Steel strip selection: Choose the steel strip material based on the application of the steel pipe.
Keywords:
Hot-dip galvanized steel strip
Descriptions
Base material type: Hot-dip galvanized steel strip is continuously certified (thickness: 0.8 mm – 3.0 mm). A layer of pure zinc (partially containing a zinc-iron alloy layer) with a thickness ranging from 10 micrometers to 50 micrometers has been pre-formed on the surface of the steel strip. The quality of the zinc coating shall comply with the standard GB/T 2518-2019 «Continuous Hot-Dip Galvanized Steel Sheets and Strips Coated with Zinc-Alloy».
Steel Strip Selection: Choose the steel strip material based on the application of the steel pipe (mostly low-carbon steels Q195 and Q235). Low-carbon steel has good weldability and ductility, making it suitable for rolling into a circular shape. At the same time, select the zinc coating thickness according to the service environment (typically 10 to 20 micrometers under normal conditions, and 30 to 50 micrometers in cases of mild corrosion).
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