Everyone knows that stainless steel welded mesh is a mesh product made of stainless steel wire through mechanical welding. Due to the special properties of stainless steel, of course, it also creates some high-quality qualities of stainless steel welded mesh. Rust-free is the biggest advantage of stainless steel welded mesh. Stainless steel welded mesh is used in all walks of life, especially in the food-grade industry. Stainless steel welded mesh has a unique place and cannot be replaced by any other wire mesh products. It is also due to this characteristic of stainless steel that the price of stainless steel welded mesh is much higher than that of welded mesh of other materials.
The galvanized welded mesh also has very good corrosion resistance, and the price is much lower than that of stainless steel welded mesh. So can galvanized welded mesh replace stainless steel welded mesh in various industries? What are the differences between them?
Galvanized welded mesh is welded with ordinary low-carbon steel wire. Because there is a layer of zinc on its surface, it has very strong corrosion resistance. Galvanized welded mesh is divided into hot-dip galvanizing and cold-dip galvanizing according to different processes. Hot-dip galvanized welded mesh is simply to put the mesh product welded with low-carbon steel wire into high-temperature zinc liquid, so that the zinc liquid fully wraps the welded mesh, and then cools it, thus forming a hot-dip galvanized welded mesh. Cold-dip galvanized welded mesh is formed by passing zinc ions through special physical devices to separate the zinc ions through positive and negative electrodes and then attach them to the surface of the welded mesh wire. Compared with cold-dip galvanized welded mesh, the zinc layer on the surface of hot-dip galvanized welded mesh is thicker and its corrosion resistance is better. Of course, its price is slightly more expensive. Even hot-dip galvanized welded mesh with obvious corrosion resistance cannot completely replace stainless steel welded mesh. It can only be used in some industries where the requirements are not too strict. The corrosion resistance of galvanized welded mesh must be comparable to that of stainless steel welded mesh. However, in some special industries, galvanized welded mesh cannot replace stainless steel welded mesh. For example, in the food industry, galvanized welded mesh cannot replace stainless steel welded mesh because there is a layer of zinc coating on the surface of galvanized welded mesh. As we all know, zinc cannot directly contact food and has certain toxicity. Therefore, stainless steel welded mesh cannot be replaced by galvanized welded mesh in some scientific research, pharmaceutical industry and food industry.
So how do we distinguish stainless steel welded mesh from galvanized welded mesh? When we buy items, the first thing we want to know is the price of the product. As for the quality and craftsmanship of the product, they are secondary to the price. This habit does not seem to be a very good habit. When we want to buy welded mesh, price is only one of the factors. We cannot only focus on the price of the product during the purchase process. Of course, price is just a reference. For example, on the price of stainless steel welded mesh that we know, if some manufacturers quote you a few very low prices for stainless steel welded mesh, so low that you can't even imagine it, then we should suspect that the manufacturer is using galvanized welding to pretend to be stainless steel welded mesh for sale. At this time, we must have the ability to distinguish stainless steel welded mesh from galvanized welded mesh. The difference between stainless steel welded mesh and hot-dip galvanized welded mesh is very obvious. The surface is rough. Whether there is zinc hanging on the welded mesh is generally hot-dip galvanized welded mesh, while the surface of stainless steel welded mesh is very smooth and very shiny. The difference between cold-dip galvanized welded mesh and stainless steel welded mesh is to observe the welding points. If the welding points are obviously rough and the cross-section of the cut iron wire is black, it is a cold-dip galvanized welded mesh. The stainless steel welded mesh will show a bright color no matter how the cross-section is cut.