CuSn11P-C/ CuSn11P-B, (CC481K / CB481K)
| Common name | Material description | World specifications |
||
|---|---|---|---|---|
| European | British | American | ||
| Tin bronze | CuSn11P-C/ CuSn11P-B | CC481K / CB481K (EN 1982) | PB1 (BS 1400) | C90700 (ASTM B 505) |
Other name: Def Stan 02 838 Part 1, NES 838 Part 1, SAE 65c, NES 838, C90710 (AS 1565:1985), 904D (AS 1565:1974)
The equivalence between the standards is not absolute and some variations in composition can exist.
Chemical Composition in %, (EN 1982:2017, Castings)
| Cu | Sn | Pb | Zn | Ni | Al | Fe | Mn | P | S | Si | Sb | As | Cr | Bi | Cd | Se | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | 87.0 | 10.0 | - | - | - | - | - | - | 0.5 | - | - | - | - | - | - | - | - |
| Max | 89.5 | 11.5 | 0.25 | 0.05 | 0.10 | 0.01 | 0.10 | 0.05 | 1.0 | 0.05 | 0.01 | 0.05 | - | - | - | - | - |
Chemical Composition in %, (EN 1982:2017, Ingots)
| Cu | Sn | Pb | Zn | Ni | Al | Fe | Mn | P | S | Si | Sb | As | Cr | Bi | Cd | Se | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | 87.0 | 10.2 | - | - | - | - | - | - | 0.6 | - | - | - | - | - | - | - | - |
| Max | 89.3 | 11.5 | 0.25 | 0.05 | 0.10 | 0.01 | 0.10 | 0.05 | 1.0 | 0.05 | 0.01 | 0.05 | - | - | - | - | - |
Mechanical Properties (EN 1982:2017, Continuous castings)
| Rm | Tensile strength min. | 350 N/mm2 |
| Rp0.2 | Proof Strength min. | 170 N/mm2 |
| A | Elongation min. | 5 % |
| HB | Brinell hardness min. | 85 HBW |
Properties:
- material combines high mechanical strength with good ductility, corrosion resistance and wear resistance
Application:
- industrial Restaurant Equipment,
- bearings for heavy loads and relatively low speeds,
- bearings,
- gear boxes,
- speed reducers,
- valve bodies,
- worm gears