1, Steel plate 1020 2, Low Carbon Steel 3, high hardness and plasticity 4, ... Sichuan Liaofu Special Steel Trading Co., Ltd.Alloy Structural SteelAISI 1020/GB 20Dimension:Flat steel: thickness:10mm~90mm; width: 60mm~610mm ... Steel Trading Co., Ltd.Alloy Stuctural Steel 1, Grade: AISI 1020/GB 202, Chemical compositionCSiMnPSNiCrCu0.17~0.230.17~0.370 ...