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
品牌: 規格: 產地: 材質:
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
品牌: 規格: 產地: 材質:
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
品牌: 規格: 產地: 材質:
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
品牌: 規格: 產地: 材質: