CuSn6Pb16-C / CuSn6Pb16-B
| Common name | Material description | World specifications |
||
|---|---|---|---|---|
| European | British | American | ||
| High-leaded tin bronze | CuSn6Pb16-C / CuSn6Pb16-B | - | - | C93900/ SAE67 (ASTM B 505) |
The equivalence between the standards is not absolute and some variations in composition can exist.
Chemical Composition in %, (ASTM B 505-18, Continuous castings)
| Cu | Sn | Pb | Zn | Ni | Al | Fe | Mn | P | S | Si | Sb | As | Cr | Bi | Cd | Se | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | 76.5 | 5.0 | 14.0 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Max | 79.5 | 7.0 | 18.0 | 1.5 | 0.8 | 0.05 | 0.40 | - | 1.5 | 0.08 | 0.005 | 0.50 | - | - | - | - | - |
Ni value includes Co
Cu + Sum of Named Elements 98.9% min.
Mechanical Properties (ASTM B 505-18, Continuous castings)
| Rm | Tensile strength min. | 172 N/mm2 |
| Rp0.2 | Proof Strength min. | 110 N/mm2 |
| A | Elongation min. | 5 % |
| HB | Brinell hardness min. | - |
Properties:
Most commonly used bearing alloy, found in bearings operating at moderate loads and moderate-ta-high speeds, as in electric motors and appliances.
- material for plain bearings in mechanical engineering with medium loads;
- very good emergency running;
- high wear resistance;
Application:
- bearings;
- pump bodies,
- pump impellers for mine water