Product Description Oilfield casing pipes/carbon seamless steel pipe/oil well drilling tubing pipe Low Carbon ERW welded Black Welded Steel Pipe * Taking advantage of electromagnetic induction heating to dissolve the steel pipe * The welding layer of steel pipe is uniform and ...
4inch Seamless Steel Pipe ASTM A106 Grade B is formed by drawing a solid billet over a piercing rod to create the hollow shell, without welding or seam. It is suitable for bending and flanging. The most advantage is increasing the ability of withstanding higher pressure. So it ...