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Preparation method for high-wear-resistance steel

A high wear-resistant, steel technology, applied in the direction of milling machine equipment, manufacturing tools, milling machine equipment details, etc., can solve the problems of large welding residual stress and deformation, rough surface of the surfacing layer, uneven heating of the substrate, etc., and achieve good high temperature resistance And the effect of corrosion resistance and strong wear resistance

Inactive Publication Date: 2021-08-06
福建辉丰环境工程科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to propose a preparation method of high wear-resistant steel to solve the problem of uneven heating of the substrate and large temperature field gradient during the surfacing welding process of the wear-resistant composite plate in the prior art, which easily causes large welding residual stress and Deformation; and the surface of the surfacing layer is rough and difficult to process

Method used

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  • Preparation method for high-wear-resistance steel
  • Preparation method for high-wear-resistance steel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] An embodiment of the present invention provides a method for preparing high wear-resistant steel, including steps S101-S107:

[0032] S101: Using high-chromium cast iron as the base material, adding alloys to the base material for smelting to obtain a billet, the smelting temperature is 1200°C-1350°C, and the billet includes the following components in mass percentage: chromium: 23.00-30.00 %, manganese: 0.55-2.00%, nickel: 0.30-2.40%, molybdenum: 0.30-2.80%, titanium: 0.20-1.50%, copper: 0.25-1.20%, silicon: 0.10-1.20%, phosphorus: 0.01-0.08% , sulfur: 0.01-0.06%, carbon: 2.20-3.20%, and the rest is iron.

[0033] S102: Finish rolling the billet into a wear-resistant plate with a preset size, milling a number of T-shaped bars on one side of the wear-resistant plate with a CNC milling machine, and milling a number of T-shaped bars on the T-shaped bars on both sides. a threaded hole;

[0034] S103: Select a substrate, the substrate is made of low-carbon low-alloy steel...

Embodiment 2

[0046] The embodiment of the present invention provides a method for preparing high wear-resistant steel, including steps S201-S207:

[0047] S201: Using high-chromium cast iron as the base material, adding alloys to the base material for smelting to obtain a billet, the smelting temperature is 1200°C, and the billet includes the following components in mass percentage: chromium: 23.00%, manganese: 0.55 %, nickel: 0.30%, molybdenum: 0.30%, titanium: 0.20%, copper: 0.25%, silicon: 0.10%, phosphorus: 0.01%, sulfur: 0.01%, carbon: 2.20%, and the rest is iron.

[0048] S202: Finish rolling the billet into a wear-resistant plate of a preset size, milling a number of T-shaped bars on one side of the wear-resistant plate by a CNC milling machine, and milling a number of T-shaped bars on the T-shaped bars on both sides. a threaded hole;

[0049] S203: Select a substrate, the substrate is made of low-carbon low-alloy steel, and sequentially perform acidification treatment, phosphating...

Embodiment 3

[0057] The embodiment of the present invention provides a method for preparing high wear-resistant steel, including steps S301-S307:

[0058] S301: Using high-chromium cast iron as the base material, adding alloys to the base material for smelting to obtain a billet, the smelting temperature is 1350°C, and the billet includes the following components in mass percentage: chromium: 30.00%, manganese: 2.00% %, nickel: 2.40%, molybdenum: 2.80%, titanium: 1.50%, copper: 1.20%, silicon: 1.20%, phosphorus: 0.08%, sulfur: 0.06%, carbon: 3.20%, and the rest is iron.

[0059] S302: Finish rolling the billet into a wear-resistant plate with a preset size, milling a number of T-shaped bars on one side of the wear-resistant plate with a CNC milling machine, and milling a number of T-shaped bars on the T-shaped bars on both sides. a threaded hole;

[0060] S303: Select a substrate, the substrate is made of low-carbon low-alloy steel, and sequentially perform acidification treatment, phosph...

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Abstract

The invention provides a preparation method for high-wear-resistant steel. The preparation method comprises the steps that high-chromium cast iron is taken as a base material, an alloy is added into the base material for smelting to obtain a blank, a workpiece obtains high wear resistance, toughness and strength, the blank is finely rolled into a wear-resistant plate with a preset size, a grouting bag filled with a bonding solution is stuffed into each T-shaped groove, T-shaped strips on the wear-resistant plate are inserted from the open ends of the T-shaped grooves to extrude the grouting bags inwards till the T-shaped strips are inserted into the innermost part of the T-shaped grooves, coatings of the grouting bags are extruded to be broken, the bonding solutions inside the grouting bags flow out and fill a gap between the wear-resistant plate and a base plate to form a bonding layer, and countersunk bolts on the two sides of the base plate sequentially penetrate through countersunk holes and threaded holes so as to tighten the base plate and the T-shaped strips. The wear-resistant plate and the base plate are combined together through the T-shaped strips and the T-shaped grooves, are bonded through the bonding solutions, and the wear-resistant plate and the base plate are firmly bonded, and then are tightened and locked through the bolts, so that the firmness of the wear-resistant plate and the base plate is further guaranteed.

Description

technical field [0001] The invention relates to the field of high wear-resistant steel production, in particular to a preparation method of high wear-resistant steel. Background technique [0002] Wear, corrosion, and fracture are listed as the three major failure modes of metal mechanical parts. The annual consumption of metal materials due to wear in my country has reached more than 3 million tons; modern industry urgently needs workpieces that can work effectively under harsh wear conditions. On the premise of ensuring the strength, stiffness and fatigue resistance of mechanical parts, how to improve the wear resistance of the material surface has become a hot spot in research and development. [0003] Wear-resistant composite steel plate is a kind of wear-resistant composite material produced by composite technology. It combines the advantages of wear-resistant alloy and matrix material in design, and makes up for their respective shortcomings. It has excellent comprehen...

Claims

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Application Information

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IPC IPC(8): C22C33/08C22C37/08C22C37/10B23C3/00B23P15/00C09J11/04C09J163/00
CPCB23C3/00B23P15/00C08K2003/2227C09J11/04C09J163/00C22C33/08C22C37/08C22C37/10C08K3/22C08K3/32
Inventor 陈龙彬吴占恒邹九九施杨杨王景辉
Owner 福建辉丰环境工程科技有限公司
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