Precise and high-strength sheet metal part and corrosion-resistant vacuum heat treatment technology thereof

A technology of vacuum heat treatment and sheet metal parts, applied in the field of sheet metal parts processing, can solve the problems of increasing scrap rate, threat of environmental pollution, high damage rate and so on

Inactive Publication Date: 2018-03-23
博维恩冷冻科技(苏州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The alloy materials in the prior art have low wear resistance and corrosion resistance, and the damage rate is high. The damage of the sheet metal parts often leads to the damage of the whole product, which greatly increases the scrap rate and causes great harm t

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0081] This embodiment provides a precision high-strength sheet metal part, including the sheet metal part, and the weight percentage composition of the sheet metal part is: Zr: 0.03%, Re: 1.56%, Bi: 1.32%, C: 0.05%, Si: 3.32% , Mn: 1.26%, Mo: 0.12%, Ni: 0.6%, Cu: 2.23%, Ti: 1.19%, lanthanide rare earth: 25%, the rest is Fe and trace impurities;

[0082] Rare earths contain the following components by weight percentage: Ce: 9.6%, La: 11%, Y: 9%, Sc: 11%, Gd: 6%, Sm: 2%, and the balance is Gd; The production process is carried out in the following steps:

[0083] (1) Making the billet into a thin plate shape, the specific process is:

[0084] Billets are heated at a temperature of 1550°C;

[0085] High-pressure water descaling, the descaling pressure is set at 19MPa, and the red steel temperature after descaling is 1100°C;

[0086] For rolling, the inlet temperature of the roughing mill is 1090°C, and the inlet temperature of the finishing mill is 950°C;

[0087] Reducing a...

Embodiment 2

[0110] This embodiment provides a precision high-strength sheet metal part, including the sheet metal part, and the weight percentage composition of the sheet metal part is: Zr: 0.09%, Re: 1.98%, Bi: 1.59%, C: 0.16%, Si: 3.56% , Mn: 1.38%, Mo: 0.15%, Ni: 0.9%, Cu: 2.58%, Ti: 1.25%, lanthanide rare earth: 29%, the rest is Fe and trace impurities;

[0111] Rare earths contain the following components by weight percentage: Ce: 9.9%, La: 15%, Y: 18%, Sc: 15%, Gd: 9%, Sm: 6%, and the balance is Gd; The production process is carried out in the following steps:

[0112] (1) Making the billet into a thin plate shape, the specific process is:

[0113] Billets are heated at a temperature of 1750°C;

[0114] High-pressure water descaling, the descaling pressure is set to 21MPa, and the red steel temperature after descaling is 1200°C;

[0115] For rolling, the inlet temperature of the roughing mill is 1110°C, and the inlet temperature of the finishing mill is 970°C;

[0116] Reducing ...

Embodiment 3

[0139] This embodiment provides a precision high-strength sheet metal part, including the sheet metal part, and the weight percentage composition of the sheet metal part is: Zr: 0.05%, Re: 1.65%, Bi: 1.48%, C: 0.12%, Si: 3.42% , Mn: 1.32%, Mo: 0.14%, Ni: 0.8%, Cu: 2.45%, Ti: 1.21%, lanthanide rare earth: 27%, the rest is Fe and trace impurities;

[0140] Rare earths contain the following components by weight percentage: Ce: 9.7%, La: 14%, Y: 16%, Sc: 12%, Gd: 8%, Sm: 5%, and the balance is Gd; The production process is carried out in the following steps:

[0141] (1) Making the billet into a thin plate shape, the specific process is:

[0142] Billets are heated at a temperature of 1650°C;

[0143] High-pressure water descaling, the descaling pressure is set at 20MPa, and the red steel temperature after descaling is 1150°C;

[0144] For rolling, the inlet temperature of the roughing mill is 1090-1110°C, and the inlet temperature of the finishing mill is 960°C;

[0145] Redu...

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PUM

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Abstract

The invention discloses a precise and high-strength sheet metal part. The precise and high-strength sheet metal part comprises a sheet metal part body. The sheet metal part body comprises, by weight,0.03-0.09% of Zr, 1.56-1.98% of Re, 1.32-1.59% of Bi, 0.05-0.16% of C, 3.32-3.56% of Si, 1.26-1.38% of Mn, 0.12-0.15% of Mo, 0.6-0.9% of Ni, 2.23-2.58% of Cu, 1.19-1.25% of Ti, 25-29% of lanthanide-series rare earth, and the balance Fe and trace impurities. The rare earth comprises, by weight, 9.6-9.9% of Ce, 11-15% of La, 9-18% of Y, 11-15% of Sc, 6-9% of Gd, 2-6% of Sm, and the balance Gd.

Description

technical field [0001] The invention relates to the technical field of sheet metal parts processing, in particular to a precision high-strength sheet metal part and its corrosion-resistant vacuum heat treatment process. Background technique [0002] The alloy materials in the prior art have low wear resistance and corrosion resistance, and the damage rate is high. The damage of the sheet metal parts often leads to the damage of the whole product, which greatly increases the scrap rate and causes great harm to the environmental pollution. Threat, in order to improve the utilization rate of sheet metal parts, reduce the scrap rate, save time and effort, the present invention proposes a precision high-strength sheet metal part and its corrosion-resistant vacuum heat treatment process. Contents of the invention [0003] The technical problem to be solved by the present invention is to propose a precision high-strength sheet metal part and its corrosion-resistant vacuum heat tr...

Claims

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Application Information

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IPC IPC(8): C22C38/02C22C38/04C22C38/14C22C38/12C22C38/08C22C38/16B23P17/00C21D1/26C21D1/18C23G1/24B08B3/12B08B3/02
Inventor 唐荣陆荣晓
Owner 博维恩冷冻科技(苏州)有限公司
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