CuSn6Zn4Pb2-B ( CB498K )
| Grade : | CuSn6Zn4Pb2-B |
| Number: | CB498K |
| Classification: | Copper-tin-lead alloy |
| Standard: | EN 1982: 2008 Copper and copper alloys. Ingots and castings |
| Equivalent grades: | No information |
Chemical composition % of grade CuSn6Zn4Pb2-B ( CB498K )
| A suffix -B is added to the designation to identify material in the form of ingots |
| Fe | Si | Ni | P | S | Al | Cu | Pb | Zn | Sb | Sn | - |
| max 0.25 | max 0.01 | max 1 | max 0.03 | max 0.08 | max 0.01 | 86 - 89.5 | 1.2 - 2 | 3.2 - 5 | max 0.25 | 5.7 - 6.5 | Cu including Ni |
Mechanical properties of grade CuSn6Zn4Pb2-B ( CB498K )
| Rm - Tensile strength (MPa) (GS) or (GM) | 220 |
| Rm - Tensile strength (MPa) (GZ) or (GC) | 240 |
| Rp0.2 0.2% proof strength (MPa) (GS) or (GM) | 110 |
| Rp0.2 0.2% proof strength (MPa) (GZ) or (GC) | 110 |
| A - Min. elongation at fracture (%) (GS) | 15 |
| A - Min. elongation at fracture (%) (GM) or (GZ) or (GC) | 12 |
| Brinell hardness (HBW): (GS) | 65 |
| Brinell hardness (HBW): (GM) or (GZ) or (GC) | 70 |
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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CuSn6Zn4Pb2-B ( CB498K ) Copper-tin-lead alloy |
