Alloy material for high wear-resistant cold rolls and preparation method thereof
A technology of alloy materials and cold rolls, which is applied in the field of alloy materials for high wear-resistant cold rolls and its preparation, can solve the problems of high requirements and harshness, achieve good toughness, increase yield, high hardness and wear resistance Effect
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[0013] An alloy material for high wear-resistant cold rolling rolls, which contains chemical element components and mass percentages: carbon 0.8-0.9, tungsten 2.1-2.3, molybdenum 1.2-1.5, vanadium 2.2-2.4, chromium 2.1-2.5, niobium 0.05 -0.10, lanthanum 0.15-0.20, neodymium 0.05-0.10, Mn0.4-0.6, Co0.03-0.05, P≤0.030, S≤0.030, and the balance is iron.
[0014] The production method of the alloy material for the high wear-resistant cold roll is as follows:
[0015] (1) Prepare pig iron and scrap iron as the source of iron matrix in a ratio of 1:0.7, put pig iron into the furnace for melting, perform desulfurization, deoxidation, use refining agent for one-time refining, add alloy components for alloying, and then add scrap iron to melt , adding refining agent for secondary refining, testing and adjusting the content of chemical elements to pass, casting, post-casting heat treatment, etc.;
[0016] (2) The order of batches of alloying elements added to the furnace during the all...
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