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Sai Steel & Engineering Co. may be a suppliers of ASTM A 387 Grade 5 Class 2 Plates, which is broadcast worldwide. we've passed ISO 9001:2008 certification and supply ASTM A 387 Grade 5 Class 2 Plates audited ASTM A 387 Grade 5 Class 2 Plates for giant companies. Declare the standard standards of the appliance. ASTM A387 Grade 5 Class 2,Grade 9 Class 2,Grade 11 Class 2,Grade 12 Class 2,Grade 22 Class 2,Grade 91 Class 2. ASME SA387 Grade 5 Class 2,Grade 9 Class 2,Grade 11 Class 2,Grade 12 Class 2,Grade 22 Class 2, Grade 91 Class 2. EN 10028:16Mo3,13CrMo45,10CrMo910 BS 1501: 620B, 621B,622B