CuZn39Pb1AlB-B ( CB755S )
| Grade : | CuZn39Pb1AlB-B |
| Number: | CB755S |
| Classification: | Copper-zinc alloy |
| Standard: | EN 1982: 2008 Copper and copper alloys. Ingots and castings |
| Equivalent grades: | No information |
Chemical composition % of grade CuZn39Pb1AlB-B ( CB755S )
| A suffix -B is added to the designation to identify material in the form of ingots |
| Fe | Si | Mn | Ni | Al | Cu | Pb | Sn | - |
| 0.05 - 0.2 | max 0.03 | max 0.05 | max 0.2 | 0.4 - 0.65 | 59 - 60.5 | 1.2 - 1.7 | max 0.3 | Zn - remainder |
Mechanical properties of grade CuZn39Pb1AlB-B ( CB755S )
| Rm - Tensile strength (MPa) (GM) | 350 |
| Rp0.2 0.2% proof strength (MPa) (GM) | 180 |
| A - Min. elongation at fracture (%) (GM) | 13 |
| Brinell hardness (HBW): (GM) | 90 |
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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CuZn39Pb1AlB-B ( CB755S ) Copper-zinc alloy |
