Q355GNH weather resistant steel , also known as atmospheric corrosion resistant steel, is a series of low alloy steel that exists between stainless steel and ordinary steel. By adding a small amount of corrosion-resistant elements such as copper and nickel to carbon steel, Q355GNH will have the characteristics of high-quality steel such as ductility, welding, toughness, abrasion, forming, fatigue resistance, and high temperature. The coating performance of Q355GNH weather resistant steel is 10 times that of carbon steel. Weather resistance of Q355GNH weather resistant steel is 8 times that of ordinary carbon steel. At the same time, Q355GNH also has the characteristics of rust resistance, corrosion resistance and longevity of components.
Q355GNH weather resistant steel is commonly used to manufacture structural parts such as railway vehicles, harbor construction, containers, oil production platforms, chemical petroleum equipment, and containers containing hydrogen sulfide corrosive medium in oil derricks. Q355GNH can also be used to manufacture steel structures that are exposed to the atmosphere for a long time, such as towers, railways, bridges, and vehicles.
