Seamless steel pipe application

- Jul 30, 2019-

Application scope of seamless steel pipe in daily life:

1.Cold drawing or cold rolling precision seamless steel pipe (gb3639-83) is used for mechanical structure, hydraulic equipment size precision and surface smoothness of good cold drawing or cold rolling precision seamless steel pipe.The choice of precision seamless steel tube manufacturing mechanical structure or hydraulic equipment, can greatly save machining time, improve material utilization, and improve product quality.

seamless steel pipe application_副本

2. Steel pipe for geological drilling (yb235-70) is a kind of steel pipe for core drilling by geological departments. It can be divided into drill pipe, drill collar, core pipe, casing pipe and precipitation pipe.

3. Ship with carbon steel seamless steel tube (GB5213-85) is the manufacturing of ship class I pressure piping, pressure piping Ⅱ, boiler and overheating for carbon steel seamless steel tube.The working temperature of seamless steel tube wall of carbon steel does not exceed 450℃, while that of seamless steel tube wall of alloy steel does not exceed 450℃.

4. Low and medium pressure boiler seamless steel tube (gb3087-1999) is used to manufacture various structures of low and medium pressure boiler superheated steam pipe, boiling water pipe and locomotive boiler superheated steam pipe, large smoke pipe, small smoke pipe and arch brick pipe of high quality carbon structure steel hot rolling and cold drawing (rolling) seamless steel pipe.

5. High pressure tubing for diesel engine (gb3093-86) is a cold-drawn seamless steel pipe used for high pressure pipe used in diesel engine injection system.

6. Oil drilling pipe (yb528-65) is a seamless steel pipe used for thickening inside or outside both ends of oil drilling.Steel pipe can be divided into wire and wire two, wire pipe joint, wire pipe butt welding method and tool joint.

7. Seamless steel tube for structure (GB/ t8162-1999) is used for general structure and mechanical structure of seamless steel tube.

8. High pressure seamless steel pipe for fertilizer equipment (gb6479-2000) is suitable for chemical equipment and pipes with working temperature of -40~400℃ and working pressure of 10~30Ma.

9. Precision seamless steel tube with internal diameter for hydraulic and pneumatic cylinders (gb8713-88) is a kind of precision cold-drawn or cold-rolled seamless steel tube with internal diameter for hydraulic and pneumatic cylinders.

10. Seamless steel pipe for diamond core drilling (gb3423-82) is the seamless steel pipe for drill pipe, core bar and casing of diamond core drilling.

11. Seamless steel tube for high pressure boiler (gb5310-1995) is used for manufacturing high pressure and above water tube boiler heating surface of high quality carbon steel, alloy steel and stainless heat resistant steel seamless steel tube.

12.Seamless steel tube (gb3088-82) is a kind of high quality carbon structural steel and alloy structural steel hot-rolled seamless steel tube which is used to manufacture automobile semi-axle tube and drive axle tube.

13. Seamless steel pipe for petroleum cracking (gb9948-88) is suitable for furnace pipes, heat exchangers and pipelines in petroleum refineries.

14. Seamless steel tube for fluid transportation (GB/ t8163-1999) is a general seamless steel tube for water, oil, gas and other fluids.

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