There are eleven grades under GB/T 4171 standard: Q235NH, Q265GNH, Q295NH, Q295GNH, Q310GNH, Q355NH, Q355GNH, Q415NH, Q460NH, Q500NH, Q550NH. These materials are atmospheric corrosion resisting structural steel. These steel plates and sheets can be used for vehicles, bridges, containers, buildings, towers and other structural parts.
GB/T 4171 steel plate machining We carry weather resistant steel plates and sheets in stock in a variety of gauges and widths. We can cut sheet Q355NH (Equivalent S355J0W and S355J2W steel) 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 4171 weather resistant steel, we can supply GB/T 4171 weather resistant steel plate, Q295GNH hot rolled sheet, Q355NH steel coils and steel sections. For more information about Q355GNH steel sheets size, tolerance, Q355NH plate price or heat treatment, please feel free to contact us.