cold drawn seamless carbon steel has hollow section, which is widely used as the pipeline for transporting fluid, such as oil, natural gas, water and some solid materials. It is a kind of economic section steel, which is widely used to manufacture structural parts and mechanical parts, such as oil drill pipe, automobile transmission shaft, bicycle frame, steel scaffold used in construction and so on. It can improve the utilization rate of materials, simplify the manufacturing process, and save materials and processing time. For example, rolling bearing ring, jack sleeve, etc., it has been widely used to manufacture steel pipes.
The main products: low-temperature pipe, steel pipe, high pressure boiler tubes, oil cracking pipe, high pressure fertilizer, line pipes, oil pipes, steel pipes, stainless steel plate, bar, and large-diameter seamless steel tubes.
Standing resources： 15CrMoG(STFA22 STPA22 STBA22 T12 P12)、1Cr5Mo（STFA25、STPA25、STBA25、P5、T5）、12Cr1MoVG、10CrMo910（P22）、P11、P91、12Cr2MoWVTiB(R102)、A333 Gr6、16MnDG、10MnDG、09DG、A106B/C、A53B、API 5L、ST45.8-III、SA210-C、20#etc.
The main performance standards: ASTM A333 seamless steel low temperature, GB18984 cryogenic seamless steel pipe, ASTM A335 high-temperature alloy steel seamless pipe, ASTM A106 high temperature seamless steel tubes, GB8162-2008 seamless structure, transmission fluid with no the slit pipe, the low pressure in the boiler tubes, petroleum cracking GB9948-2006 seamless steel, seamless steel high pressure boiler, high pressure chemical fertilizer equipment seamless steel pipes.
Applications: petroleum (refining) industry, power industry, chemical industry, boiler industry, paper industry, pipe fittings manufacturing.
Mission: honesty, genuine, high-quality, zero the whole supply
For structure) is a seamless steel pipe for general structure and mechanical structure.
2. No for fluid transportation) is a general seamless steel pipe used to transport water, oil, gas and other fluids.
3. Seamless steel tubes for low and medium pressure boilers are high-quality carbon structural steel hot-rolled and cold drawn (rolled) seamless steel tubes used to manufacture superheated steam tubes, boiling water tubes, superheated steam tubes, large smoke tubes, small smoke tubes and arch brick tubes for various structures of low and medium pressure boilers.
4. Seamless steel tube for high pressure boiler (GB5310-1995) is a high-quality carbon steel, alloy steel and stainless heat-resistant steel seamless steel tube used for the heating surface of water tube boiler with high pressure and above.
5. The chemical fertilizer equipment is made of high-quality carbon structural steel and alloy steel seamless steel pipe suitable for chemical equipment and pipeline with working temperature of - 40 ~ 400 ℃ and working pressure of 10 ~ 30 ma.
6. For petroleum cracking, it is the seamless steel tube for furnace tube, heat exchanger and pipeline of petroleum refinery.
7. The steel pipe for geological drilling (yb235-70) is a steel pipe for geological department to drill core. It can be divided into drill pipe, drill collar, core pipe, casing and settling pipe according to its use.
8. Seamless steel pipe for diamond core drilling (gb3423-82) is a seamless steel pipe for drill pipe, core rod and casing used for diamond core drilling.
9. Oil drilling pipe (yb528-65) is a seamless steel pipe used for internal or external thickening at both ends of oil drilling. The steel pipe is divided into two types: Turning wire and non turning wire. The turning wire pipe is connected with joint, and the non turning wire pipe is connected with tool joint by butt welding.
10. Carbon steel seamless steel for ships is the carbon steel seamless steel pipe for manufacturing class I pressure pipe system, class II pressure pipe system, boiler and Superheater of ships. The working temperature of carbon steel seamless steel pipe wall shall not exceed 450 ℃, and that of alloy steel seamless steel pipe wall shall exceed 450 ℃.
11. The automobile axle sleeve pipe is a high-quality carbon structural steel and alloy structural steel hot-rolled seamless steel pipe for the manufacture of automobile axle sleeve and driving axle shell shaft pipe.
12. High pressure for diesel engine is a cold drawn seamless steel pipe for manufacturing high pressure pipe of diesel engine injection system.
13. Precision inner for hydraulic and pneumatic cylinder is a cold drawn or cold-rolled precision seamless steel pipe with precise inner diameter for manufacturing hydraulic and pneumatic cylinder.
14. Cold drawn or cold-rolled precision seamless steel pipe is a kind of cold drawn or cold-rolled precision seamless steel pipe with high dimensional accuracy and good surface finish for mechanical structure and hydraulic equipment. Choosing precise seamless steel tube to manufacture mechanical structure or hydraulic equipment can greatly save machining time, improve material utilization rate and improve product quality.
15. Stainless steel seamless steel pipe for structure (GB / T14975-2002) is a hot-rolled (extruded, expanded) and cold drawn (rolled) seamless steel pipe made of stainless steel, which is widely used in chemical, petroleum, textile, medical, food, machinery and other industries for corrosion-resistant pipes, structural parts and components.
16. Stainless steel seamless steel pipes for fluid transportation are hot-rolled (extruded, expanded) and cold drawn (rolled) seamless steel pipes made of stainless steel for fluid transportation.
17. Special shaped seamless steel pipe is the general term of seamless steel pipe with other cross-section shapes except round pipe.