What are the uses of seamless steel pipes

What are the uses of seamless steel pipes

What are the main uses of seamless steel pipes?
1. Seamless steel pipe for structure (GB/T8162) is used for general structure and mechanical structure.

2. Seamless steel pipe for fluid transportation (GB/T8163) is used to transport water, oil, gas and other fluids.

3.Seamless steel pipes for low and medium pressure boilers (GB3087) are high-quality carbon structural steel hot-rolled and cold-drawn (rolled) seamless steel pipes used to manufacture superheated steam pipes, boiling water pipes for low and medium pressure boilers of various structures, and superheated steam pipes for locomotive boilers, large smoke pipes and small smoke pipes.

4. Seamless steel pipes for high-pressure boilers (GB5310) are high-quality carbon steel, alloy steel and stainless heat-resistant steel seamless steel pipes for the heating surface of water-tube boilers with high pressure and above.

5. High-pressure seamless steel pipes for fertilizer equipment (GB6479) are high-quality carbon structural steel and alloy steel seamless steel pipes suitable for chemical equipment and pipelines with a working temperature of -40 to 400℃ and a working pressure of 10 to 30 Ma.

6. Seamless steel pipes for petroleum cracking (GB9948) are suitable for furnace tubes, heat exchangers and pipelines in petroleum refineries.

7. Steel pipes for geological drilling (YB235) are used for core drilling by geological departments. They can be divided into drill pipes, drill collars, core pipes, casing pipes and sedimentation pipes according to their purposes.

8.Seamless steel pipes for diamond core drilling (GB3423) are for drill pipes, core rods, and casings used for diamond core drilling.

9. Petroleum drilling pipe (YB528) is a seamless steel pipe used for thickening inside or outside at both ends of oil drilling. There are two types of steel pipes: wire and non-wired. Wired pipes are connected by joints, and non-wired pipes are connected with tool joints by butt welding.

10. Carbon steel seamless steel pipes for ships (GB5213) are used in the manufacture of Class I pressure piping systems, Class II pressure piping systems, boilers and superheaters. The working temperature of the carbon steel seamless steel pipe wall does not exceed 450℃, and the working temperature of the alloy steel seamless steel pipe wall exceeds 450℃.

11. Seamless steel tubes for automobile axle sleeves (GB3088) are high-quality carbon structural steel and alloy structural steel hot-rolled seamless steel tubes for the manufacture of automobile axle sleeves and drive axle axle tubes.

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