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Machining method of iron-chromium-aluminum high-resistance electrothermal alloy

A technology of electrothermal alloy and processing method, which is applied in the processing field of iron-chromium-aluminum high-resistance electrothermal alloy, can solve problems such as shortening the service life and limiting the scope of use, and achieves the effects of high safety in use, process optimization, and prevention of deterioration.

Inactive Publication Date: 2021-06-11
JIANGSU MINGLUSINLESS STEEL
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Problems solved by technology

It not only limits the scope of use, but also seriously shortens the service life

Method used

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Embodiment Construction

[0009] A processing method of iron-chromium-aluminum high-resistance electric heating alloy, which adopts a new production method to process iron-chromium-aluminum high-resistance electric heating alloy material with better performance, not only more efficient in the production process, but also can guarantee the produced iron-chromium The oxidation resistance, heat resistance and corrosion resistance of aluminum high-resistance electric heating alloys are more reliable, which can meet the needs of a wider range of use environments, and ensure that the overall cost in the production process is lower, and the use in the process of use More security. It comprises the following steps: 1) taking corresponding weight parts of chromium, aluminum, iron, yttrium, titanium, rhenium, cobalt, lanthanum, yttrium rare earth elements and fully mixing, and fully stirring at a temperature of 80-90 ° C for 10 Minutes; where chromium: 26.5 parts by weight; aluminum: 17.2 parts by weight; iron: ...

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Abstract

The invention relates to the technical field of electrothermal alloy materials, in particular to a machining method of an iron-chromium-aluminum high-resistance electrothermal alloy. According to the technical scheme, the method comprises the following step of 1) weighing corresponding parts of chromium, aluminum, iron, yttrium, titanium, rhenium, cobalt and rare earth elements of lanthanum and yttrium by weight, fully mixing, and fully stirring for 10 minutes at the temperature of 80-90 DEG C, wherein the components specifically comprise 26.5 parts of chromium, 17.2 parts of aluminum, 33.5 parts of iron, 28.1 parts of yttrium, 1.44 parts of titanium, 8.25 parts of rhenium, 0.6 to 1.3 parts of cobalt, 1.5 parts of silicon, 6.8 parts of manganese, and 0.3-0.4 part of rare earth elements of lanthanum and yttrium. The machining method has the advantages that the oxidation resistance, the heat resistance, the corrosion resistance and the like of the produced iron-chromium-aluminum high-resistance electrothermal alloy can be ensured to be more reliable, the use requirements in a wider use environment can be met, and the overall cost in the production process is ensured to be lower.

Description

technical field [0001] The invention relates to the technical field of electrothermal alloy materials, in particular to a processing method for an iron-chromium-aluminum high-resistance electrothermal alloy. Background technique [0002] Electrothermal alloy materials are resistance alloys that use the resistance properties of substances to manufacture heating elements. At present, the electrothermal alloy material has become an important engineering alloy material, which is suitable for machinery, metallurgy, electronics, chemical industry and other industries, and occupies an important position in the national economy. The electrothermal alloys currently used are mainly divided into two categories: iron-chromium-aluminum alloys with ferrite structure and nickel-chromium alloys with austenite structure. Iron-chromium-aluminum alloys have a series of advantages over nickel-chromium alloys, such as higher allowable service temperature , high resistivity, easy hot and cold pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C30/00C22C1/03C22F1/00
CPCC22C1/03C22C30/00C22F1/00
Inventor 马爱明
Owner JIANGSU MINGLUSINLESS STEEL
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