CuNi50 ( CM239E )
| Grade : | CuNi50 |
| Number: | CM239E |
| Classification: | Master alloy |
| Standard: | EN 1981: 2003 Copper and copper alloys. Master alloys |
| Equivalent grades: | No information |
Chemical composition % of grade CuNi50 ( CM239E )
| Fe | C | Si | Mn | Ni | P | Al | Pb | Zn | Sn | Others | - |
| max 0.3 | max 0.05 | max 0.05 | max 0.2 | 48.5 - 51.5 | max 0.03 | max 0.05 | max 0.05 | max 0.1 | max 0.05 | each 0.05; total 0.3 | Cu - remainder |
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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CuNi50 ( CM239E ) Master alloy |
