牌號化學成分(質量分數)(%)備注SiFeCuMnMgCrNiZnTi其他Al(鋁)(硅)(鐵)(銅)(錳)(鎂)(鉻)(鎳)(鋅)(鈦)單個合計10700.20.250.040.030.03——0.04V:0.050.030.03—99.7—1070A0.20.250.030.030.03——0.07—0.030.03—99.7代L113700
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牌號化學成分(質量分數)(%)SiFeCuMnMgCrNiZnTi其他Al(鋁)(硅)(鐵)(銅)(錳)(鎂)(鉻)(鎳)(鋅)(鈦)單個合計1100Si+Fe:0.950.05~0.400.05———0.1①—0.050.15991200Si+Fe:1.000.050.05——0.1—0.050.050.1599鋁管/環鋁直
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牌號化學成分(質量分數)(%)SiFeCuMnMgCrNiZnTiZr其他Al(硅)(鐵)(銅)(錳)(鎂)(鉻)(鎳)(鋅)(鈦)(鋯)單個合計(鋁)20240.50.53.8~4.90.30~0.91.2~1.80.1—0.25③0.15—0.050.15餘量21240.20.33.8~4.90.30~0.91.2~1.80.1—0.25
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