Nickel has good mechanical, physical and chemical properties, adding appropriate elements can improve its oxidation resistance, corrosion resistance, high temperature strength and improve some physical properties.

Duplex alloy plate is a kind of stainless steel alloy plate composed of ferrite phase and austenite phase. The main alloying elements in its chemical composition include chromium (Cr), nickel (Ni), molybdenum (Mo), etc. Chromium is a key element to ensure the corrosion resistance of stainless steel. It can form a dense oxide film on the surface of the alloy to prevent further corrosion. Nickel helps to improve the toughness and corrosion resistance of the alloy, especially playing an important role in resisting stress corrosion cracking. The addition of molybdenum enhances the corrosion resistance of the alloy in reducing media and improves the ability to resist pitting corrosion and crevice corrosion. In addition, it may also contain a small amount of elements such as nitrogen (N) to strengthen the properties of the alloy.

Hastelloy C-276 alloy is one of the few materials that can be used in hot concentrated sulfuric acid solution It is mainly resistant to wet chlorine, various oxidizing chlorides, chloride solutions, sulfuric acid and oxidizing salts, and has good corrosion resistance at low and medium temperatures.

Hastelloy G35 alloy is one of the few materials that can be used in hot concentrated sulfuric acid solution It is mainly resistant to wet chlorine, various oxidizing chlorides, chloride solutions, sulfuric acid and oxidizing salts, and has good corrosion resistance at low and medium temperatures.