ASTM A285M GR.B Black Seamless Steel Pipe

Product Description Carbon Seamless Steel Pipes is a kind of circular Steel Pipe with hollow section. A285M Carbon Seamless Steel Pipe is used for general structural and mechanical seamless steel pipe.   The main heat treatment methods of seamless steel tubes for steel structure include normalizing, tempering and quenching. The main purpose of heat treatment is to remove magazines, make the internal organization of the tube body more rigorous, and enhance the mechanical properties of the tube body.  Compared with solid steel such as round steel bar, Hot rolled seamless steel pipes has the same bending and torsional strength and light weight. It is an economic section steel. It is widely used to manufacture structural parts and mechanical parts, such as oil drill pipe, automobile transmission shaft, bicycle frame and steel scaffold used in construction. Manufacturing ring parts with steel pipes can improve material utilization, simplify…

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