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Chemical Composition
Elements
Cu(1,2) Pb Sn Zn Fe Al
(1) Cu value includes Ag.
(2) Cu + Sum of Named Elements 99.5% min.
Min (%) 3.0 8.5
Max (%) Rem 0.02 0.6 0.8 4.5 10.0
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)
YS-0.2% Offset
(ksi)
YS-0.5% Ext
(ksi)
Elongation
(%)
Rockwell B scale Rockwell 30T scale Fatigue Strength**
(ksi)
Section Size
(in)
* Measured at room temperature, 68°F (20°C). ** Fatigue Strength: 100 x 106 cycles, unless indicated as [N] x 106.
Flat Products 1/2 Hard H02 104 Typ
80 Typ
21 Typ
93 Typ
78 Typ
0.04
Annealed O61 92 Typ
60 Typ
49 Typ
30 Typ
72 Typ
0.04
Extra Spring H10 137 Typ
117 Typ
3 Typ
100 Typ
84 Typ
0.04
Extra Spring and Stress Relieved HR10 152 Typ
145 Typ
1 Typ
0.04
Hard H04 121 Typ
102 Typ
8 Typ
98 Typ
83 Typ
0.04
Hard Temper and Treated HT04 135 Typ
120 Typ
2 Typ
0.04
Spring H08 130 Typ
108 Typ
4 Typ
100 Typ
83 Typ
34 Typ 0.04
Spring Temper and Treated HT08 145 Typ
135 Typ
1.5 Typ
39 Typ 0.04
Physical Properties
Melting Point - Liquidus°F 1920
Melting Point - Solidus°F 1905
Densitylb/cu in. at 68°F 0.271
Specific Gravity 7.5
Electrical Conductivity% IACS at 68°F 10.5
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 45.9
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 9
Specific Heat CapacityBtu/ lb /°F at 68°F 0.1
Modulus of Elasticity in Tensionksi 16000
Fabrication Properties
Technique Suitability
Soldering Fair
Brazing Fair
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Excellent
Coated Metal Arc Welding Good
Spot Weld Good
Seam Weld Good
Butt Weld Good
Capacity for Being Cold Worked Fair
Capacity for Being Hot Formed Excellent
Common Fabrication Processes
  • Bending
  • Blanking
  • Forming
  • Shearing
  • Stamping
Thermal Properties
Treatment Minimum* Maximum*
* Temperature is measured in Fahrenheit.
Annealing 1000 1450
Hot Working Temperature 1020 1520
Typical uses
Product Category Product Reason Category Reason
Electrical Contacts Conductivity (Electrical) Electrical Conductivity
Contacts Conductivity (Thermal) Thermal Conductivity
Contacts Corrosion Resistance Corrosion Resistance
Contacts Corrosion Resistance Corrosion Resistance in Numerous Environments
Contacts Corrosion Resistance Corrosion Resistance to Acids
Contacts Corrosion Resistance Corrosion Resistance to Chemicals
Contacts Mechanical Properties High Strength
Springs Corrosion Resistance Corrosion Resistance
Springs Corrosion Resistance Corrosion Resistance in Numerous Environments
Springs Corrosion Resistance Corrosion Resistance to Acids
Springs Corrosion Resistance Corrosion Resistance to Chemicals
Springs Mechanical Properties Ductility
Springs Mechanical Properties High Strength
Switch Components Conductivity (Electrical) Electrical Conductivity
Switch Components Corrosion Resistance Corrosion Resistance
Switch Components Corrosion Resistance Corrosion Resistance to Acids
Switch Components Corrosion Resistance Corrosion Resistance to Chemicals
Marine Marine Hardware Corrosion Resistance Corrosion Resistance
Marine Hardware Corrosion Resistance Corrosion Resistance (Excellent)
Marine Hardware Corrosion Resistance Corrosion Resistance to Salt Water
Applicable Specifications
Form Specific Sub-Form Application System Standard Description
Bar ASTM B124/B124M COPPER AND COPPER-ALLOY FORGING ROD, BAR AND SHAPES
ASTM B150/B150M ALUMINUM BRONZE ROD, BAR AND SHAPES
Die Forgings ASTM B283/B283M COPPER AND COPPER ALLOY DIE FORGINGS (HOT PRESSED)
Electrode Welding MILITARY MIL-E-23765/3 ELECTRODES, WELDING, BARE, COPPER AND COPPER ALLOY
Forgings, Die (Hot Pressed) ASME SB283 COPPER AND COPPER ALLOY DIE FORGINGS (HOT PRESSED)
Rod ASTM B124/B124M COPPER AND COPPER-ALLOY FORGING ROD, BAR AND SHAPES
Rod, Bar & Shapes Aluminum Bronze ASME SB150 ALUMINUM BRONZE ROD, BAR, AND SHAPES
Aluminum Bronze ASTM B150/B150M ALUMINUM BRONZE ROD, BAR AND SHAPES
Shapes ASTM B150/B150M ALUMINUM BRONZE ROD, BAR AND SHAPES
ASTM B124/B124M COPPER AND COPPER-ALLOY FORGING ROD, BAR AND SHAPES
Corrosion Properties

No Corrosion Properties Available.