High-nickel and high-carbon steel material and preparation method thereof
A high-carbon steel and high-nickel technology, applied in the field of high-nickel high-carbon steel materials and their preparation, can solve the problems of wear resistance, hardness, rust resistance, corrosion resistance, high and low temperature resistance, brittleness, toughness, and cost Taking into account other issues to achieve the effect of increasing wear resistance, stable and uniform quality, good toughness and plasticity
Active Publication Date: 2014-10-01
TONGLING MINGCHENG FOUNDRY
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Problems solved by technology
[0002] The development of alloy steel has a history of more than 100 years. So far, a variety of alloy steels have been applied in industry, mainly including the following types: quenched and tempered steel, spring steel, tool steel, high speed steel, die steel, high school Low-carbon alloy steel, etc., so far, although alloy steel technology has been greatly developed, there are still many problems, such as wear resistance, hardness, rust resistance, corrosion resistance, high and low temperature resistance, brittleness, toughness, Costs cannot be taken into account. In many cases, the production requirements cannot be met, and further improvements are needed to improve production efficiency, reduce costs, improve safety, provide guarantee for the development of high-tech, and provide impetus for social development. There are still many tasks to be done. difficult
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[0013] A high-nickel high-carbon steel material, which contains chemical elements and mass percentages: C1.2-1.4, Cr1.2-1.5, Ni13.0-13.5, Co2.3-2.5, B0.6-0.8 , Si0.2-0.5, copper 1.5-1.8, manganese 4-4.3, neodymium 0.3-0.5, P≤0.030, S≤0.030, and the balance is iron.
[0014] The production method of described high-nickel high-carbon steel material is:
[0015] (1) Put pig iron and scrap iron into the furnace at a ratio of 1:2 and melt them as the source of iron matrix; carry out desulfurization, deoxidation, alloying, refining with refining agents, casting, post-casting heat treatment, etc.;
[0016] (2) The order of batches of alloying elements put into the furnace during the alloying process is: (1) Manganese, Co; (2) Si, Cr, Ni; (3) Other remaining components; the time of adding elements in each batch The interval is 14 minutes, and stir evenly after feeding.
[0017] The post-casting heat treatment is as follows: firstly, the temperature is raised from room temperature to...
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Abstract
The invention provides a high-nickel and high-carbon steel material. The steel material contains the following chemical elements by mass percent: 1.2-1.4% of C, 1.2-1.5% of Cr, 13.0-13.5% of Ni, 2.3-2.5% of Co, 0.6-0.8% of B, 0.2-0.5% of Si, 1.5-1.8% of copper, 4-4.3% of manganese, 0.3-0.5% of neodymium, not more than 0.030% of P, not more than 0.030% of S and the balance of iron. The steel material has the beneficial effects that the alloy material has the extremely high strength, hardness and wear resistance of high-carbon steel and simultaneously has better toughness and plasticity; the wear resistance of the material is greatly improved by using rare earth elements and boron; the heat resistance of the material is improved by using cobalt; part of scrap iron is used as the raw material, so that the quality of the alloy is stable and homogenous; the high-carbon steel is suitable for the parts which are in the high temperature environment for a long time and are seriously worn; the porosity is reduced by 1-2 degrees by adding a refining agent.
Description
technical field [0001] The invention relates to the field of metal material preparation, in particular to a high-nickel high-carbon steel material and a preparation method thereof. Background technique [0002] The development of alloy steel has a history of more than 100 years. So far, a variety of alloy steels have been applied in industry, mainly including the following types: quenched and tempered steel, spring steel, tool steel, high speed steel, die steel, high school Low-carbon alloy steel, etc., so far, although alloy steel technology has been greatly developed, there are still many problems, such as wear resistance, hardness, rust resistance, corrosion resistance, high and low temperature resistance, brittleness, toughness, Costs cannot be taken into account. In many cases, the production requirements cannot be met, and further improvements are needed to improve production efficiency, reduce costs, improve safety, provide guarantee for the development of high-tech, ...
Claims
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IPC IPC(8): C22C38/58C22C33/04C21C7/04C21D6/00
Inventor 张蔓青
Owner TONGLING MINGCHENG FOUNDRY