牌号化学成分(质量分数)(%)SiFeCuMnMgCrNiZnTiZr其他Al(硅)(铁)(铜)(锰)(镁)(铬)(镍)(锌)(钛)(锆)单个合计(铝)52510.40.50.150.10~0.501.7~2.40.15—0.15—0.15—0.050.15余量50520.250.40.10.12.2~2.80.15~0.35—0.1——
品牌: 规格: 产地: 材质:
牌号化学成分 (质量分数)(%)SiFeCuMnMgCrZnTiZr其他Al(硅)(铁)(铜)(锰)(镁)(铬)(锌)(钛)(锆)单个合计(铝)70500.120.152.0~2.60.11.9~2.60.045.7~6.7—0.060.08~0.150.050.15余量70750.40.51.2~2.00.32.1~2.90.18~0.285
品牌: 规格: 产地: 材质:
牌号化学成分 (质量分数)(%)SiFeCuMnMgCrZnTiZr其他Al(硅)(铁)(铜)(锰)(镁)(铬)(锌)(钛)(锆)单个合计(铝)70500.120.152.0~2.60.11.9~2.60.045.7~6.7—0.060.08~0.150.050.15余量70750.40.51.2~2.00.32.1~2.90.18~0.285
品牌: 规格: 产地: 材质:
牌号化学成分 (质量分数)(%)SiFeCuMnMgCrZnTiZr其他Al(硅)(铁)(铜)(锰)(镁)(铬)(锌)(钛)(锆)单个合计(铝)7A030.20.21.8~2.40.11.2~1.60.056.0~6.7—0.02~0.08—0.050.1余量7A040.50.51.4~2.00.20~0.61.8~2.80.10~0.
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