1. Structural seamless steel pipe is used for general structure and mechanical structure of the seamless steel pipe.
2. Fluid transportation with seamless steel pipe is used to transport water, oil, gas and other fluids in general seamless steel pipe.
3. Low and medium pressure boiler seamless steel pipe is used to manufacture all kinds of low and medium pressure boiler overheating
Steam pipes, boilers and motor boilers with hot steam pipes, large smoke pipe, small smoke pipe and arch brick with high-quality carbon structural steel hot-rolled and cold drawn (rolling) seamless steel pipe.
4. High-pressure boiler seamless steel pipe is used to manufacture high pressure and above the pressure of the water pipe boiler heating surface with high-quality carbon steel, alloy steel and stainless steel heat-resistant seamless steel pipe.
5. High-pressure seamless steel pipe is suitable for working temperature of -40 ~ 400 ℃, the working pressure of 10 ~ 30Ma chemical equipment and pipeline of high-quality carbon structural steel and alloy steel seamless steel pipe.
6. Seamless steel pipe for petroleum cracking is a furnace tube, heat exchanger and pipe seamless steel pipe for petroleum refineries.
7. Geological drilling steel pipe is used for the geological sector for the use of core drilling steel pipe, according to the use can be divided into drill pipe, drill collar, core tube, casing and sedimentation tube.
8. Diamond core drilling with seamless steel pipe is used for diamond core drilling drill pipe, core rod, casing seamless steel pipe.
9. Oil drilling pipe is used for oil drilling at both ends of the thickening or thickening of the seamless steel pipe. The steel pipe is divided into two kinds of wire and no wire, and the wire tube is connected with the joint.
10. Marine carbon steel seamless steel pipe is the manufacture of ship Class I pressure pipe system, Ⅱ pressure pipe system, boiler and superheater with carbon steel seamless steel pipe. Carbon steel seamless steel pipe wall temperature does not exceed 450 ℃, alloy steel seamless pipe wall temperature of more than 450 ℃.
11. Seamless steel pipe for automobile axle casing is made of high quality carbon structural steel and alloy structural steel hot-rolled seamless steel pipe for manufacturing automobile axle casing and driving axle axle housing.
12. Diesel engine with high-pressure tubing is the manufacture of diesel engine injection system for high-pressure pipe with cold drawn seamless steel pipe.
13. Hydraulic and pneumatic cylinder with precision diameter seamless steel pipe is the manufacture of hydraulic and pneumatic cylinder with precision diameter of the cold drawn or cold rolled precision seamless steel pipe.
14. Cold drawn or cold rolled precision seamless steel pipe is used for mechanical structure, hydraulic equipment, high dimensional accuracy and good surface finish cold drawn or cold rolled precision seamless steel pipe.
15. Structural stainless steel seamless steel pipe is widely used in chemical, petroleum, textile, medical, food, machinery and other industries of corrosion-resistant pipes and structural parts and parts made of stainless steel hot rolling (extrusion, expansion) and cold (Rolling) seamless steel pipe.
16. Stainless steel seamless pipes for fluid delivery are hot rolled (extruded) and cold drawn (rolled) seamless steel tubes made of stainless steel for conveying fluids.
17. Shaped seamless steel pipe is in addition to the tube other than the cross-sectional shape of the general name of the seamless steel pipe. According to the different shape and size of steel pipe pipe can be divided into different thickness of seamless steel pipe, ranging from wall thickness Shaped seamless steel pipe, variable diameter Shaped seamless steel pipe. Shaped seamless steel tubes are widely used in various structural parts, tools and mechanical parts. Compared with the tube, the special-shaped tube generally have a larger moment of inertia and cross-section modulus, a greater bending and torsion ability, can greatly reduce the weight of the structure, saving steel.
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