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High-carbon steel multi-alloy wear-resisting ball and production method thereof

A production method and multi-alloy technology, applied in the field of metallurgy, can solve the problems of low alloy element content and high hardness

Active Publication Date: 2010-06-16
安徽中建材开源新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This type of steel is developed on the basis of low-alloy high-strength weldable steel. They are generally quenched and tempered directly after rolling, or strengthened by controlled rolling and controlled cooling processes, which can save energy and have low content of alloying elements. , the price is cheaper, but the hardness is high, wear-resistant, and the process performance is acceptable. Due to these advantages, this type of wear-resistant steel plate is very popular among users.

Method used

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Embodiment Construction

[0018] High-carbon steel multi-alloy wear-resistant balls, the chemical components are: C: 1.0-1.2, Si: 1.2-1.6, Mn: 1.6-2.2, P≤0.05, S≤0.25, Cr: 1.5-2.5, Mo0 .2-0.3, B: 0.005-0.01, Ti: 0.025-0.05, V: 0.08-0.15, and the rest is Fe.

[0019] High-carbon steel multi-alloy wear-resistant balls, the chemical components are: C: 1.0-1.2, Si: 1.2-1.6, Mn: 1.6-2.2, P≤0.05, S≤0.25, Cr: 1.5-2.5, Mo0 .2-0.3, B: 0.005-0.01, Ti: 0.025-0.05, V: 0.08-0.15, and the rest is Fe.

[0020] Production method of high carbon steel multi-alloy wear-resistant ball:

[0021] (1) According to the weight percentage of the main chemical composition of the large grinding ball, add all metal furnace materials except ferroboron, ferrotitanium and ferrovanadium into the smelting furnace, raise the temperature, and when the temperature of molten iron reaches about 1580°C, take samples for chemical analysis , to control the weight percentage of each chemical component; when the temperature reaches 1620-1630°C...

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Abstract

The invention discloses a high-carbon steel multi-alloy wear-resisting ball and a production method thereof. The wear-resisting ball comprises the main chemical compositions in percentage by weight: 1.0-1.2% of C, 1.2-1.6% of Si, 1.6-2.2 % of Mn, less than or equal to 0.05% of P, less than or equal to 0.25% of S, 1.5-2.5% of Cr, 0.2-0.3% of Mo, 0.005-0.01% of B, 0.025-0.05% of Ti, 0.08-0.15% of V and the balance of Fe. The production method comprises the steps of melting stock, modifying twice, pouring, quenching, tempering and obtaining finished products. The grinding ball produced with the production method of the invention has high hardness, high wear resistance, high toughness and high impact resistance; the production method of the grinding ball is easy and simple to operate.

Description

technical field [0001] The invention relates to the field of metallurgy, in particular to a high-carbon steel multi-alloy wear-resistant ball and a production method thereof. Background technique [0002] Ball mill is widely used in cement, mining, thermal power, building materials and other industries. Grinding ball is the most commonly used grinding body in ball mill, which consumes the most in use. With the development of industry, various large-scale ball mills are increasing year by year, and the consumption of grinding balls is also increasing significantly. This not only consumes a large amount of iron and steel materials, but also a large amount of iron powder enters the boiler, which corrodes the boiler parts and reduces its service life. Therefore, continuous research to improve the wear resistance of grinding balls and reduce their unit loss has important economic significance. [0003] The general term for steel materials with strong wear resistance (what), wea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/38C22C33/04C21C7/06B22D1/00C21D9/00
Inventor 汪德发
Owner 安徽中建材开源新材料科技有限公司
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