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Wear resistant plate, namely double metal compound wear-resisting steel plate.
Double metal compound layer ofis intended for large area wear conditions using sheet metal products, in toughness, plasticity is good ordinary low-carbon steel or low-alloy steel surface by surfacing welding method combined a certain thickness, higher hardness abrasion resistance excellent wear-resisting layer and made of sheet metal products.
Double metal compositemade of low carbon steel and alloy layer is composed of two parts, wear-resistant layer thickness of the 1/31/2 general total. When the matrix to provide resistance to external force strength, toughness and ductility performance, by the wear resistant layer provided meet the specified conditions demand wear resistance.
Wear resistant plate wear-resistant alloy layer and the substrate is metallurgical combination between. Through special equipment, automatic welding process, the high hard protective alloy wire is uniformly welded on the substrate, composite layers one layer to two layers or multilayer, composite process because of different alloy contraction ratio, uniform transverse crack appears, it is the significant characteristic ofplate.
Wear layer mainly in chromium, manganese, molybdenum, while also adding niobium, nickel and other alloy composition, microstructure of carbide in fibre form distribution, the fiber direction perpendicular to the surface. Carbide hardness can reach more than HV1700-2000, the surface hardness can reach HRc58-62.at high temperature has strong stability, high hardness, but also has a good antioxidant properties, in 500 ℃completely normal use.
Wear resistant plate has high wear resistance and good shock resistance, being capable of cutting, bending, welding, welding, welding, can take the plug bolt connecting mode and other structures were connected, at the repair site process has the advantages of time saving, convenient features, widely used in metallurgy, coal, cement, power, mining, building materials, glass, tiles and other industries, and other materials are compared, have a very high price, has been more and more industries and manufacturers.