... Steel pipe for pipelinesSY/T5037 Spiral submerged arc-welded steel pipe for pipelines for low pressure field fluid serviceSY/T 5040 Spiral submerged arc-welded steel pipe ... Q235, Q275, Q295, Q345, 08F, 08, 08AL, 08F, 10F, 10, HG5, DF08 SPHC, M8 S185, S235, S235JR, S235 G2H, S275 ... of a rotation 10 degrees at the pipeline without the utilization of any special fittings. Steel pipes are welded ...