LPB1 Leaded Phosphor Bronze
Composition (maximum % unless otherwise listed)
| Cu | Remainder |
| Sn | 6.5 - 8.5 |
| Zn | 2.0 |
| Pb | 2.0 - 3.8 |
| P | 0.4 min |
| Ni | 1.0 |
| Fe* | 0.2 |
| Al* | 0.01 |
| Sb* | 0.25 |
| Si* | 0.01 |
| S* | 0.1 |
| T-I | 0.50 |
T-I Total Impurities
Elements marked with * are specified impurities
Typical Physical Properties
| Tensile Strength (MPa) | 190-250 |
| Elongation (% min) | 3-12 |
| 0.2% Proof Stress (MPa) | 100-160 |
| Hardness (HB) | 60-90 |