API 5L GR B ASTM A53 GR B A106 GR B seamless steel pipe

As compared with the solid steel circular flexure A53 ASTM wrest resistant steel, in the same intensity, lightweight, is a kind of economic section steel, are widely used in the manufacturing of structural and mechanical parts, such as oil pipe, auto transmission shaft, bicycle racks and construction of steel scaffolding, etc. With ASTM A53 steel pipe manufacturing annular parts, it can improve material utilization, simplified manufacturing processes, saving material and processing time. Now, a lot of mechanical products have been widely used the pipes to make such as rolling bearing collar, jack sets etc. Various steel or conventional weapons indispensable materials, gun barrels, are to make steel.