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　　Carbon steel pipe is made of ingot or solid round steel through perforation and then hot-rolled, cold-rolled or cold-drawn. Carbon steel pipe plays an important role in China's steel pipe industry. The carbon steel pipe main materials are q235, 20#, 35#, 45#, 16mn. The carbon steel pipe main implementation standards include national standard, American standard, Japanese standard, etc. The carbon steel pipe national standard also includes the Ministry of Chemical Industry standard, Sinopec pipe fittings standard, power pipe fittings standard.

　　Use of APL 5L Sch160 Seamless Carbon Steel Pipe:

　　1. Machinery industry pipes. For example, aviation structural pipe (circular pipe, elliptical pipe, flat elliptical pipe), automobile semi-axle pipe, axle pipe, automobile tractor structural pipe, tractor oil cooler pipe, agricultural machinery square pipe and rectangular pipe, transformer pipe and bearing pipe, etc.

　　2. Pipes for petroleum geological drilling. Such as: oil drilling pipe, oil drill pipe (square drill pipe and hexagonal drill pipe), drilling tap, oil pipeline, oil casing and various pipe joints, geological drilling pipe (core pipe, casing, active drill pipe, drilling tap, hoop and pin joint, etc.).

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