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OCT 31 2012

Abrasion resistant steel plate

Manganese steel

Abrasion resistant steel platemade of low carbon steel and alloy layer is composed of two parts, wear-resistant alloy layer is generally the total thickness of 1/3~1/2. When the matrix to provide resistance to external force strength, toughness and ductility performance, wear-resistant alloy layer provided by meet the specified conditions demand wear resistance.

Abrasion resistant steel plate wear-resistant alloy layer between the substrate and is a metallurgical bond. Through special equipment, automatic welding process, the high hard protective alloy wire is uniformly welded on a 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 of wear resistant steel plate.

Alloy layer with 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. Alloy steel at high temperature has strong stability, high hardness, but also has a good antioxidant properties, in 500 ℃completely normal use.

Wear layer forms are narrow ( 2.5-3.5mm ), wide road ( 8-12mm ), curve ( S, W ); mainly in chromium, manganese, molybdenum, while also adding niobium, nickel, boron and other alloy composition, microstructure of carbide in fibre form distribution, the fiber direction perpendicular to the surface. The carbide content 40-60%, hardness can reach more than HV1700, the surface hardness can reach HRC58-62.

Abrasion resistant steel plate is divided into general, impact resistance and high temperature resistance type three; wear-resistant steel plate thickness minimum can reach 5.5 ( 2.5+3 ) mm, the thickness can reach to 30 ( 15+15 ) mm; wear plate can be rolled for minimum diameter DN200 wear-resistant pipe, and can be processed into wearable elbow, three links, wear resistance wear resistant pipe.