QWG(LZ)14-2004 汽车车箱用冷轧薄钢板和钢带

Q/WGQ/WG(LZ)14-20042004-12-282005-01-03Q/WG(LZ)14-2004IQ/WG(LZ)14-20041Q/WG(LZ)14-20042CSiMnPSQG400.090.150.250.550.120.300.0350.040a)ReLN/mm2RmN/mm2A%180B25mmd—a—QG4023539027d=0.5a,11()GB/T222GB/T433621GB/T2975GB/T22831GB/T2975GB/T23245Q/WG(LZ)14-20043