CuZn25Al5Fe2Mn2Pb ( CW705R )
| Grade : | CuZn25Al5Fe2Mn2Pb |
| Number: | CW705R |
| Classification: | Complex copper-zinc alloy |
| Density | 8.2 g/cm ³ |
| Standard: | EN 12163: 1998 Copper and copper alloys. Rod for general purposes 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 CuZn25Al5Fe2Mn2Pb ( CW705R )
| Fe | Ni | Al | Cu | Others | - |
| 0.5 - 3 | max 1 | 4 - 5 | 65 - 68 | total 0.1 | Cu - remainder |
Mechanical properties of grade CuZn25Al5Fe2Mn2Pb ( CW705R )
| Rm - Tensile strength (MPa) (R620) | 620 |
| Rm - Tensile strength (MPa) (R650) | 650 |
| Rp0.2 0.2% proof strength (MPa) (R620) | 360 |
| Rp0.2 0.2% proof strength (MPa) (R650) | 400 |
| A - Min. elongation at fracture (%) (R620) | 12 |
| A - Min. elongation at fracture (%) (R650) | 10 |
| Brinell hardness (HB): (H170) | 170 - 200 |
| Brinell hardness (HB): (H190) | 190 |
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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CuZn25Al5Fe2Mn2Pb ( CW705R ) Complex copper-zinc alloy |
