Specifications :
Element | Content (%) |
---|---|
Copper, Cu | 82.7 |
Aluminium, Al | 12.5-13.5 |
Iron, Fe | 3.5-5.0 |
Manganese, Mn | ≤2.0 |
Other | ≤0.5 |
Mechanical Composition :
Properties | Metric | Imperial |
---|---|---|
Hardness, Rockwell C | 27 | 27 |
Tensile strength (M30 and O61 tempers) | 690 MPa | 100000 psi |
Yield strength (M30 and O61 tempers) | 380 MPa | 55100 psi |
Elongation at break (in 50 mm, 1% reduction in area) | 1.00% | 1.00% |
Elastic modulus | 117 GPa | 17000 ksi |
Compressive yield strength (at permanent set of 0.1%) | 450 MPa | 65300 psi |
Compressive yield strength (at permanent set of 1%) | 880 MPa | 128000 psi |
Poisson’s ratio | 0.34 | 0.34 |
Charpy impact (@ 18.0 - 100°C/ -0.400 - 212°F, keyhole) | 3.00 J | 2.21 ft-lb |
Izod impact (@ 18.0 - 100°C/ -0.400 - 212°F) | 3.00 J | 2.21 ft-lb |
Fatigue strength (@# of cycles 1.00e+8, M30 temper) | 460 MPa | 66700 psi |
Machinability (UNS C36000 (free-cutting brass) = 100) | 20 | 20 |
Shear modulus | 42.3 GPa | 6140 ks |