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Round heat treatment tray made of high precision cast stainless steel

A stainless steel, high-precision technology, applied in heat treatment furnaces, heat treatment equipment, manufacturing tools, etc., can solve the problems of poor deformation and oxidation resistance, general strength and oxidation resistance, and unsatisfactory performance of the tray, etc. Good oxidation performance, solve the effect of poor deformation resistance and oxidation performance, improve quality and benefit

Inactive Publication Date: 2019-02-12
XINGHUA DONGCHANG ALLOY STEEL
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The unsatisfactory performance of the trays used in heat treatment furnaces has troubled us for many years. The main performance is that the trays have low high-temperature performance, poor deformation and oxidation resistance. Therefore, not only the trays themselves are prone to deformation during use, but also affect the There are two main reasons for the quality, performance and safety of heat treatment: one is the general strength and oxidation resistance of the raw material of the tray, and the second is the structural design of the loading plate of the tray

Method used

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  • Round heat treatment tray made of high precision cast stainless steel
  • Round heat treatment tray made of high precision cast stainless steel
  • Round heat treatment tray made of high precision cast stainless steel

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Embodiment Construction

[0010] A stainless steel circular heat treatment pan, which improves the raw material composition of the heat treatment pan. The steel contains a certain amount of carbon, high chromium content and a small amount of silicon and nitrogen. The diameter of the circular bearing plate is about 150cm-170cm. There are several hollow hexagons (2) on the bearing plate. The side length of the hexagons (2) is about 10cm, and the height is about 25cm. It is networked on the bearing plate. Structural distribution; in the center of the load plate there is a hollow cylinder (3). The hollow cylinder (3) has a diameter of 30-40 cm and a height of about 25 cm. It can be superimposed with multiple trays for heat treatment at the same time. Finally, the heat-treated trays are electrolytically polished to prevent rust and deformation of the trays.

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Abstract

The invention designs a heat treatment tray. The heat treatment tray comprises a bearing plate, a hollow cylinder in the middle of the bearing plate and a plurality of hexagons of a network-shaped structure on the surface of the bearing plate. The tray is a vulnerable part and has to have enough high-temperature strength to bear the mass of a workpiece and transfer the thrust of a pusher under a hot condition. The heat treatment tray uses raw materials containing a certain amount of carbon, chrome, nickel, silicon and other elements and can have good plastic toughness and good oxidation resistance. The structure of the tray is of grid design, the bending strength is enhanced, water and steam penetration is facilitated, and multiple trays can be overlapped for use.

Description

technical field [0001] The invention relates to a stainless steel circular heat treatment tray, in particular to a tray with high thermal strength and good oxidation resistance, and belongs to the field of heat treatment trays. technical background [0002] The unsatisfactory performance of the trays used in heat treatment furnaces has troubled us for many years. The main performance is that the trays have low high-temperature performance, poor resistance to deformation and oxidation resistance. Therefore, not only the trays themselves are prone to deformation during use, but also affect the There are two main reasons for the quality, performance and safety of heat treatment: one is the general strength and oxidation resistance of the raw material of the tray, and the second is the structural design of the loading plate of the tray. The stainless steel circular heat treatment tray designed by the present invention has good plasticity, toughness, good oxidation resistance and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D9/00C22C38/02C22C38/18C25F3/24
CPCC21D9/0025C22C38/001C22C38/02C22C38/18C25F3/24
Inventor 李海翔李冬取杨勤
Owner XINGHUA DONGCHANG ALLOY STEEL
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