When purchasing special-shaped pipes, you should observe whether there are cracks, scars, etc. on the surface of the seamless steel pipe. Observe whether the paint on the surface of the special-shaped pipe is even.
GNEE Group produces special-shaped pipes in accordance with international standards and conducts product quality testing in accordance with national standards.
Specifications of special-shaped pipes Special-shaped pipes have different specifications depending on their uses and functions. For example: seamless steel pipes for structures (GB/T8162-2008), special-shaped pipes for fluid mechanics transportation (GB/T8163-2008), special-shaped pipes for low- and high-pressure heating furnaces (GB3087-2008), special-shaped pipes for high-pressure boilers (GB5310- 2008), special-shaped pipes for crude oil cracking (GB9948-2006), special-shaped pipes for automobile half-shaft casings (GB3088-82), etc.
