Novel corrosion resistant antiwear metallic material

Abstract

The invention discloses a novel corrosion-resistant anti-wear metallic material which has the components with the weight percentage of 0.3-1.2% of C, 20-30% of Cr, 1-2.5% of Si, 0.5-1.5% of Mn, 3-8% of Ni, 1-4% of Mo, 1-4% of Cu, less than or equal to 0.035% of P, less than or equal to 0.04% of S, and the rest of Fe. As the novel corrosion-resistant anti-wear metallic material properly increases the carbon content and is added with the right amount of alloying elements, so that material structure contains a certain amount of alloy carbide, and the anti-wear performance of the material is greatly improved. Although the static corrosion-resistant performance is slightly reduced, the comprehensive corrosion-resistant anti-wear performance is greatly improved. In addition, the novel corrosion-resistant anti-wear metallic material can be smelted in an intermediate frequency furnace and needs no concentrated feeding stuff. The production cost is reduced more than CD4M-Cu material.

Description

technical field [0001] The invention relates to a metal material, especially a novel corrosion-resistant and wear-resistant metal material with high carbon content. Background technique [0002] At present, in the corrosion and wear conditions, especially the wet corrosion and wear conditions in the electric power, chemical industry and other industries (mainly the pump flow parts in the desulfurization system of thermal power plants, such as circulating desulfurization pumps, the medium characteristics of thermal power plant desulfurization systems are: Contains a lot of Cl - , SO 4 2- , SO 3 2- Most of the materials used in corrosive ions such as limestone and solid particles such as limestone are duplex stainless steel, but duplex stainless steel has low wear resistance due to low hardness, and at the same time, the cost of duplex steel is relatively high. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a...

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Problems solved by technology

[0002] At present, in the corrosion and wear conditions, especially the wet corrosion and wear conditions in the electric power, chemical industry and other industries (mainly the pump flow parts in the desulfurization system of thermal power plants, such as circulating desulfurization pumps, the medium characteristics of thermal power plant desulfurization systems are: Contains a lot of Cl - , SO 4 2- , SO 3 2- and other corrosive ions, and there are solid particles such as limestone), most of the materials used in duplex stainless steel are duplex stainless steel, but due to the low hardness of duplex stainless steel, the wear resistance is not high, and at the same time, the cost of duplex stainless steel is relatively high

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