Process: The steel sheet is immersed in molten zinc (450-460°C), resulting in a zinc layer thickness typically 50-200g/㎡.
Features: Uniform zinc layer, strong adhesion, and excellent corrosion resistance (suitable for outdoor applications).

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According to different welding methods, it can be divided into arc welding pipe, high frequency or low frequency resistance welding pipe, gas welding pipe, furnace welding pipe, Bondi pipe, etc.