... 3.considerate service 4. high quality & competitive price API 5L X42 Steel Pipe MaterialCarbon Steel, Stainless Steel, Alloy ... PipeStandardASTM, DIN, GB, BS, JIS, ASME, API, AISI,, ANSIGradeA333 GR3,GR6A335 P5,P9,P11,P12, ... 16Mn, A106(B,C), 45#, API J55, API K55, St52, Q215, API N80, St37, API L80, API P110, St42, St45, St52.4API 5L A ... bulk or according to customers' requirements. API 5L X42 Steel Pipe