CuSn12Ni2-C / CuSn12Ni2-B (CC484K / CB484K)
| Common name | Material description | World specifications |
||
|---|---|---|---|---|
| European | British | American | ||
| Tin bronze | CuSn12-C / CuSn12-B | CC484K / CC484K (EN 1982) | CT2 (BS 1400) | C91700 (ASTM B 427) |
Other name: JIS CIn2, ASTM C92500, SEA 640, CDA 925, GC-CuSn12Ni.
The equivalence between the standards is not absolute and some variations in composition can exist.
Chemical Composition in %, (EN 1982:2017, Castings)
| Sn | Pb | Zn | Ni | Al | Fe | Mn | P | S | Si | Sb | As | Cr | Bi | Cd | Se | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | 84.5 | 11.0 | - | - | 1.5 | - | - | - | 0.05 | - | - | - | - | - | - | - |
| Max | 87.5 | 13.0 | 0.3 | 0.4 | 2.5 | 0.01 | 0.2 | 0.2 | 0.4 | 0.05 | 0.01 | 0.1 | - | - | - | - |
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 | 84.0 | 11.3 | - | - | 1.5 | - | - | - | - | - | - | - | - | - | - | - | - |
| Max | 87.0 | 13.0 | 0.2 | 0.3 | 2.4 | 0.01 | 0.15 | 0.10 | 0.4 | 0.04 | 0.01 | 0.05 | - | - | - | - | - |
Mechanical Properties (EN 1982:2017, Continuous castings)
| Rm | Tensile strength min. | 300 N/mm2 |
| Rp0.2 | Proof Strength min. | 180 N/mm2 |
| A | Elongation min. | 10 % |
| HB | Brinell hardness min. | 95 HBW |
Properties:
- construction material with very good wear resistance;
- corrosion and sea water resistant.
Application:
- annular and tubular construction elements;
- nuts moved under load;
- high stress high- speed warm and helical wheel rims;
- automotive synchronizer rings.