CuSn5 ( CW451K )
| Grade : | CuSn5 |
| Number: | CW451K |
| Classification: | Copper alloy |
| Density | 8.9 g/cm ³ |
| Standard: | EN 1652: 1998 Copper and copper alloys. Plate, sheet, strip and circles for general purposes EN 12163: 1998 Copper and copper alloys. Rod for general purposes EN 12166: 1998 Copper and copper alloys. Wire for general purposes EN 1654: 1998 Copper and copper alloys. Strip for springs and connectors EN 13148: 2001 Copper and copper alloys. Hot-dip tinned strip |
| Equivalent grades: | No information |
Chemical composition % of grade CuSn5 ( CW451K )
| Fe | Ni | P | Pb | Zn | Sn | Others | - |
| max 0.1 | max 0.2 | 0.01 - 0.4 | max 0.02 | max 0.2 | 4.5 - 5.5 | total 0.2 | Cu - remainder |
Mechanical properties of grade CuSn5 ( CW451K )
| Rm - Tensile strength (MPa) (R310) | 310-390 |
| Rm - Tensile strength (MPa) (R400) | 400-500 |
| Rp0.2 0.2% proof strength (MPa) (R310) | 250 |
| Rp0.2 0.2% proof strength (MPa) (R400) | 240 |
| A - Min. elongation at fracture (%) (R310) | 55 |
| A - Min. elongation at fracture (%) (R400) | 17 |
| A - Min. elongation Lo = 50mm (%) (R310) | 45 |
| A - Min. elongation Lo = 50mm (%) (R400) | 14 |
| Vickers hardness ( HV): (H075) | 75 - 105 |
| Vickers hardness ( HV): (H120) | 120 - 160 |
Properties CuSn5
| Modulus of elasticity = 120 kN/mm ² Electrical conductivity = 10 MS/m; |
Casting process
| GS | Sand casting |
| GM | Permanent mould casting |
| GZ | Centrifugal casting |
| GC | Continuous casting |
| GP | Pressure die casting |
Material conditions
| R | Material condition designated by the minimum value of tensile strength requirement for the product with mandatory tensile strength and elongation requirements |
| H | Material condition designated by the minimum value of hardness requirement for the product with mandatory hardness requirements |
Mechanical properties
| ReH | Minimum yield strength / Mindestwert der oberen Streckgrenze / Limite d elasticite minimale |
| Rm | Tensile strength / Zugfestigkeit / Resistance a la traction |
| A | Minimum elongation / Mindestwert der Bruchdehnung / Allongement minimal |
| J | Notch impact test / Kerbschlagbiegeversuch / Essai de flexion par choc |
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CuSn5 ( CW451K ) Cupper alloy |
