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[CN 201810623958.4] tungsten-containing corrosion-resistant and wear-resistant material and method for preparing shell-beating hammer head by using the material
[CN 201810623958.4] A tungsten-containing corrosion-resistant and wear-resistant material and a method for preparing a shelling hammer using the material Title: A tungsten-containing corrosion-resistant and wear-resistant material and a method for preparing a shelling hammer using the material Application No.: CN 201810623958.4 Applicant: Jiuquan Iron and Steel (Group) Co., Ltd. Application Date: 2018-6-15 Patent Type: Invention Application The present invention relates to the technical field of aluminum smelting, specifically, it relates to a tungsten-containing corrosion-resistant wear-resistant material and a method for preparing a shell-beating hammer head using the material. The material comprises the following components in weight percent: C 0.15-0.25%,Cr 21-23%,Ni 4.5-6.5%,Mn 1-2%,Mo 2-3%,W 2.0-3.2%,Si 0.5-1.0%,N 0.1-0.2%,P ≤ 0.05%,S ≤ 0.01%, balance Fe. The use of the material smelting, production of steel ingots, forging or hot rolling, segmentation, Auschst heat treatment, machine molding and other steps to make a shell hammer. The material has high hardness, corrosion resistance, easy forming and welding and other comprehensive mechanical properties. At the same time, due to the presence of 2.0-3.2 mass% tungsten element, a large number of tungsten carbide precipitated phases are formed in the duplex stainless steel matrix. The tungsten carbide precipitated phases enter the duplex stainless steel matrix to form a tungsten carbide precipitated phase skeleton with high creep resistance and high wear resistance and are dispersed and distributed in the shell hammer head material, thus significantly improving the hardness, high creep resistance and high wear resistance of the shell hammer head material.
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