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Nickel-chromium alloy wire

A nickel-chromium alloy and alloy technology is applied in the field of nickel-chromium alloy wire to achieve high resistivity, good processing performance, weldability, and good surface oxidation resistance.

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 alloy wire need to be improved.

Method used

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  • Nickel-chromium alloy wire
  • Nickel-chromium alloy wire

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] A nickel-chromium alloy wire is made of alloy material, and the composition of the alloy material is as follows:

[0045] P:1~2%,

[0046] Te:0.9%,

[0047] Be: 1.1%,

[0048] Sr: 0.7%,

[0049] Nb: 0.3%,

[0050] :19.5%,

[0051] The balance is Ni and unavoidable impurities;

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

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

[0054] 2) Adjust the temperature to 975°C, add Ni-Sr alloy, Ni-Nb alloy and Ni- Alloy, stir evenly, keep warm for 33 minutes;

[0055] 3) Introduce argon gas, let the melt stand and cool down to 675°C, and die-cast to obtain the alloy material.

Embodiment 2

[0057] Nickel-chromium alloy wire, made of alloy material, by weight percentage, the composition of the alloy material is:

[0058] P: 1%,

[0059] Te:0.9%,

[0060] Be: 1.1%,

[0061] Sr: 0.7%,

[0062] Nb: 0.3%,

[0063] :19.5%,

[0064] The balance is Ni and unavoidable impurities;

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

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

[0067] 2) Adjust the temperature to 975°C, add Ni-Sr alloy, Ni-Nb alloy and Ni- Alloy, stir evenly, keep warm for 33 minutes;

[0068] 3) Introduce argon gas, let the melt stand and cool down to 675°C, and die-cast to obtain the alloy material.

Embodiment 3

[0070] Nickel-chromium alloy wire, made of alloy material, by weight percentage, the composition of the alloy material is:

[0071] P: 2%,

[0072] Te:0.9%,

[0073] Be: 1.1%,

[0074] Sr: 0.7%,

[0075] Nb: 0.3%,

[0076] :19.5%,

[0077] The balance is Ni and unavoidable impurities;

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

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

[0080] 2) Adjust the temperature to 975°C, add Ni-Sr alloy, Ni-Nb alloy and Ni- Alloy, stir evenly, keep warm for 33 minutes;

[0081] 3) Introduce argon gas, let the melt stand and cool down to 675°C, and die-cast to obtain the alloy material.

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Abstract

The invention discloses a nickel-chromium alloy wire. The nickel-chromium alloy wire is made from an alloy material, and the alloy material comprises the following ingredients: 1-2% of P, 0.9% of Te, 1.1% of Be, 0.7% of Sr, 0.3% of Nb, 19.5% of Cr, and the balance Ni and inevitable impurities; and the alloy material is prepared through the following steps: 1) melting Ni, P, Ni-Te alloy and Ni-Be alloy under a protective atmosphere; 2) adjusting a temperature to 975 DEG C, adding Ni-Sr alloy, Ni-Nb alloy and Ni-Cr alloy into a melt, uniformly stirring, and insulating heat and standing for 33 minutes; and 3) charging argon, and standing and cooling the melt to 675 DEG C, and carrying out die-casting to obtain the alloy material. The nickel-chromium alloy wire 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] This invention relates to Nichrome wire. Background technique [0002] The surface oxidation resistance, temperature grade, strength at high temperature, and processing performance of the existing nickel-chromium alloy wire need to be improved. Contents of the invention [0003] The object of the present invention is to provide a nickel-chromium alloy wire, which is made of alloy material, has high electrical resistivity, good surface oxidation resistance, high temperature grade, high strength at high temperature, and 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 kind of nickel-chromium alloy wire, made of alloy material, by weight percentage, the composition of this alloy material is: [0005] P:1~2%, [0006] Te:0.9%, [0007] Be: 1.1%, [0008] Sr: 0.7%, [0009] Nb: 0.3%, [0010] :19.5%, [0011] The balance i...

Claims

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Application Information

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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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