CuSn10Zn2-C / CuSn10Zn2-B
| Common name | Material description | World specifications |
||
|---|---|---|---|---|
| European | British | American | ||
| Tin bronze | CuSn10Zn2-C / CuSn10Zn2-B | - | G1 (BS 1400) | C90500 (ASTM B 505) |
Other name: Rodgods 5456, Tinbronze, CAS403, BrO10Z2, C92610A, BC 3, SAE J462, AMS 4845, JIS H5111.
The equivalence between the standards is not absolute and some variations in composition can exist.
Chemical Composition in %, (BS 1400:1985, Castings)
| Cu | Sn | Pb | Zn | Ni | Al | Fe | Mn | P | S | Si | Sb | As | Cr | Bi | Cd | Se | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | Rem. | 9.5 | - | 1.75 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Max | Rem. | 10.5 | 1.5 | 2.75 | 1.0 | 0.01 | 0.15 | - | - | 0.1 | 0.02 | - | - | - | 0.03 | - | - |
Fe+Sb+As=0.20% max
Total of impurities 0.50%
Chemical Composition in %, (BS 1400:1985, Ingots)
| Cu | Sn | Pb | Zn | Ni | Al | Fe | Mn | P | S | Si | Sb | As | Cr | Bi | Cd | Se | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | Rem. | 9.7 | - | 1.75 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Max | Rem. | 10.5 | 1.5 | 2.75 | 1.0 | 0.01 | 0.15 | - | 0.02 | 0.1 | 0.02 | - | - | - | 0.03 | - | - |
Fe+Sb+As=0.20% max
Total of impurities 0.50%
Mechanical Properties (EN 1982:2017, Continuous castings)
| Rm | Tensile strength min. | 300 N/mm2 |
| Rp0.2 | Proof Strength min. | 140 N/mm2 |
| A | Elongation min. | 9 % |
| HB | Brinell hardness min. | 90 HBW |
Properties:
- hard, strong, tough, resistant to wear;
- good machinability and corrosion resistant to sea water.
Application:
- worm wheels;
- gears;
- bushings for heavy loads and low speeds;
- good resistance to pounding.
- suitable for marine pumps and valves.
- plain bearing shells, moderately stressed slide and coupling components.