.1 MPa (TYPICAL)Section Size: 0.312; Section Size: 0.312 inCopper Development Association (CDA) —
Yield Strength (0.5% Ext): 399.9 MPa (TYPICAL)Section Size: 0.312; Section Size: 0.312 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) —
Elongation: 35 % (TYPICAL)Section Size: 0.312; Section Size: 0.312 inCopper Development Association (CDA) —
H04
0.312586.1 MPa399.9 MPa35 %———VERIFIED
Flat ProductsHard (H04)
Source values and qualifiers
Rockwell B Hardness: 86 HRB (TYPICAL)Section Size: 0.312; Section Size: 0.312 inCopper Development Association (CDA) —
H04
0.312—————
86 HRB
VERIFIED
Flat ProductsHard (H04) · 20 °C
Source values and qualifiers
Tensile Strength: 537.8 MPa (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) —
Yield Strength (0.5% Ext): 310.3 MPa (TYPICAL)Section Size: 1; Section Size: 1 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) —
Elongation: 40 % (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) —
H04
1537.8 MPa310.3 MPa40 %———VERIFIED
Flat ProductsHard (H04)
Source values and qualifiers
Rockwell B Hardness: 84 HRB (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) —
H04
1—————
84 HRB
VERIFIED
Flat ProductsHard (H04) · 20 °C
Source values and qualifiers
Tensile Strength: 551.6 MPa (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) —
Yield Strength (0.5% Ext): 372.3 MPa (TYPICAL)Section Size: 0.5; Section Size: 0.5 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) —
Elongation: 38 % (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) —
H04
0.5551.6 MPa372.3 MPa38 %———VERIFIED
Flat ProductsHard (H04)
Source values and qualifiers
Rockwell B Hardness: 85 HRB (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) —
H04
0.5—————
85 HRB
VERIFIED
Flat ProductsSoft Anneal (O60) · 20 °C
Source values and qualifiers
Tensile Strength: 551.6 MPa (TYPICAL)Section Size: 0.315; Section Size: 0.315 inCopper Development Association (CDA) —
Yield Strength (0.5% Ext): 275.8 MPa (TYPICAL)Section Size: 0.315; Section Size: 0.315 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) —
Elongation: 40 % (TYPICAL)Section Size: 0.315; Section Size: 0.315 inCopper Development Association (CDA) —
O60
0.315551.6 MPa275.8 MPa40 %———VERIFIED
Flat ProductsSoft Anneal (O60) · 20 °C
Source values and qualifiers
Tensile Strength: 551.6 MPa (TYPICAL)Section Size: 0.312; Section Size: 0.312 inCopper Development Association (CDA) —
Yield Strength (0.5% Ext): 275.8 MPa (TYPICAL)Section Size: 0.312; Section Size: 0.312 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) —
Elongation: 40 % (TYPICAL)Section Size: 0.312; Section Size: 0.312 inCopper Development Association (CDA) —
O60
0.312551.6 MPa275.8 MPa40 %———VERIFIED
Flat ProductsSoft Anneal (O60)
Source values and qualifiers
Rockwell B Hardness: 83 HRB (TYPICAL)Section Size: 0.312; Section Size: 0.312 inCopper Development Association (CDA) —
Shear Strength: 289.6 MPa (TYPICAL)Section Size: 0.312; Section Size: 0.312 inCopper Development Association (CDA) —
Fatigue Strength: 179.3 MPa (TYPICAL)Section Size: 0.312; Section Size: 0.312 in; 10^8 cycles endurance limitCopper Development Association (CDA) —
O60
0.312———289.6 MPa179.3 MPa
83 HRB
VERIFIED
Flat ProductsSoft Anneal (O60) · 20 °C
Source values and qualifiers
Tensile Strength: 565.4 MPa (TYPICAL)Section Size: 0.125; Section Size: 0.125 inCopper Development Association (CDA) —
Yield Strength (0.5% Ext): 310.3 MPa (TYPICAL)Section Size: 0.125; Section Size: 0.125 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) —
Elongation: 40 % (TYPICAL)Section Size: 0.125; Section Size: 0.125 inCopper Development Association (CDA) —
O60
0.125565.4 MPa310.3 MPa40 %———VERIFIED
Flat ProductsSoft Anneal (O60)
Source values and qualifiers
Rockwell B Hardness: 84 HRB (TYPICAL)Section Size: 0.125; Section Size: 0.125 inCopper Development Association (CDA) —
Shear Strength: 310.3 MPa (TYPICAL)Section Size: 0.125; Section Size: 0.125 inCopper Development Association (CDA) —
Fatigue Strength: 206.8 MPa (TYPICAL)Section Size: 0.125; Section Size: 0.125 in; 10^8 cycles endurance limitCopper Development Association (CDA) —
O60
0.125———310.3 MPa206.8 MPa
84 HRB
VERIFIED
Flat ProductsSoft Anneal (O60) · 20 °C
Source values and qualifiers
Tensile Strength: 565.4 MPa (TYPICAL)Section Size: 0.118; Section Size: 0.118 inCopper Development Association (CDA) —
Yield Strength (0.5% Ext): 310.3 MPa (TYPICAL)Section Size: 0.118; Section Size: 0.118 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) —
Elongation: 40 % (TYPICAL)Section Size: 0.118; Section Size: 0.118 inCopper Development Association (CDA) —
O60
0.118565.4 MPa310.3 MPa40 %———VERIFIED
Flat ProductsSoft Anneal (O60) · 20 °C
Source values and qualifiers
Tensile Strength: 524 MPa (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) —
