... :tianjinjianghailongsteel 4)Quality is our life. API 5L 5CTsteel pipe BV CERTIFICATE PRODUCTS IN STOCKAPI SPEC 5LSpecifications Ranges:OD: ... SCH10-SCH80 (0.5mm-40mm) Material Standard:PSL 1: A25, A, B, X42, X46, X52, X56, X60, X65, X70PSL 2 ... ,NUE,PASTM A500 Gr. A,B,C,DASTM A53 Gr. A,B ASTM A106 Gr. A,B,C91ASTM A335 Gr. ... T4,T5,T7,T9,T11,T21,T22,T91ASTM A210 Gr. A-1, CASTM A209 Gr. T1,T1a,T1bASTM A519 Gr ...