CuNi12Zn25Pb1 ( CW404J )
| Grade : | CuNi12Zn25Pb1 |
| Number: | CW404J |
| Classification: | Cupper alloy |
| Density | 8.7 g/cm ³ |
| Standard: | EN 1652: 1998 Copper and copper alloys. Plate, sheet, strip and circles for general purposes |
| Equivalent grades: | No information |
Chemical composition % of grade CuNi12Zn25Pb1 ( CW404J )
| Fe | Mn | Ni | Cu | Pb | Sn | Others | - |
| max 0.3 | max 0.5 | 11 - 13 | 60 - 63 | 0.5 - 1.5 | max 0.2 | total 0.2 | Zn - remainder |
Mechanical properties of grade CuNi12Zn25Pb1 ( CW404J )
| Rm - Tensile strength (MPa) (R380) | 380-470 |
| Rm - Tensile strength (MPa) (R530) | 530-610 |
| Rp0.2 0.2% proof strength (MPa) (R380) | 260 |
| Rp0.2 0.2% proof strength (MPa) (R530) | 420 |
| A - Min. elongation Lo = 50mm (%) (R380) | 15 |
| A - Min. elongation Lo = 50mm (%) (R530) | 3 |
| Vickers hardness ( HV): (H110) | 110 - 140 |
| Vickers hardness ( HV): (H155) | 155 - 185 |
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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CuNi12Zn25Pb1 ( CW404J ) Cupper alloy |
