... , St13, St14, St33, St37, St44, ST52 API 5L: A, B, X42, X46, X52, X56, X60, X65 X70 GB/T9711: L175, L210, L245, L290 ... torch cut). or beveled for welding, beveled, Surface: Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust ...