SUS405 stainless steel U-section is a martensitic stainless steel U-section. This stainless steel has high hardness and strength after quenching and tempering, as well as good wear resistance and corrosion resistance.

First, let's take a closer look at the composition and characteristics of SUS405 stainless steel. SUS405 stainless steel is mainly composed of iron, chromium, carbon and small amounts of other elements. Among them, the chromium content makes it have basic corrosion resistance, while the carbon content affects its hardness and strength. In addition, the steel also contains a small amount of other alloying elements, such as silicon, manganese, phosphorus and sulfur, which have a certain impact on the mechanical properties and processing properties of the steel.

In terms of mechanical properties, SUS405 stainless steel U-shaped steel has high hardness and strength after proper heat treatment, as well as good wear resistance. This makes it excellent in many applications where it is required to withstand high loads and wear, such as manufacturing wear plates, cutting tools, bearings, etc.

In terms of corrosion resistance, although the corrosion resistance of SUS405 stainless steel is not as good as some other stainless steel varieties, it still shows good corrosion resistance under many common environmental conditions. Especially when it is properly treated with geothermal heat, a dense oxide film can be formed to further improve its corrosion resistance.

In addition, SUS405 stainless steel U-shaped steel also has good processing and welding properties, can be processed into various shapes and structures of the parts. At the same time, its price is relatively low, so it is also an ideal choice in some applications with strict cost requirements.

However, it should be noted that because SUS405 stainless steel is a martensitic stainless steel, its corrosion resistance may be affected under certain specific environmental conditions, such as high temperature and strong corrosive media. Therefore, when choosing to use, it is necessary to evaluate its applicability according to the specific application environment and requirements.

In general, SUS405 stainless steel U-shaped steel is a stainless steel material with high strength, high hardness, good wear resistance and corrosion resistance, suitable for a variety of applications, especially in the need to withstand high loads and wear environments perform well. However, it is still necessary to pay attention to maintenance and maintenance during use to avoid corrosion and damage caused by environmental factors or improper operation. At the same time, the selection also needs to select the appropriate material and specifications according to the specific use environment and requirements to ensure that it can meet the actual needs.