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G.I Pipe
ASTM A53 Galvanized Steel Pipe
Hot Dip Galvanized Round Steel Pipe GI Pipe
CREDIT STEEL INDUSTRIAL has 4 factorys, which located in Tianjin city and Heibei province, boasts its more than 500 staffs; professional technicians more than 100 people; owned 12 advanced production lines, full of inspection equipments and supporting energy saving facilities.
Welded steel saw spiral pipe adopts double-sided submerged arc spiral welding technology, which is continuous welding of narrow strip (plate) coil.
The mechanical properties of large diameter spiral steel pipe is to ensure the final performance of steel, mainly depends on the chemical composition of the steel and heat treatment system.
Spiral steel pipes should be tested for mechanical properties, flattening and flare before leaving the factory, and must meet the requirements of the standard.
