Three common cutting methods of Q355GNH cold rolled weathering steel coil cutting

20# steel is carbon steel with carbon content of about 0.20%. It belongs to low carbon steel with high quality. The equivalent material of 20# steel is S20C. 20# steel has low strength and hardness, good plasticity and toughness, good carburizing effect and good weldability. 20# steel is often used to make pressure parts (such as gasket, chain piece), carburizing parts (gear, CAM), welding parts, plastic mold, etc.

There are many kinds of heat treatment processes for wear-resistant composite plate, Q355GNH cold rolled weathering steel coil, and they are applicable to different ranges. For example, direct quenching and low-temperature tempering can not refine the grain size of steel, the quenching deformation of workpiece is large, and the surface residual austenite volume of carburized parts of hardfacing wear-resistant composite plate is more, and the surface hardness is lower. It is suitable for gas carburizing and liquid carburizing.

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We have a professional production team and high-quality production equipment, and we also have a great Q355GNH cold rolled weathering steel coil advantage in price, with its own factory, large-scale production to reduce the price. Strictly control each production line to ensure the Q355GNH cold rolled weathering steel coil production of high-quality steel plates, steel pipes and other products that meet customer requirements.