铝板5050 0.2 0.1 1.1～1.8 0.25 0.1 0.4 0.7 余
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铜材:C1020 C1100 C1201 C1220 C1221 C2100 日本铜材C2200 C2300 C2400 C2600 C2680 C2720 杯士铜C2801 3560 C3710 C17200铍铜 |
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C3713 C4250 C4430 C4621 C4640 C6140易车削黄铜 C6161 C6280 C6301 7060 7150 C1401 C2051 C6712磷青铜 C1700 C1720 |