... /A53, JIS, DIN 3: ISO9001 SGS,API 8" astm a106 gr.b galvanized steel pipe 1.Specification Type Galvanized Steel PipePipe Size1 ... G3456,JIS G3457,JIS G3461MaterialQ235, 20#, Q345A53B, A106B, API 5L B,X42,X46,X52,X60, X65ST37.0,ST35.8,St37.2 ... Steel Pipe Co.,LtdContact:sales @ honrypipe.com 8" astm a106 gr.b galvanized steel pipe