EN 10025-5 S355J2W Weathering steel plate, a weather-resistant steel, is a low-alloy series between ordinary steel and stainless steel. EN 10025-5 S355J2W Weathering steel plate Adds a small amount of corrosion-resistant elements such as copper and nickel from plain carbon steel. Made of high-quality steel for toughness, plastic stretching, forming, welding, abrasion, high temperature, fatigue resistance, etc.; weather resistance is 2~8 times that of ordinary carbon steel, and coating is 1.5~10 for ordinary carbon steel Times. At the same time, it has the characteristics of rust resistance, anti-corrosion and life extension, thinning and reducing consumption, saving labor and energy.
EN 10025-5 S355J2W Weathering steel plate is mainly used for steel structures such as railways, vehicles, bridges, towers and other long-term exposure to the atmosphere. It is used to manufacture structural parts such as containers for containers, railway vehicles, oil derricks, seaport buildings, oil production platforms and chemical petroleum equipment containing hydrogen sulfide corrosion media.
Corroded steel sheet refers to a low-alloy structural steel with a protective rust layer resistant to atmospheric corrosion and can be used to manufacture steel structures such as vehicles, bridges, towers, and containers. Compared to plain carbon steel, EN 10025-5 S355J2W Weathering steel plate has superior corrosion resistance in the atmosphere. Compared with stainless steel, EN 10025-5 S355J2W Weathering steel plate has only a small amount of alloying elements such as phosphorus, copper, chromium, nickel, molybdenum, niobium, vanadium, titanium, etc., and the total amount of alloying elements is only a few percent, not Like stainless steel, it is more than ten percent, so it is cheaper.
[EN 10025-5 S355J2W Weathering steel plate principle] After adding trace elements such as phosphorus, copper, chromium and nickel to the steel, the surface of the steel is formed into a dense and highly protective film, which hinders the diffusion and development of rust and protects the rust. The substrate below the layer to slow down its corrosion rate. Amorphous spinel type oxidation of about 50 μm to 100 μm thick formed between the rust layer and the substrate
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