... Pipe Standard:API 5L,ASTM A106/A53, Size:OD 1/4"-48", WT 1.24mm-60 Material:GrA, GrB,X42 Kingmetal resources co ... .,ltd can supply high quality SEAMLESS STEEL PIPES API 5L/ ASTM A106, GR.BStandardASTM A106/ASTM A 53 ... Other standard:API 5L, API SPEC5CT,ASTM A106,ASTM A 53,ASTM A210,ASTM A213,ASTM A179,ASTM A192,ASTM A252,ASTM A500, DIN 1629/2391/17172, JIS ...