... , X46, X56, X65, X70, L235 Q235B, Q295B, Q345BStandard: API 5L, SY/T 5037, GB/T 9711 Material: X42, X52, X46, X56 ... , X65, L235 Q235B, Q295B, Q345B, Standard: API 5L, SY/T 5037, GB/T 9711 219-2420mmSpiral Welded Pipe 1 ... , X56, X65, L235, Q235B, Q295B, Q345B,2) Standard: API 5L, SY/T 5037, GB/T 97113) Diameter: 219-3600mm Length: As ...