Yield Strength (0.5% Ext): 227.5 MPa (TYPICAL)Section Size: 1; Section Size: 1 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) —
Elongation: 45 % (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) —
O60
1524 MPa227.5 MPa45 %———VERIFIED
Flat ProductsSoft Anneal (O60)
Source values and qualifiers
Rockwell B Hardness: 81 HRB (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) —
Fatigue Strength: 193.1 MPa (TYPICAL)Section Size: 1; Section Size: 1 in; 10^8 cycles endurance limitCopper Development Association (CDA) —
O60
1————193.1 MPa
81 HRB
VERIFIED
Flat ProductsSoft Anneal (O60) · 20 °C
Source values and qualifiers
Tensile Strength: 537.8 MPa (TYPICAL)Section Size: 0.59; Section Size: 0.59 inCopper Development Association (CDA) —
Yield Strength (0.5% Ext): 241.3 MPa (TYPICAL)Section Size: 0.59; Section Size: 0.59 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) —
Elongation: 42 % (TYPICAL)Section Size: 0.59; Section Size: 0.59 inCopper Development Association (CDA) —
O60
0.59537.8 MPa241.3 MPa42 %———VERIFIED
Flat ProductsSoft Anneal (O60) · 20 °C
Source values and qualifiers
Tensile Strength: 537.8 MPa (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) —
Yield Strength (0.5% Ext): 241.3 MPa (TYPICAL)Section Size: 0.5; Section Size: 0.5 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) —
Elongation: 42 % (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) —
O60
0.5537.8 MPa241.3 MPa42 %———VERIFIED
Flat ProductsSoft Anneal (O60)
Source values and qualifiers
Rockwell B Hardness: 82 HRB (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) —
Shear Strength: 275.8 MPa (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) —
Fatigue Strength: 172.4 MPa (TYPICAL)Section Size: 0.5; Section Size: 0.5 in; 10^8 cycles endurance limitCopper Development Association (CDA) —
O60
0.5———275.8 MPa172.4 MPa
82 HRB
VERIFIED
RodDrawn and Stress Relieved (HR50) · 20 °C
Source values and qualifiers
Tensile Strength: 517.1 MPa (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) —
Elongation: 30 % (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) —
HR50
1517.1 MPa—30 %———VERIFIED
RodDrawn and Stress Relieved (HR50) · 20 °C
Source values and qualifiers
Tensile Strength: 551.6 MPa (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) —
Elongation: 30 % (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) —
HR50
0.5551.6 MPa—30 %———VERIFIED
RodDrawn and Stress Relieved (HR50) · 20 °C
Source values and qualifiers
Tensile Strength: 482.6 MPa (TYPICAL)Section Size: 2; Section Size: 2 inCopper Development Association (CDA) —
Elongation: 30 % (TYPICAL)Section Size: 2; Section Size: 2 inCopper Development Association (CDA) —
HR50
2482.6 MPa—30 %———VERIFIED
RodHard (H04) · 20 °C
Source values and qualifiers
Tensile Strength: 586.1 MPa (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) —
Yield Strength (0.5% Ext): 310.3 MPa (TYPICAL)Section Size: 0.5; Section Size: 0.5 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) —
Elongation: 35 % (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) —
H04
0.5586.1 MPa310.3 MPa35 %———VERIFIED
RodHard (H04)
Source values and qualifiers
Rockwell B Hardness: 91 HRB (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) —
Shear Strength: 330.9 MPa (TYPICAL)Section Size: 0.5; Section Size: 0.5 inCopper Development Association (CDA) —
H04
0.5———330.9 MPa—
91 HRB
VERIFIED
RodHard (H04) · 20 °C
Source values and qualifiers
Tensile Strength: 565.4 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: 35 % (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) —
H04
1565.4 MPa275.8 MPa35 %———VERIFIED
RodHard (H04)
Source values and qualifiers
Rockwell B Hardness: 90 HRB (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) —
Shear Strength: 310.3 MPa (TYPICAL)Section Size: 1; Section Size: 1 inCopper Development Association (CDA) —
H04
1———310.3 MPa—
90 HRB
VERIFIED
RodHard (H04) · 20 °C
Source values and qualifiers
Tensile Strength: 551.6 MPa (TYPICAL)Section Size: 2; Section Size: 2 inCopper Development Association (CDA) —
Yield Strength (0.5% Ext): 241.3 MPa (TYPICAL)Section Size: 2; Section Size: 2 in; Yield strength at 0.5% extension under loadCopper Development Association (CDA) —
Elongation: 35 % (TYPICAL)Section Size: 2; Section Size: 2 inCopper Development Association (CDA) —
H04
2551.6 MPa241.3 MPa35 %———VERIFIED
RodHard (H04)
Source values and qualifiers
Rockwell B Hardness: 88 HRB (TYPICAL)Section Size: 2; Section Size: 2 inCopper Development Association (CDA) —
Shear Strength: 275.8 MPa (TYPICAL)Section Size: 2; Section Size: 2 inCopper Development Association (CDA) —
Fatigue Strength: 179.3 MPa (TYPICAL)Section Size: 2; Section Size: 2 in; 10^8 cycles endurance limitCopper Development Association (CDA) —
H04
2———275.8 MPa179.3 MPa
88 HRB
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%).

