Galvanized steel pipes are divided into hot dip galvanized and cold galvanized.
Hot-dip galvanizing is the process of immersing test tubes in a high-temperature zinc bath to allow the zinc to penetrate into the steel surface. The surface of the pipe has a thicker zinc layer, and its corrosion resistance is higher than cold-dip galvanizing. Of course, the price is also higher than cold dip zinc. In fact, cold dip galvanizing is an electro-galvanized pipe. The zinc layer adheres to the surface of the pipe through a electroplating chemical reaction, but the zinc layer is thin and easily peels off. cheap price. Both prices are higher than ordinary steel pipes. After special spraying on the surface of galvanized pipes, its corrosion resistance is dozens of times higher than that of iron pipes.
The difference between galvanized steel pipe and ordinary spiral steel pipe
Ordinary steel pipes have worse corrosion resistance than galvanized steel pipes. Galvanizing refers to galvanizing the surface of steel pipes. It can be welded pipe or seamless pipe. Seamless refers to the manufacturing process of steel pipes with welds and no seam points. Galvanized pipes are corrosion-resistant, seamless pipes can withstand higher pressures, and galvanized steel pipes are less likely to rust due to the protection of zinc. Galvanized pipe is lighter than seamless pipe. If used on a balcony, it is best to use galvanized light pipes. Seamless steel pipes are not suitable for balconies. Due to the large wall thickness of seamless steel pipes, they are naturally heavy and the cost of seamless steel pipes is higher than that of galvanized pipes. Galvanized pipes are very durable and have a service life far longer than seamless pipes. If the quality is too good, it shouldn't be a problem for more than 20 years. Of course, the welding and painting must be done well and will not affect the service life of the galvanized steel pipe.
The main differences between galvanized steel pipes and ordinary steel pipes are:
1. Manufacturing process: Galvanized steel pipes and ordinary steel pipes are two major categories of steel pipes. Galvanizing means that the surface of the steel pipe is galvanized, while ordinary steel pipes are not.
2. Use: Galvanized steel pipes are generally used to make fences, fences, guardrails, etc. Widely used in municipal projects, roads, factories, schools, development zones, gardens, squares, residential areas and other places. Today, ordinary steel pipes have basically been replaced by galvanized steel pipes.
3. Durability: Galvanized pipes are more corrosion-resistant, and ordinary steel can withstand higher pressure. Due to the protection of zinc, galvanized steel pipes are not prone to rust and are lighter than ordinary steel pipes.
