Distinction of pipe forming for API 5L grade BN

Though they are API 5L grade BN ERW steel pipe, it is no doubt that they will have difference due to the different type of pipe. Thus, this would lead to the diversity over starting material, pipe forming and pipe heat treatment.

Three types of pipe, SMLS, HFW, and SAW or COW pipe, would have different performance with different starting material of ingot, bloom or billet, normalizing-rolled strip and so on. Of course, there is also different pipe forming too. For details, we can see them in the following list. As supplier of steel pipe, we shall provide API 5L Steel Pipe with grade of PSL1 and PSL2.