1. seamless steel tubes for structural purposes are seamless steel tubes for general structural and mechanical structures.
2. seamless steel pipe for fluid transportation is a common seamless steel pipe for transporting water, oil, gas and other fluids.
3. low medium pressure boiler seamless steel pipe is used to make hot and cold (rolled) seamless steel pipes for superheated steam pipes, boiling water pipes and locomotive boilers for all kinds of low medium pressure boiler, superheated steam pipes, large smoke pipes, small smoke pipes and arch brick pipes.
4. seamless steel pipe for high pressure boiler is high quality carbon steel, alloy steel and stainless steel seamless steel tube used for the heating surface of water pipe boilers with high pressure and above pressure.
5. high pressure seamless steel pipe for chemical fertilizer equipment is high quality carbon structural steel and alloy steel seamless steel pipe suitable for chemical equipment and pipes with working temperature of -40~400 C and working pressure of 10~30Ma.
6. seamless steel tubes for petroleum cracking are seamless tubes for furnace tubes, heat exchangers and pipes for petroleum refineries.
7. the steel pipe for geological drilling is a steel pipe used for core drilling by geological departments. It can be divided into drill pipe, drill collar, core tube, casing and sedimentation pipe.
8. the seamless steel tube used for corundum core drilling is a seamless steel pipe for drill pipe, core rod and bushing for diamond core drilling.
9. the oil drilling pipe is a seamless steel pipe used for thickening or thickening of oil drilling ends. There are two kinds of steel pipe split and no wire. The connection between the wire and the pipe is connected with the tool joint.
10. the marine carbon steel seamless steel pipe is a seamless steel pipe made of marine I grade pressure resistant piping, grade II pressure resisting pipe system, boiler and superheater. The working temperature of carbon steel seamless steel tube wall is not more than 450 C, and the working temperature of alloy steel seamless steel tube wall is over 450 C.
11. seamless steel pipe for automobile semi axle sleeve pipe is a high quality carbon structural steel and alloy structural steel hot rolled seamless steel tube used for the automobile semi axle casing and the axle tube of the drive bridge.
12. the high pressure oil pipe for diesel engine is a cold drawn seamless steel pipe used for making high pressure pipe of diesel injection system.
13. the precision inner diameter seamless steel pipe for hydraulic and pneumatic cylinders is a cold drawn or cold rolled precision seamless steel pipe with precision inner diameter for hydraulic and pneumatic cylinders.
14. cold drawn or cold rolled precision seamless steel tubes are cold drawn or cold rolled precision seamless steel tubes for mechanical structure and hydraulic equipment with high dimensional accuracy and good surface finish. The use of precision seamless steel pipe to make mechanical structure or hydraulic equipment can greatly save the time of machining, improve the utilization of materials, and improve the quality of the products.
15. stainless steel seamless tubes are hot rolled (extruded, expanded) and cold drawn (rolled) seamless steel tubes, which are widely used in the chemical, petroleum, textile, medical, food, machinery and other industries.
16. stainless steel seamless pipe for fluid transportation is hot rolled (extruded, expanded) and cold drawn (rolled) seamless steel pipe made of stainless steel for conveying fluid.
Huzhou Zhongrui Precision Technology Co.,Ltd
Add: Huicheling Industrial Zone, Heping, Changxing, Huzhou, Zhejiang
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