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)50820.20.350.150.154.0~5.00.15—0.25—0.1—0.050.15餘量51820.20.350.150.20~0.504.0~5.00.1—0.25—0.1—0.05
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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)5A020.40.40.1或Cr2.0~2.8———Si+Fe:0.60.15—0.050.15餘量0.15~0.40主要合號狀態外徑MM壁度MM
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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)50860.40.50.10.20~0.73.5~4.50.05~0.25—0.25—0.15—0.050.15餘量鋁管/環鋁直管純鋁及鋁合金材(100
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