What is the difference between weathering steel plate and ordinary steel plate?

Due to its unique anti-rust properties, corrosion resistance, long service life, thinning and consumption reduction, labor saving, electricity saving, etc., what is the difference between weathering steel and ordinary steel? Today, the weathering steel manufacturer will introduce weathering steel to you in detail!

What kind of weathering steel? Adding weather-resistant elements such as phosphorus, copper, chromium, and nickel to steel can form a dense and highly adhesive oxide layer between the rust layer and the substrate. Dense oxides have stable, uniform natural corrosion properties. Prevent oxygen and water in the air from penetrating into the base material, protect the base material under the rust layer, and slow down its corrosion rate.

Therefore, in order to identify the authenticity of weathering steel, you must first understand its corrosion process. Rust begins to corrode steel at an early stage. Weathering steel has very little rust, and the rust spots are small and dense. During the stable period, the weather-resistant steel plate will form a clear and dense anti-rust core layer, which is closely combined with the rust spots to form a protective layer. Rust and dark colors are difficult to remove by hand (generally 7-8 years, 2 years in coastal environments).

In ordinary steel types, the initial rust spots are relatively loose, the middle section has more rust, the rust is larger, and the rust is thinner. There are black spots on the bottom of the workpiece, rust columns, and serious tear marks. The stabilizer has a strong rust-removing and regulating power, otherwise the overall rust will peel off, rust, and appear reddish-brown or yellow-brown.

The articles on weathering steel products from the above manufacturers may be helpful to you.