执行标准: GB/T9460: HSCuSi AWS A5.7: ERCuSi-A
DIN 1733 : SG-CuSi3
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牌号
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铜
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铝
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硅
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锌
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锰
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磷
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铅
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锡
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铁
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其他
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HSCuSi
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余量
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≤0.01
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2.8-4.0
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≤1.5
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≤1.5
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≤0.20
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≤1.1
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≤0.5
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≤0.50
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SG-CuSi3
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余量
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≤0.01
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2.8-4.0
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≤0.2
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0.5-1.5
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≤0.02
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≤0.02
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≤0.2
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≤0.3
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≤0.4
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ERCuSi-A
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余量
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≤0.01
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2.8-4.0
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≤1.0
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≤1.5
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≤0.02
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≤1.0
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≤0.50
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≤0.50
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