灯饰行业用铜焊丝HS221(铜焊条)
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标准 | GB 9460 | BS EN14640 | AWS A5.7 |
化学成份% | (HSCuSi) | (CuSi3Mn1) | (ERCuSi-A) |
铜 | Cu | 余量 | 余量 | 余量 |
铝 | Al | ≤0.01 | 0.01 | 0.01 |
铁 | Fe | ≤0.5 | 0.5 | 0.5 |
锰 | Mn | ≤1.5 | 0.5~1.5 | 1.5 |
镍 | Ni | - | - | - |
磷 | P | - | 0.02 | - |
铅 | Pb | ≤0.20 | 0.02 | 0.02 |
硅 | Si | 2.8~4.0 | 2.8~4.0 | 2.8~4.0 |
锡 | Sn | ≤1.1 | 0.2 | 1.0 |
锌 | Zn | ≤1.5 | 0.2 | 1.0 |
其它元素总量 | ≤0.50 | <0.40 | <0.5 |