SEAMLESS STEEL PIPE APPLICATION CLASSIFICATION

1 seamless steel tube structure (GB/T8162-1999) is used for general structure and mechanical structure of seamless steel pipe.
2 seamless steel pipe (GB/T8163-1999) is used for conveying water, oil, gas and other general seamless steel pipe.
3. For low and medium pressure boiler seamless steel pipe (GB3087-1999) is used in the manufacture of various structural low and medium pressure boiler superheated steam tube, boiling water pipe and locomotive boiler superheated steam pipe, opium pipe, small pipe and brick works quality carbon structural steel hot-rolled and cold drawn (rolling) seamless steel tube arch.
4. For high pressure boiler seamless steel pipe (GB5310-1995) is for manufacturing high and higher pressure pipe for heating surface of boiler quality carbon steel, alloy steel and stainless heat-resistant steel seamless steel pipe.
5 high pressure seamless steel pipe (GB6479-86) for chemical fertilizer equipment is a high quality carbon structural steel and alloy steel seamless steel pipe, which is suitable for the high quality carbon structural steel and alloy steel, -40~400, and 10~30Ma.
6 seamless steel tubes (GB9948-88) for petroleum cracking are furnace tubes, heat exchangers and pipe seamless steel tubes for petroleum refineries.
7. Geological drilling with steel tube (yb235-70) is for the Geological Department of the core drilling using steel pipe, according to use can be divided into the drill pipe, drill collar, core pipe, casing and sedimentation tubes.
Seamless steel pipe (GB3423-82). The diamond core drilling is used for seamless steel tube diamond core drilling and drill pipe, Yan Xingan, casing of the.
9 oil drilling pipe (YB528-65) is a seamless steel pipe, which is used in both ends of the oil drilling to be thickened or thickened. Sub car steel wire and wire the two cars, car fittings connecting wire tubes, the methods and tools of threading work butt joint.
10. The ship with carbon steel seamless steel pipe (GB5213-85) is producing ship class I pressure piping, II level pressure piping system, boiler and Superheater Tubes Standard Specification for carbon steel seamless steel pipe. Carbon steel seamless steel pipe wall temperature does not exceed 450 degrees, alloy steel seamless steel pipe wall temperature exceeding 450 DEG C.
11. Automobile half shaft sleeve pipe seamless steel pipe (gb3088-82) is the manufacture of automobile axle casing and driving axle shells effective quality carbon structural steel and alloy structural steel hot-rolled seamless steel tube.