


| Grade : | CuAl9Ni3Fe2 |
| Number: | CW304G |
| Classification: | Cupper alloy |
| Density | 7.4 g/cm ³ |
| Standard: | EN 1653: 1998 Copper and copper alloys. Plate, sheet and circles for boilers, pressure vessels and hot water storage units EN 12165: 1998 Copper and copper alloys. Wrought and unwrought forging stock EN 12420: 1999 Copper and copper alloys. Forgings |
| Equivalent grades: | No information |
Chemical composition % of grade CuAl9Ni3Fe2 ( CW304G )
| Fe | Si | Mn | Ni | Al | Pb | Zn | Sn | Others | - |
| 1 - 3 | max 0.1 | max 2.5 | 2 - 4 | 8 - 9.5 | max 0.05 | max 0.2 | max 0.1 | total 0.3 | Cu - remainder |
Mechanical properties of grade CuAl9Ni3Fe2 ( CW304G )
| Rm - Tensile strength (MPa) (R490) | 490 |
| Rp0.2 0.2% proof strength (MPa) (R490) | 180 |
| A - Min. elongation at fracture (%) (R490) | 20 |
| Vickers hardness ( HV): (R490) | 125 |
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 |
|
CuAl9Ni3Fe2 ( CW304G ) Cupper alloy |







