CuSn4 ( CW450K )
| Grade : | CuSn4 |
| Number: | CW450K |
| Classification: | Cupper alloy |
| Density | 8.9 g/cm ³ |
| Standard: | EN 1652: 1998 Copper and copper alloys. Plate, sheet, strip and circles 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: | Go here |
Chemical composition % of grade CuSn4 ( CW450K )
| Fe | Ni | P | Pb | Zn | Sn | Others | - |
| max 0.1 | max 0.2 | 0.01 - 0.4 | max 0.02 | max 0.2 | 3.5 - 4.5 | total 0.2 | Cu - remainder |
Mechanical properties of grade CuSn4 ( CW450K )
| Rm - Tensile strength (MPa) (R290) | 290-390 |
| Rm - Tensile strength (MPa) (R390) | 390-490 |
| Rp0.2 0.2% proof strength (MPa) (R290) | 190 |
| Rp0.2 0.2% proof strength (MPa) (R390) | 210 |
| A - Min. elongation at fracture (%) (R290) | 50 |
| A - Min. elongation at fracture (%) (R390) | 13 |
| A - Min. elongation Lo = 50mm (%) (R290) | 40 |
| A - Min. elongation Lo = 50mm (%) (R390) | 11 |
| Vickers hardness ( HV): (H070) | 70 - 100 |
| Vickers hardness ( HV): (H115) | 115 - 155 |
Properties CuSn4
| Modulus of elasticity = 120 kN/mm ² Electrical conductivity = 11 MS/m; |
Equivalent grades of grade CuSn4 ( CW450K )
Warning! Only for reference
| EU EN |
Germany DIN,WNr |
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| CuSn4 |
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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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CuSn4 ( CW450K ) Cupper alloy |
