Cold-drawn seamless steel pipes and tubing for power

Cold-drawn Seamless Steel Pipes Delivery Status Description: (www.honrypipe.com/266/cold-drawn-seamless-steel-pipe.html)

1.Cold / hard (hard-drawn or cold-rolled state) - cold-finished steel after final heat treatment is not only a very small processability. The scope of its processing can not give guarantees;+C
2.Cold / soft (slightly cold) - Steel In the final heat treatment, with a minor cold, can be a certain degree of cold deformation, such as the bending, expanded tube;+LC
3.Stress Relief Annealing - steel pipe in the final cold after annealing below the A point, in order to eliminate cold stress;+A