化學成分：
Cu | Sn | Pb | Zn | Fe | Ni | Sb | P | S | Al | Mn | Si | |
81.00-85.00 | 6.30-7.50 | 6.00-8.00 | 2.00-4.00 | 0.2 | 1.00? | 0.35 | 1.5 | 0.08 | 0.005 | N/A | 0.005 |
機械性能：
Tensile Strength (min) | Yield Strength (at .5% extention under load min) | Elongation (in 2in. or 50mm min, %) | Brinell Hardness (min) | Remarks | ||
Ksi | MPa | Ksi | MPa | |||
35 | 241 | 20 | 138 | 10 | 65 | |
