High-resistance chromium-nickel electrothermal alloy material

A technology of alloy materials and electric heating alloys, which is applied in the field of high resistance chromium-nickel electric heating alloy materials, can solve the problems of surface oxidation resistance and processing performance to be improved, and achieve good processing performance and weldability, high resistivity, and long service life Effect

Inactive Publication Date: 2016-05-04
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 level, strength at high temperature, and processing performance of the existing high-resistance chromium-nickel electric heating alloy materials need to be improved.

Method used

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  • High-resistance chromium-nickel electrothermal alloy material

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Experimental program
Comparison scheme
Effect test

Embodiment 1

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

[0045] P:1~2%,

[0046] Se: 1.3%,

[0047] Mg:0.8%,

[0048] Ge: 0.4%,

[0049] Tc:0.9%,

[0050] :28.5%,

[0051] The balance is Ni and unavoidable impurities;

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

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

[0054] 2) Adjust the temperature to 955°C, add Ni-Ge alloy, Ni-Tc alloy and Ni- Alloy, stir evenly, keep warm for 31 minutes;

[0055] 3) Introduce argon gas, let the melt stand still and cool down to 655°C, and die-cast to obtain the alloy material.

Embodiment 2

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

[0058] P: 1%,

[0059] Se: 1.3%,

[0060] Mg:0.8%,

[0061] Ge: 0.4%,

[0062] Tc:0.9%,

[0063] :28.5%,

[0064] The balance is Ni and unavoidable impurities;

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

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

[0067] 2) Adjust the temperature to 955°C, add Ni-Ge alloy, Ni-Tc alloy and Ni- Alloy, stir evenly, keep warm for 31 minutes;

[0068] 3) Introduce argon gas, let the melt stand still and cool down to 655°C, and die-cast to obtain the alloy material.

Embodiment 3

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

[0071] P: 2%,

[0072] Se: 1.3%,

[0073] Mg:0.8%,

[0074] Ge: 0.4%,

[0075] Tc:0.9%,

[0076] :28.5%,

[0077] The balance is Ni and unavoidable impurities;

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

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

[0080] 2) Adjust the temperature to 955°C, add Ni-Ge alloy, Ni-Tc alloy and Ni- Alloy, stir evenly, keep warm for 31 minutes;

[0081] 3) Introduce argon gas, let the melt stand still and cool down to 655°C, and die-cast to obtain the alloy material.

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Abstract

The invention discloses a high-resistance chromium-nickel electrothermal alloy material. The high-resistance chromium-nickel electrothermal alloy material is made of an alloy material, and the alloy material comprises the following components: 1-2% of P, 1.3% of Se, 0.8% of Mg, 0.4% of Ge, 0.9% of Tc, 28.5% of Cr, and the balance of Ni and inevitable impurities. The alloy material is prepared by the following steps: (1) melting Ni, P, Ni-Se alloy and Ni-Mg alloy under a protective atmosphere; (2) adjusting the temperature to 955 DEG C, adding Ni-Ge alloy, Ni-Tc alloy and Ni-Cr alloy in melt, evenly stirring, insulating and standing for 31 minutes; and (3) feeding argon, standing and cooling the melt to 655 DEG C, and carrying out die casting to obtain the alloy material. The high-resistance chromium-nickel electrothermal alloy material has relatively high resistivity, is good in surface oxidation resistance and high in temperature grade, and has relatively high strength at high temperature.

Description

technical field [0001] The invention relates to a high-resistance chromium-nickel electric heating alloy material. Background technique [0002] The surface oxidation resistance, temperature grade, strength at high temperature, and processing performance of the existing high-resistance chromium-nickel electric heating alloy materials need to be improved. Contents of the invention [0003] The object of the present invention is to provide a high-resistance chromium-nickel electric heating alloy material, which is made of alloy material, has high resistivity, good surface oxidation resistance, high temperature level, and high strength at high temperature, and has Good 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 high-resistance chromium-nickel electric heating alloy material, which is made of alloy material, and the composition of the alloy material is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C19/05C22C1/03
CPCC22C19/058C22C1/023C22C1/03
Inventor 陈俊达
Owner CHANGSHU MEILI ALLOY MATERIAL CO LTD
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