CuZn20 ( CW503L )
| Grade : | CuZn20 |
| Number: | CW503L |
| Classification: | Copper-zinc alloy |
| Density | 8.7 g/cm ³ |
| Standard: | EN 1652: 1998 Copper and copper alloys. Plate, sheet, strip and circles for general purposes EN 12163: 1998 Copper and copper alloys. Rod for general purposes EN 12166: 1998 Copper and copper alloys. Wire for general purposes EN 12449: 1999 Copper and copper alloys. Seamless, round tubes for general purposes EN 13148: 2001 Copper and copper alloys. Hot-dip tinned strip |
| Equivalent grades: | Go here |
Chemical composition % of grade CuZn20 ( CW503L )
| Fe | Ni | Al | Cu | Pb | Sn | Others | - |
| max 0.05 | max 0.3 | max 0.02 | 79 - 81 | max 0.05 | max 0.1 | total 0.1 | Zn - remainder |
Mechanical properties of grade CuZn20 ( CW503L )
| Rm - Tensile strength (MPa) (R270) | 270-320 |
| Rm - Tensile strength (MPa) (R320) | 320-400 |
| Rm - Tensile strength (MPa) (R400) | 400-480 |
| Rp0.2 0.2% proof strength (MPa) (R270) | 150 |
| Rp0.2 0.2% proof strength (MPa) (R320) | 200 |
| Rp0.2 0.2% proof strength (MPa) (R400) | 320 |
| A - Min. elongation at fracture (%) (R270) | 48 |
| A - Min. elongation at fracture (%) (R320) | 28 |
| A - Min. elongation at fracture (%) (R400) | 12 |
| A - Min. elongation Lo = 50mm (%) (R270) | 38 |
| A - Min. elongation Lo = 50mm (%) (R320) | 20 |
| A - Min. elongation Lo = 50mm (%) (R400) | 5 |
| Vickers hardness ( HV): (H055) | 55 - 85 |
| Vickers hardness ( HV): (H085) | 85 - 120 |
| Vickers hardness ( HV): (H120) | 120 - 155 |
Equivalent grades of grade CuZn20 ( CW503L )
Warning! Only for reference
| EU EN |
Germany DIN,WNr |
Russia GOST |
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| CuZn20 |
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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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CuZn20 ( CW503L ) Copper-zinc alloy |
