Q355GNH steel under GB/T 4171 standard belongs to the atmospheric corrosion resisting structural steel. By adding a small amount of alloying elements Cu, P, Cr, Ni, etc., it forms a protective layer on the metal surface to improve the atmospheric corrosion resistance. These GB/T 4171Q355GNHsteel plates and coils can be used for vehicles, bridges, containers, buildings, towers and other structural parts. Q355GNH steel equivalent
Q355GNH steel plate machining We carry weather resistant steel plates and sheets in stock in a variety of gauges and widths. We can cut sheet Q355GNH to any weight and size for immediate delivery. There are various machining service to different shapes and sizes of weather resistant steel sheets and coils like cutting, welding, grinding, and drilling.
As a leading China supplier of GB/T 4171Q355GNH weather resistant steel, we can supply Q355GNH weather resistant steel plate, hot rolled sheet, steel coils and steel sections. For more information about Q355GNH steel sheets size, tolerance, Q355GNH plate price or heat treatment, please feel free to contact us.