... pipe : 1 Standard: GB/T8162 ASTM A53, ASTM A106, ASTMA519, ASTMA252, DIN1629, JIS G 3441, EN 1021 GB/T8162 Structural Seamless pipe ... :1 Standard: GB/T8162 ASTM A53, ASTM A106, ASTMA519, ASTMA252 ... China.Advantage:Our company is located in Cangzhou city near Tianjin port. All the products can be conducted different tests including ...