... , N80 2. Standard: SY/T5037-2000, GB/T Spiral weld carbon steel pipeSSAW (Spirally Submerged Arc Welding) pipes are made from hot ... pipes, customers can always find what they need. 1. Material: carbon steel2. Grade: Q345B, API X42 - X80, L245, L555, J55, N803 ... . Outside Diameter: 219~2420mm,2. Wall Thickness: 5-20mm,3. Length: 3-12m4. Steel Grade: Q345B, API X42 - X80, L245, L555,J55, N805 ...