Bronze SAE 40
Subcategory: Bronze; Copper Alloy; Metal; Nonferrous Metal
Key Words: Bronze 40; CDA 83600
Component | Wt. % | | | Cu | 85 | | Pb | 5 | | Sn | 5 | | Zn | 5 | |
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Physical Properties | Metric | English | Comments |
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Density | 8.82 g/cc | 0.319 lb/in³ | at 20°C (68°F) |
Mechanical Properties |
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Hardness, Brinell | 60 | 60 | |
Hardness, Knoop | 80 | 80 | Estimated from Brinell |
Hardness, Vickers | 68 | 68 | Estimated from Brinell |
Tensile Strength, Ultimate | 255 MPa | 37000 psi | |
Tensile Strength, Yield | 125 MPa | 18100 psi | 0.2% Offset |
Elongation at Break | 30 % | 30 % | in 5 cm |
Modulus of Elasticity | 93 GPa | 13500 ksi | |
Electrical Properties |
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Electrical Resistivity | 1.2e-005 ohm-cm | 1.2e-005 ohm-cm | |
Thermal Properties |
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Thermal Conductivity | 71.9 W/m-K | 499 BTU-in/hr-ft²-°F | |
Melting Point | 854 - 1010 °C | 1570 - 1850 °F | |
Solidus | 854 °C | 1570 °F | |
Liquidus | 1010 °C | 1850 °F | |
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