alloy steel sheet Dimension:Thickness-6-150mm; Width-1150-3700mm; Length-3000~18000mm Quantity: 1000mt alloy steel sheetSpecs: Q235A, SS400, A36, SM400A, St37-2, 10-50#, S35-45C, 20Mn, 50Mn, 102510#(Sspecial)Pretreatment: TMCP, Q&T, N, AR, CR, A, QServices: Cutting, Welding, Z15, Z25, Z35, Qt, N, Q, AFlaw-Detection Grade1, Flaw-Detection Grade2, Flaw-Detection Grade3Grade: A, B, C, D, Warranty:GB ...