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C61000 Wrought BRONZES Copper-Aluminum Alloys (Aluminum Bronzes) true true https://api.copper.org/alloys.xhtml/C61000
Chemical Composition
Elements
Cu(1,2) Pb Zn Fe Al Si
(1) Cu value includes Ag.
(2) Cu + Sum of Named Elements 99.5% min.
Min (%) 6.0
Max (%) Rem 0.02 0.20 0.50 8.5 0.10
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)		 YS-0.5% Ext
(ksi)		 Elongation
(%)		 Rockwell B scale Torsion Modulus
(ksi)		 Section Size
(in)
* Measured at room temperature, 68°F (20°C).
Plate Hard H04 60 Typ
 27 Typ
 30 Typ
 85 Typ
 1
Hard H04 65 Typ
 24 Typ
 30 Typ
 85 Typ
 0.5
Soft Anneal O60 52 Typ
 17 Typ
 45 Typ
 60 Typ
 1
Rod Hard H04 80 Typ
 25 Typ
 6.4 Typ 1
Soft Anneal O60 70 Typ
 30 Typ
 65 Typ
 1
Sheet Hard H04 65 Typ
 24 Typ
 30 Typ
 85 Typ
 0.5
Hard H04 60 Typ
 27 Typ
 30 Typ
 85 Typ
 1
Soft Anneal O60 52 Typ
 17 Typ
 45 Typ
 60 Typ
 1
Strip Hard H04 65 Typ
 24 Typ
 30 Typ
 85 Typ
 0.5
Hard H04 60 Typ
 27 Typ
 30 Typ
 85 Typ
 1
Soft Anneal O60 52 Typ
 17 Typ
 45 Typ
 60 Typ
 1
Physical Properties
Melting Point - Liquidus°F 1905
Densitylb/cu in. at 68°F 0.281
Specific Gravity 7.78
Electrical Conductivity% IACS at 68°F 15
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 40
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 9.9
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 17000
Modulus of Rigidityksi 6400
Fabrication Properties
Technique Suitability
Soldering Fair
Brazing Not Recommended
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Good
Coated Metal Arc Welding Good
Spot Weld Good
Seam Weld Fair
Butt Weld Good
Capacity for Being Cold Worked Good
Capacity for Being Hot Formed Good
Forgeability Rating 70
Machinability Rating 20
Common Fabrication Processes
  • Blanking
  • Drawing
  • Forming and Bending
  • Heading and Roll Threading
Thermal Properties
Treatment Minimum* Maximum*
* Temperature is measured in Fahrenheit.
Annealing 1100 1250
Hot Working Temperature 1400 1600
Typical uses
Product Category Product Reason Category Reason
Architecture Decorative Applications Appearance Appearance
Decorative Applications Appearance Gold Color
Decorative Applications Mechanical Properties Moderate Strength
Fasteners Bolts Forming Characteristics Formability
Bolts Mechanical Properties Moderate Strength
Industrial Overlay on Steel for Wearing Surface Friction & Wear Properties Wear Resistance
Overlay on Steel for Wearing Surface Mechanical Properties Moderate Strength
Overlay on Steel for Wearing Surface Welding Characteristics Weldability
Pump Parts Forming Characteristics Formability
Pump Parts Friction & Wear Properties Wear Resistance
Pump Parts Mechanical Properties Moderate Strength
Pump Parts Mechanical Properties Toughness
Shafts Forming Characteristics Formability
Shafts Mechanical Properties Ductility
Shafts Mechanical Properties Moderate Strength
Tie Rods Friction & Wear Properties Wear Resistance
Tie Rods Mechanical Properties Moderate Strength
Tie Rods Welding Characteristics Weldability
Welding Wire Welding Characteristics Weld Alloy - c61300
Applicable Specifications
Form Specific Sub-Form Application System Standard Description
Bar FEDERAL QQ-C-450 COPPER-ALUMINUM ALLOY (ALUMINUM BRONZE, PLATE, SHEET, STRIP, AND BAR)
Electrode Welding MILITARY MIL-E-23765/3 ELECTRODES, WELDING, BARE, COPPER AND COPPER ALLOY
AWS A5.7 COPPER AND COPPER ALLOY BARS, WELDING RODS
Plate FEDERAL QQ-C-450 COPPER-ALUMINUM ALLOY (ALUMINUM BRONZE, PLATE, SHEET, STRIP, AND BAR)
Sheet FEDERAL QQ-C-450 COPPER-ALUMINUM ALLOY (ALUMINUM BRONZE, PLATE, SHEET, STRIP, AND BAR)
Strip FEDERAL QQ-C-450 COPPER-ALUMINUM ALLOY (ALUMINUM BRONZE, PLATE, SHEET, STRIP, AND BAR)
Corrosion Properties

No Corrosion Properties Available.