... pipe 1) standard:ASTM ,API,DIN,ANSI 2) material,GR.B,API 5L, 2) OD:10.3-813mm 3) WT:4 ... Seamless steel pipe1) standard:ASTM ,API,DIN,ANSI2) material,GR.B,API 5L,2) OD:10.3-813mm3) WT:4-60mmProduct ... after received the advanced paymentAdvantageHe Bei Xiang He Steel pipe Trade Co. Ltd has recently brought into a set of hot rolled ...