spiral weld carbon steel pipe 1. Grade: Q345B, API X42 - X80, L245, L555, J55, N80 ... , GB/T9711.1-97, API Spec 5LSpecification of SSAW Steel Pipe:1. Outside Diameter: 219~2420mm,2. Wall Thickness: 5-20mm ... -97, API Spec 5L6. Packing: Plastic plugs in both ends, Hexagonal bundles of max. 2,000kg with several steel strips, wrapped ...