| DIN | |||||
| Alloy | CuSn12 | ||||
| Gbz12 | |||||
| Standard | DIN 1705 | ||||
| Alloy Number | 2.1052 | ||||
| Chemical Composition | Mechanical Properties | ||||
| Cu | 84.0 - 88.5 | DIN | |||
| Sn | 11.0 - 13.0 | Rm | ≥ 280 | ||
| Zn | 1.0 max. | Rp 0.2 | ≥ 140 | ||
| Pb | 1.0 max. | A5 | ≥ 8 | ||
| Ni | 2.0 max. | HB | ≥ 90 | ||
| P | 0.4 max. | ||||
| kg/dm³ | approx. 8.7 | ||||
| Properties and Applications | Tin increases alloy strength. Tin bronzes are durable, hard and highly ductile. Sea water and wear resistant worm gears and gears, bearings under low speed and heavy load. | ||||