1. Structural seamless steel pipe (GB/T8162-1999): mainly used for general structure and mechanical structure.
2. Seamless steel pipe for conveying fluid (GB/T8163-1999): mainly used for conveying pipelines. For example central air conditioning, cold storage, gas, fire engineering, etc.
3. Seamless steel pipes for low and medium pressure boilers (GB3087-1999): mainly suitable for superheated steam pipes, boiling water pipes, and other pressure and heated pipe fittings for low and medium pressure boilers.
4. Precision inner diameter seamless steel tubes for hydraulic and pneumatic cylinders (GB/T8713—1988): mainly used for the manufacture of hydraulic and pneumatic cylinders and other pipe fittings that require high roughness on the internal and external surfaces and precise internal and external dimensions. For example jacks, shock absorbers, motor casings, cylinders, injection molding machinery, etc.
5. Cold-rolled seamless special-shaped steel pipe (GB/T3094-1999): mainly used for the manufacture of general structural parts.
6. Carbon steel seamless steel pipes for ships (GB/T5312-1999): mainly used for the manufacture of Class 1 and Class 2 pressure pipes for ships.
7. Bearing steel pipe (YB/Z12-77): mainly used to manufacture rolling bearing rings.
8. Cold-drawn precision welded pipe: mainly used for bicycle pipe materials.
Post time: Aug-11-2023