Straight Seam Galvanized Welded Steel Pipe

The production process of galvanized straight seam steel pipe: plate inspection--milling--pre-bending--forming--pre-welding--inner welding--outer welding--ultrasonic inspection Hot-dip galvanizing is to pickle the steel pipe first, in order to Remove the iron oxide on the surface of the steel pipe, after pickling, wash it in an ammonium chloride or zinc chloride aqueous solution or a mixed aqueous ammonium chloride and zinc chloride aqueous solution tank, and then send it to a hot-dip coating tank. Galvanized straight seam steel pipes are widely used. In addition to being used as pipeline pipes for general low-pressure fluids such as water, gas, and oil, they are also used as oil well pipes and oil pipelines in the petroleum industry, especially in offshore oil fields, and oil heaters for chemical coking equipment. Pipes for condensing coolers, coal distillation washing oil exchangers, trestle piles, and supporting frames for mine tunnels, etc.

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