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Galvanized Pipe / Seamless & Welded Galvanized Pipe
Welded Steel Pipe: Raw materials include hot-rolled or cold-rolled steel coils. Process involves uncoiling, leveling, high-frequency welding (HFW/SAW), sizing, and inspection. Common types: ERW and SSAW.
Seamless Pipe: Raw materials involve round billets. Process involves heating, punching, hot rolling/cold drawing, straightening, and pickling.
Hot-Dip Galvanizing (HDG): Thick zinc layer (50-200μm). Involves alkali washing, pickling, and zinc dipping at 450°C. Best for outdoor durability.
Electro-Galvanizing (EG): Thin zinc layer (5-30μm). Provides a smooth surface, ideal for precision parts or subsequent coating.
Emerging in the 1980s and officially established in 2009, our organization draws on over forty years of successful metal trading experience. Over the past decade, we have developed a comprehensive supply chain system encompassing metal trading, warehousing, logistics, processing, and distribution.
We offer one-stop solutions for global manufacturing, infrastructure, machinery, construction, fire engineering, and more than 20 steel-using industries. Our goal is to empower clients to gain competitive advantages through cost reduction and improved efficiency.
