Embedded saddle dedicated alloy material

An alloy material and embedded technology, which is applied in the field of alloy materials, can solve problems such as short service life, high maintenance cost, and potential safety hazards, and achieve the effects of avoiding production accidents, improving production efficiency, and increasing service life

Inactive Publication Date: 2014-08-20
WUXI HUAERTAI MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, there are a large number of embedded saddles in the domestic market, but their service life is short, they are easily corroded, and the surface is seriously oxidized, causing production accidents, and the maintenance cost is high, which brings hidden safety hazards in production. Looking for a built-in saddle with long service life, corrosion resistance and higher reliability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] An alloy material for an embedded saddle provided in this embodiment, the mass percent of the composition of the alloy material is: Ni: 5%, Cr: 12%, Si: 1.6%, S: 0.1%, C: 0.25%, Mn : 0.1%, B: 0.05%, Si: 0.2%, P: 0.003%, W: 0.8%, Ti: 0.5%, compound rare earth: 3.2%, the rest is Fe and unavoidable impurities;

[0027] The composite rare earth contains the following components by weight percentage: La: 32%, Y: 18%, Sc: 12%, Gd: 1%, Sm: 2%, Dy: 23%, Nd: 8%; the rest is Ce And unavoidable impurity, the preparation method of this alloy material is carried out as follows:

[0028] Step (1): Send the raw materials into the forging furnace for forging. The forging temperature is 900°C, hold for 30 minutes, then add the prepared compound rare earth, increase the forging temperature to 1000°C, hold for 30 minutes, and then use air cooling at 10°C / Cool at a speed of S to 500°C, and then water-cool to 30°C at a speed of 20°C / S;

[0029] Step (2): Heat the forged blank to 550°C fi...

Embodiment 2

[0034] An alloy material for an embedded saddle provided in this embodiment, the mass percent of the composition of the alloy material is: Ni: 7%, Cr: 14%, Si: 1.8%, S: 0.3%, C: 0.3%, Mn : 0.3%, B: 0.08%, Si: 0.5%, P: 0.009%, W: 1.2%, Ti: 0.8%, compound rare earth: 3.6%, the rest is Fe and unavoidable impurities;

[0035] The composite rare earth contains the following components by weight percentage: La: 35%, Y: 21%, Sc: 14%, Gd: 3%, Sm: 6%, Dy: 26%, Nd: 11%; the rest is Ce And unavoidable impurity, the preparation method of this alloy material is carried out as follows:

[0036]Step (1): Put the raw material into the forging furnace for forging. The forging temperature is 980°C, keep it warm for 50 minutes, then add the prepared compound rare earth, increase the forging temperature to 1100°C, keep it warm for 60 minutes, and then use air cooling at 15°C / Cool at a speed of S to 550°C, and then water-cool to 40°C at a speed of 25°C / S;

[0037] Step (2): Heat the forged blan...

Embodiment 3

[0042] An alloy material for an embedded saddle provided in this embodiment, the mass percent of the composition of the alloy material is: Ni: 6%, Cr: 13%, Si: 1.7%, S: 0.2%, C: 0.26%, Mn : 0.2%, B: 0.06%, Si: 0.4%, P: 0.005%, W: 0.9%, Ti: 0.6%, compound rare earth: 3.5%, the rest is Fe and unavoidable impurities;

[0043] The composite rare earth contains the following components by weight percentage: La: 33%, Y: 20%, Sc: 13%, Gd: 2%, Sm: 5%, Dy: 24%, Nd: 9%; the rest is Ce And unavoidable impurity, the preparation method of this alloy material is carried out as follows:

[0044] Step (1): Send the raw materials into the forging furnace for forging. The forging temperature is 950°C, and the temperature is kept for 40 minutes. Cool at a speed of S to 530°C, and then water-cool to 35°C at a speed of 23°C / S;

[0045] Step (2): Heat the forged blank to 580°C first, keep it warm for 40 minutes, then increase the temperature to 880°C, then use air cooling to 620°C, then cool to 4...

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PUM

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Abstract

The invention discloses an embedded saddle dedicated alloy material which comprises the following components, by weight, 5-7% of Ni, 12-14% of Cr, 1.6-1.8% of Si, 0.1-0.3% of S, 0.25-0.3% of C, 0.1-0.3% of Mn, 0.05-0.08% of B, 0.2-0.5% of Si, 0.003-0.009% of P, 0.8-1.2% of W, 0.5-0.8% of Ti, 3.2-3.6% of compound rare earth and the balance Fe. A preparation method of the alloy material comprises the following steps: Step (1) the raw materials are sent into a forging furnace for forging; Step (2) a workblank is heated to 550-600 DEG C; Step (3) the blank undergoes solid solution treatment; Step (4) the blank is quenched and tempered; and Step (5) a finished product is obtained after being detected qualified.

Description

technical field [0001] The invention relates to an alloy material, in particular to an alloy material for an embedded saddle. Background technique [0002] At present, there are a large number of embedded saddles in the domestic market, but their service life is short, they are easily corroded, and the surface is seriously oxidized, causing production accidents, and the maintenance cost is high, which brings hidden safety hazards in production. Looking for a built-in saddle with long service life, corrosion resistance and higher reliability. Contents of the invention [0003] The technical problem to be solved by the present invention is to propose an alloy material for an embedded saddle in view of the above shortcomings of the prior art, which improves the product quality and enhances the anti-oxidation, corrosion resistance and high temperature resistance of the embedded saddle. , increase the service life of the embedded saddle, meet the requirements of safe and relia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/60C21D6/00
Inventor 李忠云
Owner WUXI HUAERTAI MACHINERY MFG
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