Deformation-resistance material fork and manufacturing method thereof

A manufacturing method and anti-deformation technology, which is applied in the field of metallurgy, can solve problems such as affecting material transfer, low service life, and easy deformation of forks, and achieve the effects of improving anti-deformation ability, prolonging service life, and good toughness

Inactive Publication Date: 2020-07-07
TLON TECHN FURNACES WUXI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the carburizing and quenching heat treatment production line of the annular furnace realizes the transfer of workpieces through the rotation of the annular furnace bottom. Among them, the material transfer mechanism is a mechanical device based on the material transfer during the heat treatment and carburizing process developed by it. According to research and development requirements, it is necessary to ensure that the carburizing atmosphere is not affected, and the atmosphere in the furnace must not leak. This requires that the material transfer mechanism must work in a completely sealed environment. The transfer of the working position of the workpiece material in different process periods, but in the high temperature furnace with 980 °C, the material fork is easily deformed and has a low service life, which affects the transfer of materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] An anti-deformation fork, its material components include: C: 0.03%; Si: 0.3%; Mn: 0.8%; P: 0.015%; S: 0.01%; Cr: 20%; Ni: 12% ; Ti: 5*C; Mo: 0.3%; Nb: 0.2%.

[0016] The grain size of the material fork is controlled at 5.0-8.0; the non-destructive testing grade of the material fork is level II; the performance requirements of the material fork are: yield strength 926-1030MPa, tensile strength ≥ 930MPa, elongation ≥ 10%.

[0017] A method for manufacturing an anti-deformation material fork, comprising the following steps:

[0018] S1, according to the mass percentage of components: C: 0.03%; Si: 0.3%; Mn: 0.8%; P: 0.015%; S: 0.01%; Cr: 20%; Ni: 12%; Ti: 5*C; Mo : 0.3%; Nb: 0.2% ratio of raw materials, and according to the conventional smelting and forging method to produce ingots;

[0019] S2. Electroslag remelting of ingots for metal smelting and purification, followed by forging into billets;

[0020] S3. Heat the prepared billet in a heating furnace at a rate of 1...

Embodiment 2

[0023] An anti-deformation fork, its material components include: C: 0.05%; Si: 0.6%; Mn: 1.2%; P: 0.03%; S: 0.015%; Cr: 30%; Ni: 20% ; Ti: 6*C; Mo: 0.4%; Nb: 0.3%.

[0024] The grain size of the material fork is controlled at 5.0-8.0; the non-destructive testing grade of the material fork is level II; the performance requirements of the material fork are: yield strength 926-1030MPa, tensile strength ≥ 930MPa, elongation ≥ 10%.

[0025] A method for manufacturing an anti-deformation material fork, comprising the following steps:

[0026] S1, according to the mass percentage of components: C: 0.05%; Si: 0.6%; Mn: 1.2%; P: 0.03%; S: 0.015%; Cr: 30%; Ni: 20%; Ti: 6*C; Mo : 0.4%; Nb: 0.3% ratio of raw materials, and according to the conventional smelting and forging method to produce ingots;

[0027] S2. Electroslag remelting of ingots for metal smelting and purification, followed by forging into billets;

[0028] S3. Heat the prepared billet in a heating furnace at a rate of 1...

Embodiment 3

[0031] An anti-deformation fork, its material components include: C: 0.06%; Si: 0.8%; Mn: 1.8%; P: 0.032%; S: 0.02%; Cr: 35%; Ni: 23% ; Ti: 7*C; Mo: 0.55%; Nb: 0.35%.

[0032] The grain size of the material fork is controlled at 5.0-8.0; the non-destructive testing grade of the material fork is level II; the performance requirements of the material fork are: yield strength 926-1030MPa, tensile strength ≥ 930MPa, elongation ≥ 10%.

[0033] A method for manufacturing an anti-deformation material fork, comprising the following steps:

[0034] S1, according to the mass percentage of components: C: 0.06%; Si: 0.8%; Mn: 1.8%; P: 0.032%; S: 0.02%; Cr: 35%; Ni: 23%; Ti: 7*C; Mo : 0.55%; Nb: 0.35% ratio of raw materials, and according to the conventional smelting and forging method to make ingots;

[0035] S2. Electroslag remelting of ingots for metal smelting and purification, followed by forging into billets;

[0036] S3. Heat the prepared billet in the heating furnace at a rate o...

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Abstract

The invention provides a deformation-resistance material fork and a manufacturing method thereof. By means of the deformation-resistance material fork and the manufacturing method thereof, the deformation resistance of the material fork can be improved, and the service life is prolonged. The deformation-resistance material fork is prepared from, by mass percentage, 0-0.08% of C, 0-1.00% of Si, 0-2.00% of Mn, 0-0.035% of P, 0-0.03% of S, 20% or above of Cr, 12% or above of Ni, 5*C or above of Ti, 0.3-0.60% of Mo, and 0.2-0.4% of Nb.

Description

technical field [0001] The invention relates to the technical field of metallurgy, in particular to a deformation-resistant material fork and a manufacturing method thereof. Background technique [0002] At present, the carburizing and quenching heat treatment production line of the annular furnace realizes the transfer of workpieces through the rotation of the annular furnace bottom. According to research and development requirements, it is necessary to ensure that the carburizing atmosphere is not affected, and the atmosphere in the furnace must not leak. This requires that the material transfer mechanism must work in a completely sealed environment. The transfer of the workpiece material in the working position of different process periods, but in the high temperature furnace with 980 ℃, the material fork is easily deformed, and the service life is low, which affects the material transfer. Contents of the invention [0003] In view of the above problems, the present in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C30/00C22C38/58C22C38/50C22C38/48C22C38/44C22C38/04C22C38/02C22C33/04C21D1/18C21D1/26
CPCC21D1/18C21D1/26C22C30/00C22C33/04C22C38/002C22C38/02C22C38/04C22C38/44C22C38/48C22C38/50C22C38/58
Inventor 周彬彬吴靖吴霁琼浦晓东
Owner TLON TECHN FURNACES WUXI
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