Spiral steel pipe itself has no life limit, and the service life is mainly related to the operating environment and production process. Spiral steel pipe operating environment is relatively poor In order to extend the service life, the oute.
Wall thickness: 1.8-30mm
|Standard||ASTM,DIN,GB,JIS,API 5L,API5 CT|
|Usage Range||1.structral pipe|
|4.oil or gas transportation pipe|
|6.petroleam chemical pipe and so on|