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Contact Supplier| Chemical Composition of A Copper Alloy Ingots and Billets - BS 1400 1973 | ||||||||
| Name BS | PB - 04 Phosphors bronze | LPB1 Leaded Phosphors Bronze | LG2 85/5/5/5 Leaded Gun Metal | LG4 87/7/3/3 Leaded Gun Metal | ||||
| Elements | Min | Max | Min | Max | Min | Max | Min | Max |
| Copper | Rem | - | Rem | - | Rem | - | Rem | - |
| Tin | 9.7 | - | 6.5 | 8.5 | 4.0 | 6.0 | 6.0 | 8.0 |
| Zinc | - | 0.5 | - | 2.0 | 4.5 | 6.0 | 1.7 | 3.2 |
| Lead | - | 0.75 | 2.0 | 5.0 | 4.0 | 6.0 | 2.7 | 3.5 |
| Phosphorous | 0.5 | - | 0.4 | - | - | 0.02 | - | 0.02 |
| Nickel | - | 0.5 | - | 1.0 | - | 2.0 | - | 2.0 |
| Iron | - | - | - | 0.2 | - | 0.2 | - | 0.2 |
| Aluminium | - | - | - | - | - | - | - | - |
| Manganese | - | - | - | - | - | - | - | - |
| Antimony | - | - | - | 0.2 | - | 0.2 | - | 0.2 |
| Arsenic | - | - | - | - | - | 0.2 | - | 0.15 |
| Silicon | - | - | - | - | - | - | - | - |
| Bismuth | - | - | - | - | - | - | - | - |
| Magnesium | - | - | - | - | - | - | - | - |
| Sulphur Nicbium | - | - | - | - | - | - | - | - |
| Impurities | - | 0.50 | - | 0.50 | - | 0.80 | - | 0.70 |
| Chemical Composition of B Copper Alloy Ingots and Billets | ||||||||
| Name | AB1 Aluminium Bronze | AB2 Aluminium Bronze | HTB1 High Tensile Brass | HTB3 High Tensile Beta Brass | ||||
| Min | Max | Min | Max | Min | Max | Min | Max | |
| Copper | Rem | - | Rem | - | 55.0 | - | 55.0 | - |
| Tin | - | 0.1 | - | 0.1 | - | 1.0 | - | 0.20 |
| Zinc | - | 0.50 | - | 0.50 | Rem | - | Rem | - |
| Lead | - | 0.05 | - | 0.05 | - | 0.50 | - | 0.20 |
| Phosphorous | - | - | - | - | - | - | - | - |
| Nickel | - | 1.0 | 4.0 | 5.5 | - | 1.0 | - | 1.0 |
| Iron | 1.5 | 3.5 | 4.0 | 5.5 | 0.7 | 2.0 | 1.5 | 3.25 |
| Aluminium | 8.5 | 10.5 | 8.8 | 10.0 | 0.5 | 2.5 | 3.0 | 6.0 |
| Manganese | - | 1.0 | - | 1.5 | - | 3.0 | - | 4.0 |
| Antimony | - | - | - | - | - | - | - | - |
| Arsenic | - | - | - | - | - | - | - | - |
| Silicon | - | 0.25 | - | 0.10 | - | 0.10 | - | 0.10 |
| Bismuth | - | - | - | - | - | - | - | - |
| Magnesium | - | 0.05 | - | 0.05 | - | - | - | - |
| Total Impurities | - | 0.30 | - | 0.20 | - | 0.20 | - | 0.20 |