Wear-resistant composite steel plate

- Apr 04, 2019-

      The wear-resistant composite steel plate consists of a low-carbon steel plate and a wear-resistant alloy layer, and the wear-resistant alloy layer usually ranges from 1/3 to 1/2 of the total thickness. During operation, the base provides all-round strength, impact strength and ductility, resistance to external influences, and a wear-resistant alloy layer provides wear resistance and heat resistance that meet the requirements of the specified working conditions.


         The wear-resistant alloy layer of wear-resistant composite steel plate and the substrate is fully metallurgically bonded. Self-shielded high-hardness alloy wire or alloy powder is uniformly welded to the substrate using special equipment, and the composite layer is layered on two layers or even several layers. In the compounding process, uniform shrinkage occurs due to different alloy shrinkage factors. Crack, which is the hallmark of wear-resistant steel.


           The wear layer of the alloy mainly consists of chrome alloy, and other alloy components are added to it, such as manganese, molybdenum, niobium, nickel and boron. Carbides in the metallographic structure are fibrous, and the direction of the fibers is perpendicular to the surface. The carbide microhardness can exceed HV1700-2000, and the surface hardness can reach HRC58-65. The carbide alloy is highly stable at high temperatures, retains high hardness, and also has good oxidation resistance and is fully used under normal conditions at 500 ° C.

         Wear-resistant composite steel plate has a high wear resistance and good impact characteristics, it can be cut, bent, welded, etc., and it can be connected to other structures by welding, welding with plugs, bolts, etc., and it has an area in the process of maintenance. Time, convenience and other characteristics widely used in metallurgy, coal, cement, electricity, glass, mining, building materials, bricks, ports and other industries, compared to other materials, have a high cost, are influenced by an increasing number of industries. and manufacturers favor.

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ATT: Helen Dong

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Email: helen@zbqishuai.cn