spiral weld carbon steel pipe 1. Grade: Q345B, API X42 - X80, ... , L555, J55, N80 2. Standard: SY/T5037-2000, GB/T Spiral weld carbon steel pipeSSAW (Spirally Submerged Arc Welding) pipes are ... . 2,000kg with several steel strips, wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips, Plastic caps or ...