... GR.B Carbon Steel Pipe Standard:API 5L,ASTM A106/A53, Size:OD 1/4"-48", WT 1.24mm- ... also can supply 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 ... ,A106,A210,A179,A192,Q195,Q235,Q215 Size 1/4" to 48"(OD 13.7--1219MM) Lenght2-20m random or fixed ...