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　　Seamless Steel Oil Pipeline is widely used in manufacturing structural parts and mechanical parts, such as oil drill pipe, automobile transmission shaft, bicycle frame and steel scaffold used in construction moving pictures. Seamless Steel Oil Pipeline can improve the material utilization rate and simplify the production of ring parts with petroleum cracking pipe manufacturing process, saving materials and processing time, such as rolling bearing rings, Jack sets, etc., has been widely used to manufacture steel pipes. The oil cracking pipe is also an indispensable material for all kinds of conventional weapons. The barrel, barrel, etc. should be made of the oil cracking pipe. According to the shape of cross section, the oil cracking pipe can be divided into round pipe and special pipe. Because the area of the cracking pipe is the largest under the condition of the same circumference, more fluid can be transported by the ASTM A106 Sch40 Black Coating Seamless Steel Oil Pipeline.

　　Seamless Steel Oil Pipeline for petroleum cracking (gb9948-88) is a seamless steel pipe for furnace pipe, heat exchanger and pipeline of petroleum refinery.

　　Oil drilling pipe (yb528-65) is a seamless steel pipe used for internal or external thickening at both ends of oil drilling. The seamless steel oil

　　pipeline is divided into two types: Turning wire and non turning wire. The turning wire pipe is connected with joint, and the non turning wire pipe is connected with tool joint by butt welding.

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