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Nickel-chromium high-resistance electrothermal alloy

An electrothermal alloy and high resistance technology, which is applied in the field of nickel-chromium high-resistance electrothermal alloys, can solve the problems that the surface oxidation resistance and processing performance of nickel-chromium high-resistance electrothermal alloys need to be improved, and achieve good processing performance, weldability, and surface resistance. Good oxidizing property and high temperature grade effect

Inactive Publication Date: 2016-04-20
CHANGSHU MEILI ALLOY MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The surface oxidation resistance, temperature grade, strength at high temperature, and processing performance of the existing nickel-chromium high-resistance electric heating alloys need to be improved.

Method used

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  • Nickel-chromium high-resistance electrothermal alloy
  • Nickel-chromium high-resistance electrothermal alloy

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] A nickel-chromium high-resistance electric heating alloy is made of alloy material, and the composition of the alloy material is as follows:

[0045] P:1~2%,

[0046] S: 1.1%,

[0047] V:0.9%,

[0048] Co: 1.3%,

[0049] Cd: 0.8%,

[0050] :15.5%,

[0051] The balance is Ni and unavoidable impurities;

[0052] The alloy material is prepared through the following steps:

[0053] 1) Melting Ni, P, Ni-S alloy and Ni-V alloy under protective atmosphere;

[0054] 2) Adjust the temperature to 905°C, add Ni-Co alloy, Ni-Cd alloy and Ni- Alloy, stir evenly, keep warm for 26 minutes;

[0055] 3) Introduce argon gas, let the melt stand and cool down to 605°C, and die-cast to obtain the alloy material.

Embodiment 2

[0057] Nickel-chromium high-resistance electric heating alloy is made of alloy material, and the composition of the alloy material is as follows:

[0058] P: 1%,

[0059] S: 1.1%,

[0060] V:0.9%,

[0061] Co: 1.3%,

[0062] Cd: 0.8%,

[0063] :15.5%,

[0064] The balance is Ni and unavoidable impurities;

[0065] The alloy material is prepared through the following steps:

[0066] 1) Melting Ni, P, Ni-S alloy and Ni-V alloy under protective atmosphere;

[0067] 2) Adjust the temperature to 905°C, add Ni-Co alloy, Ni-Cd alloy and Ni- Alloy, stir evenly, keep warm for 26 minutes;

[0068] 3) Introduce argon gas, let the melt stand and cool down to 605°C, and die-cast to obtain the alloy material.

Embodiment 3

[0070] Nickel-chromium high-resistance electric heating alloy is made of alloy material, and the composition of the alloy material is as follows:

[0071] P: 2%,

[0072] S: 1.1%,

[0073] V:0.9%,

[0074] Co: 1.3%,

[0075] Cd: 0.8%,

[0076] :15.5%,

[0077] The balance is Ni and unavoidable impurities;

[0078] The alloy material is prepared through the following steps:

[0079] 1) Melting Ni, P, Ni-S alloy and Ni-V alloy under protective atmosphere;

[0080] 2) Adjust the temperature to 905°C, add Ni-Co alloy, Ni-Cd alloy and Ni- Alloy, stir evenly, keep warm for 26 minutes;

[0081] 3) Introduce argon gas, let the melt stand and cool down to 605°C, and die-cast to obtain the alloy material.

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Abstract

The invention discloses a nickel-chromium high-resistance electrothermal alloy. The nickel-chromium high-resistance electrothermal alloy is made from an alloy material, and the alloy material comprises the following ingredients: 1-2% of P, 1.1% of S, 0.9% of V, 1.3% of Co, 0.8% of Cd, 15.5% of Cr, and the balance Ni and inevitable impurities; and the alloy material is prepared through the following steps: 1) melting Ni, P, Ni-S alloy and Ni-V alloy under a protective atmosphere; 2) adjusting a temperature to 905 DEG C, adding Ni-Co alloy, Ni-Cd alloy and Ni-Cr alloy into a melt, uniformly stirring, and insulating heat and standing for 26 minutes; and 3) charging argon, and standing and cooling the melt to 605 DEG C, and carrying out die-casting to obtain the alloy material. The nickel-chromium high-resistance electrothermal alloy disclosed by the invention has a high electrical resistivity, high surface oxidation resistance, a high temperature class, and a high strength under a high temperature.

Description

technical field [0001] The invention relates to a nickel-chromium high-resistance electrothermal alloy. Background technique [0002] The surface oxidation resistance, temperature grade, strength at high temperature, and processing performance of the existing nickel-chromium high-resistance electric heating alloys need to be improved. Contents of the invention [0003] The purpose of the present invention is to provide a nickel-chromium high-resistance electric heating alloy, which is made of alloy material, has high resistivity, good surface oxidation resistance, high temperature level, and has high strength at high temperature, and has good Excellent processing performance and weldability, long service life. [0004] In order to achieve the above object, the technical solution of the present invention is to design a nickel-chromium high-resistance electric heating alloy, which is made of alloy material, and the composition of the alloy material is: [0005] P:1~2%, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C19/05C22C1/03
CPCC22C19/056C22C1/023C22C1/03
Inventor 陈俊达
Owner CHANGSHU MEILI ALLOY MATERIAL CO LTD
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