[Wholesale High quality Section ShapeTreatment GB Standard Q345A Q345B Shaped seamless steel tube
Hot-dip galvanized square tube is made of steel plate or steel belt after crimping forming welded square tube in hot dip galvanized pool through a series of chemical reaction forming square tube;Can also be hot rolled or cold rolled galvanized steel strip after cold bending, and then high-frequency welding of a hollow square section steel pipe.The production process of the pipe is simple, high production efficiency, variety of specifications, less equipment, but the general strength is lower than seamless square pipe.
Hot-dip galvanized square pipe has good strength, toughness, plasticity and welding process performance and has good ductility, its alloy layer and steel base firmly attached, so hot-dip galvanized square pipe can be cold punching, rolling, drawing, bending and other molding without damage to the coating;Suitable for general processing such as drilling, cutting, welding, cold bending and other processes.The surface of hot dip galvanized parts is bright and beautiful, and can be directly used for engineering according to demand.
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