Weldability & Joining

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

Heat Treatment & Working Ranges

Annealing temperature range: 607.2°C to 898.9°C (1125°F - 1650°F). Hot working temperature range: 787.8°C to 926.7°C (1450°F - 1700°F).

Forming & Cold Working

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

Comparable Grades & Cross-References

Carefully classified cross-reference relationships for C61400 Aluminum Bronze D. Comparable does not mean equivalent.

Related MaterialFamilyRelationship ClassificationMetallurgical Notes & DifferencesStatusAction
C63000 Nickel-Aluminum Bronze (AMS 4640)Copper AlloysCommonly ComparedC61400 (Alloy D) is single-phase alpha aluminum bronze with 6-8% Al, offering high ductility and outstanding ASME code weldability. C63000 is a high-strength multi-phase Ni-Al bronze (AMS 4640).Materials serve different design priorities (e.g. higher strength vs superior corrosion resistance or cost).VERIFIEDSide-by-Side Compare →
C65500 High-Silicon Bronze ACopper AlloysCommonly ComparedBoth alloys are weldable, corrosion-resistant wrought copper alloys; C61400 provides superior cavitation and mineral acid resistance; C65500 provides superior fastener cold forming.Materials serve different design priorities (e.g. higher strength vs superior corrosion resistance or cost).VERIFIEDSide-by-Side Compare →

Sources & Provenance Trail

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

Copper Development Association Inc.CDA Alloy C61400 Property & Specification Profile
AUTHORITATIVE BODY

Copper Development Association authoritative technical reference profile for C61400 Aluminum Bronze D.

Issuing Body: Copper Development Association (CDA)View Source Record ↗
Copper Development Association Inc.CDA UNS Standard Designations Register (C61400)
AUTHORITATIVE BODY

Unified Numbering System (UNS) designation registration register confirming active C61400 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.