API LINE PIPEStandards:API 5L,Grades: A, B, X42, X46,X52, X56,X60Other steel grade is available ... per clients requiremt API LINE PIPEStandards:API 5L,Grades: A, B, X42, X46,X52, X56,X60Other steel grade is available ... /ERW STEEL PIPE· Material : API 5L Gr. B X42 X52 X60 X65· Specification : 168.28*7.11mm , bevelde ends , varnishing , protected ... goods . e.g "SGS" API 5L steel pipe Gr. B X42 X52 X60 X65