Large diameter spiral steel pipe in big size. It is the steel belt bending molding and then welded up, made into a specified size of large-caliber spiral steel pipe, and processed into a pipe, to carry out hydraulic testing, bending, flattening, and other tests, and according to the customer's requirement to customize service.
Product name: large diameter spiral steel pipe
Standard: ASTM A252
Application: Low-pressure liquid delivery project