Prominent Brass wire Manufacturing and Supply in India.
Prominent Brass wire Manufacturing and Supply in India.
|
Grade : |
CuSn7Zn4Pb7-B |
|
Number: |
CB493K |
|
Classification: |
Copper-tin-lead alloy |
Chemical composition % of grade CuSn7Zn4Pb7-B ( CB493K )
|
Fe |
Si |
Ni |
P |
S |
Al |
Cu |
Pb |
Zn |
Sb |
Sn |
- |
|
max 0.2 |
max 0.01 |
max 2 |
max 0.03 |
max 0.08 |
max 0.01 |
81 - 84.5 |
5.2 - 8 |
2.3 - 5 |
max 0.3 |
6.2 - 8 |
Cu including Ni |
Mechanical properties of grade CuSn7Zn4Pb7-B ( CB493K )
|
Rm - Tensile strength (MPa) (GS) or (GM) |
230 |
|
Rm - Tensile strength (MPa) (GZ) or (GC) |
260 |
|
Rp0.2 0.2% proof strength (MPa) (GS) or (GM) |
120 |
|
Rp0.2 0.2% proof strength (MPa) (GZ) or (GC) |
120 |
|
A - Min. elongation at fracture (%) (GS) |
15 |
|
A - Min. elongation at fracture (%) (GM) or (GZ) or (GC) |
12 |
|
Brinell hardness (HBW): (GS) or (GM) |
60 |
|
Brinell hardness (HBW): (GZ) or (GC) |
70 |
