CuZn32Pb2AsFeSi ( CW709R )
| Grade : | CuZn32Pb2AsFeSi |
| Number: | CW709R |
| Classification: | Complex copper-zinc alloy |
| Standard: | EN 12163: 1998 Copper and copper alloys. Rod for general purposes |
| Equivalent grades: | No information |
Chemical composition % of grade CuZn32Pb2AsFeSi ( CW709R )
| Fe | Si | Ni | Al | Cu | As | Pb | Sn | Others | - |
| 0.1 - 0.2 | 0.45 - 0.8 | max 0.3 | max 0.05 | 64 - 66.5 | 0.03 - 0.08 | 1.5 - 2.2 | max 0.3 | total 0.2 | Zn - remainder |
Mechanical properties of grade CuZn32Pb2AsFeSi ( CW709R )
| Rm - Tensile strength (MPa) (R380) | 380 |
| Rm - Tensile strength (MPa) (R430) | 430 |
| Rp0.2 0.2% proof strength (MPa) (R380) | 220 |
| Rp0.2 0.2% proof strength (MPa) (R430) | 280 |
| A - Min. elongation at fracture (%) (R380) | 20 |
| A - Min. elongation at fracture (%) (R430) | 15 |
| Brinell hardness (HB): (H110) (R380) | 110 - 140 |
| Brinell hardness (HB): (H120)(R430) | 120 |
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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CuZn32Pb2AsFeSi ( CW709R ) Complex copper-zinc alloy |
