Castable copper-based alloys offer engineering designers corrosion resistance and bio-fouling resistance. Applications range from plumbing fixtures, impellers, propellers and pumps to bearings, valves and building products.
Available grades listed in the legacy technical information include Aluminium Bronze AB1 and AB2; Gunmetal G1, LG2 and LG4; Phosphor Bronze PB1; Leaded Phosphor Bronze LPB1; Lead Bronze LB2; Silicon Brass SCB3; and High Tensile Brass HTB1.
The source specification references BS 1400. Values shown in the technical schedule are tensile strength, 0.2% proof, typical hardness and elongation; please contact the foundry to confirm current material availability and specification.
Published values · BS 1400
| Alloy | Grade | Tensile N/mm² | 0.2% proof N/mm² | Hardness HB | Elongation % |
|---|---|---|---|---|---|
| Aluminium Bronze | AB1 | 550 | 200 | 130 | 18 |
| Aluminium Bronze | AB2 | 650 | 280 | 150 | 12 |
| Gunmetal | G1 | 270 | 130 | 85 | 16 |
| Gunmetal | LG2 | 230 | 110 | 65 | 10 |
| Gunmetal | LG4 | 240 | 130 | 70 | 12 |
| Phosphor Bronze | PB1 | 270 | 170 | 80 | 10 |
| Leaded Phosphor Bronze | LPB1 | 190 | 80 | 70 | 3 |
| Lead Bronze | LB2 | 220 | 110 | 65 | 5 |
| Silicon Brass | SCB3 | 180 | 70 | 45 | 12 |
| High Tensile Brass | HTB1 | 480 | 200 | 110 | 18 |
Published technical details may be subject to revision. Contact the foundry to confirm current specifications and material availability for your project.
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