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美國(guó)牌號(hào)CZ120
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美國(guó)牌號(hào)
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CZ120?????對(duì)應(yīng)中國(guó)牌號(hào):HPb59-1?HPb60-2
化學(xué)成份：?Cu:58-60???Pb:1.5-2.5???Zn:余量???Fe:-??Sn:-??雜質(zhì)總和％:0.3
?CZ121Pb3????對(duì)應(yīng)中國(guó)牌號(hào):HPb59-3
化學(xué)成份：?Cu:56.5-58.5???Pb:2.5-3.5???Zn:余量???Fe:≤0.3??Sn:-??雜質(zhì)總和％:≤0.7
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