CuZn25Al5Mn4Fe3-B ( CB762S )
| Grade : | CuZn25Al5Mn4Fe3-B |
| Number: | CB762S |
| Classification: | Copper-zinc alloy |
| Standard: | EN 1982: 2008 Copper and copper alloys. Ingots and castings |
| Equivalent grades: | Go here |
Chemical composition % of grade CuZn25Al5Mn4Fe3-B ( CB762S )
| A suffix -B is added to the designation to identify material in the form of ingots |
| Fe | Si | Mn | Ni | P | Al | Cu | Pb | Sb | Sn | - |
| 1.5 - 3.5 | max 0.08 | 3 - 5 | max 2.7 | max 0.02 | 4 - 7 | 60 - 66 | max 0.2 | max 0.03 | max 0.2 | Zn - remainder; Cu including Ni |
Mechanical properties of grade CuZn25Al5Mn4Fe3-B ( CB762S )
| Rm - Tensile strength (MPa) (GS) | 750 |
| Rm - Tensile strength (MPa) (GZ) or (GC) | 750 |
| Rp0.2 0.2% proof strength (MPa) (GS) | 450 |
| Rp0.2 0.2% proof strength (MPa) (GZ) or (GC) | 480 |
| A - Min. elongation at fracture (%) (GS) | 8 |
| A - Min. elongation at fracture (%) (GZ) or (GC) | 5 |
| Brinell hardness (HBW): (GS) | 180 |
| Brinell hardness (HBW): (GZ) or (GC) | 190 |
Equivalent grades of grade CuZn25Al5Mn4Fe3-B ( CB762S )
Warning! Only for reference
| EU EN |
Germany DIN,WNr |
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| CuZn25Al5Mn4Fe3-B |
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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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CuZn25Al5Mn4Fe3-B ( CB762S ) Copper-zinc alloy |
