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CrMnSi wear-resistant cast steel lining plate and manufacturing method thereof

A technology for lining plate and cast steel, applied in the field of lining plate and its preparation, can solve the problems of short service life, complex production process, poor use toughness, etc., and achieve the effects of long service life, simple production process and good use toughness

Inactive Publication Date: 2014-08-06
晋城市宏创源耐磨材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the technical problems of complex production process, short service life and poor toughness in the existing CrMnSi wear-resistant cast steel liner, and to provide a CrMnSi wear-resistant cast steel liner and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A CrMnSi wear-resistant cast steel liner in this embodiment, wherein: the weight percentage of the chemical composition of the wear-resistant cast steel liner is:

[0018] C: 0.28, Mn: 0.8, Si: 0.9, Cr: 0.9, B: 0.004, Ti: 0.12, Re: 0.2, and the rest is iron.

[0019] A method for preparing the CrMnSi wear-resistant cast steel liner, comprising the following steps:

[0020] ①Batching: calculate the scrap steel, ferrosilicon, ferromanganese, ferrochrome, ferroboron, ferrotitanium and rare earth according to the weight percentage of the above chemical composition to calculate the The ratio of rare earth raw materials is weighed, and ferrosilicon and ferromanganese are respectively crushed to particles with a diameter of 50-60 mm, ferroboron and rare earth are crushed to particles with a diameter of less than 10 mm, and ferro-titanium is crushed to particles with a diameter of less than 5 mm for later use ;

[0021] ②Smelting: First, put scrap steel and ferrochrome into a...

Embodiment 2

[0027] A CrMnSi wear-resistant cast steel liner in this embodiment, wherein: the weight percentage of the chemical composition of the wear-resistant cast steel liner is:

[0028] C: 0.35, Mn: 1.1, Si: 1.2, Cr: 1.1, B: 0.005, Ti: 0.12, Re: 0.2, and the rest is iron.

[0029] A method for preparing the CrMnSi wear-resistant cast steel liner, comprising the following steps:

[0030] ①Batching: calculate the scrap steel, ferrosilicon, ferromanganese, ferrochrome, ferroboron, ferrotitanium and rare earth according to the weight percentage of the above chemical composition to calculate the The ratio of rare earth raw materials is weighed, and ferrosilicon and ferromanganese are respectively crushed to particles with a diameter of 50-60 mm, ferroboron and rare earth are crushed to particles with a diameter of less than 10 mm, and ferro-titanium is crushed to particles with a diameter of less than 5 mm for later use ;

[0031] ②Smelting: First, put scrap steel and ferrochrome into a...

Embodiment 3

[0037] A CrMnSi wear-resistant cast steel liner in this embodiment, wherein: the weight percentage of the chemical composition of the wear-resistant cast steel liner is:

[0038] C: 0.3, Mn: 1, Si: 1, Cr: 1, B: 0.0045, Ti: 0.12, Re: 0.2, and the rest are iron.

[0039] A method for preparing the CrMnSi wear-resistant cast steel liner, comprising the following steps:

[0040] ①Batching: calculate the scrap steel, ferrosilicon, ferromanganese, ferrochrome, ferroboron, ferrotitanium and rare earth according to the weight percentage of the above chemical composition to calculate the The ratio of rare earth raw materials is weighed, and ferrosilicon and ferromanganese are respectively crushed to particles with a diameter of 50-60 mm, ferroboron and rare earth are crushed to particles with a diameter of less than 10 mm, and ferro-titanium is crushed to particles with a diameter of less than 5 mm for later use ;

[0041] ②Smelting: First, put scrap steel and ferrochrome into an int...

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Abstract

The invention belongs to the technical field of lining plates and manufacturing methods thereof, and in particular relates to a CrMnSi wear-resistant cast steel lining plate and a manufacturing method thereof. The CrMnSi wear-resistant cast steel lining plate mainly solves the technical problems of complex production process, short service life and poor use toughness of an existing CrMnSi wear-resistant cast steel lining plate. The invention adopts the technical scheme that the wear-resistant cast steel lining plate comprises the following chemical components in percentage by weight: 0.28-0.35% of C, 0.8-1.1% of Mn, 0.9-1.2% of Si, 0.9-1.1% of Cr, 0.004-0.005% of B, 0.12% of Ti, 0.2% of Re and the balance of iron; the wear-resistant cast steel lining plate is prepared through the steps of proportioning, smelting, pouring, primary thermal treatment and secondary thermal treatment. The CrMnSi wear-resistant cast steel lining plate disclosed by the invention has the advantages that the production process is simple, the service life is long and the use toughness is good.

Description

technical field [0001] The invention belongs to the technical field of lining plates and preparation methods thereof, and in particular relates to a CrMnSi wear-resistant cast steel lining plate and a preparation method thereof. Background technique [0002] The liner is used to protect the cylinder body from the direct impact and friction of the grinding body and the material. At the same time, different forms of lining boards can be used to adjust the movement state of the grinding body to enhance the crushing effect of the grinding body on the material. It helps to improve the grinding efficiency of the mill, increase the output and reduce the metal consumption. The existing CrMnSi wear-resistant cast steel liner has the technical problems of complex production process, short service life and poor toughness in use. Contents of the invention [0003] The purpose of the present invention is to solve the technical problems of the existing CrMnSi wear-resistant cast steel ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/32C22C33/04C21D1/26
Inventor 赵晨波赵晓钟贺宁贺安荣
Owner 晋城市宏创源耐磨材料股份有限公司
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