How to buy welded steel pipes?

The welded steel pipe refers to a steel pipe which is welded and formed into a shape of a circle or a square by bending a steel strip or a steel plate, and has a seam on the surface thereof.

What is Killed Carbon Steel for Piping Material?

During steel manufacturing, oxygen is forcibly injected into it to ledel. The oxygen combines with excess carbon and is released as a gas. Excess oxygen is, however, unavoidably left in the molten steel. This results in the formation of oxide…