... ,JIS G3455,JIS G3456,JIS G3457,JIS G3461MaterialQ235, 20#, Q345A53B, A106B, API 5L B,X42,X46,X52,X60, X65ST37.0,ST35 ... galvanized, cold galvanized, 3PE,etc.PackagePlastic caps on both ends, Steel bundle, Woven bag or acc. to customers' requestCertificateISO9001:2008, SGS ... experience, sincere service4. Reliable forwarder, 2-hour away from port. ASTM A 53 hot-rolled seamless steel pipe