MATERIALJM3Bronze
BRONZEC90800
MATERIAL DATASHEET
JM3 (CuSn12-C)
Tin bronze with high strength and good wear resistance. Typical uses: gears, worm wheels, heavy-load bushings.
Standards & designations
| Designation | Reference |
|---|---|
| EN 1982 | CC483K (CuSn12-C) |
| UNS | C90800 |
| BS (old) | BS 1400 PB2 |
| DIN (old) | DIN 1705 CuSn12 |
Mechanical & physical properties
| Property | Value / condition |
|---|---|
| Yield strength Rp0.2 | ≥ 150 MPa |
| Tensile strength Rm | ≥ 270 MPa |
| Elongation A5 | ≥ 5 % |
| Hardness HBW | ≥ 90 |
| Density | ≈ 8.8 g/cm³ |
| Young’s modulus E | ≈ 100 GPa |
| Thermal conductivity | ≈ 50 W/m·K |
Chemical composition
Weight %
| Element | Cu | Sn | Pb | Zn | Ni | P | Fe | Mn | S | Sb | Si | Al |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | 85.0 | 11.0 | — | — | — | — | — | — | — | — | — | — |
| Max | 88.5 | 13.0 | 1.0 | 0.5 | 2.0 | 0.6 | 0.2 | 0.2 | 0.05 | 0.15 | 0.01 | 0.01 |
The information in this datasheet is provided for guidance only. Intermec AS does not guarantee the accuracy or completeness of the data. Users must verify suitability for their specific applications.