CuSn5Zn5Pb2-B ( CB499K )



| Grade : | CuSn5Zn5Pb2-B |
| Number: | CB499K |
| Classification: | Copper-tin-lead alloy |
| Standard: | EN 1982: 2008 Copper and copper alloys. Ingots and castings |
| Equivalent grades: | No information |
Chemical composition % of grade CuSn5Zn5Pb2-B ( CB499K )
| A suffix -B is added to the designation to identify material in the form of ingots |
| Fe | Si | Ni | P | S | Cr | Al | Cu | As | Pb | Zn | Sb | Bi | Sn | Cd |
| max 0.3 | max 0.01 | max 0.6 | max 0.03 | max 0.04 | max 0.02 | max 0.01 | 84 - 87.5 | max 0.03 | max 3 | 4.5 - 6.5 | max 0.1 | max 0.02 | 4.2 - 6 | max 0.02 |
Mechanical properties of grade CuSn5Zn5Pb2-B ( CB499K )
| Rm - Tensile strength (MPa) (GS) | 200 |
| Rm - Tensile strength (MPa) (GM) | 220 |
| Rm - Tensile strength (MPa) (GZ) or (GC) | 250 |
| Rp0.2 0.2% proof strength (MPa) (GS) | 90 |
| Rp0.2 0.2% proof strength (MPa) (GM) | 110 |
| Rp0.2 0.2% proof strength (MPa) (GZ) or (GC) | 110 |
| A - Min. elongation at fracture (%) (GS) or (GZ) or (GC) | 13 |
| A - Min. elongation at fracture (%) (GM) | 6 |
| Brinell hardness (HBW): (GS) | 60 |
| Brinell hardness (HBW): (GM) or (GZ) or (GC) | 65 |
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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CuSn5Zn5Pb2-B ( CB499K ) Copper-tin-lead alloy |







