0cr23al5 And 0cr21al4 Fecral Alloy Resistance Wires - China
price: contact company for price
In industrial and commercial heating applications, selecting the right material for resistance wires is critical to achieving long-lasting, energy-efficient, and reliable performance.
FeCrAl (Iron-Chromium-Aluminum) alloys, specifically 0Cr23Al5 and 0Cr21Al4, have emerged as some of the most efficient and durable options for high-temperature resistance wires.
These alloys offer an optimal balance of heat resistance, oxidation resistance, and mechanical strength, making them ideal for a wide range of heating applications.
In this article, we will delve into the materials' characteristics, their applications, the specific grades, manufacturing processes, and how these alloys meet user demands for efficient heating solutions.
Material Introduction
FeCrAl alloys are primarily composed of iron, chromium, and aluminum.
The addition of chromium enhances the material's resistance to oxidation, while aluminum significantly improves oxidation resistance, making these alloys well-suited for high-temperature environments where conventional metals would degrade quickly.
0Cr23Al5: This alloy contains 23% chromium and 5% aluminum.
It offers excellent oxidation resistance and can operate in high-temperature environments of up to 1300°C.
Its high chromium content allows it to retain its strength and integrity under continuous high-heat conditions, which is critical for long-term applications in industrial heating systems.
0Cr21Al4: This alloy consists of 21% chromium and 4% aluminum.
Although it has slightly less chromium than 0Cr23Al5, it still provides robust resistance to oxidation and high-temperature stability, capable of withstanding temperatures up to 1200°C.
Its balance of properties makes it suitable for general industrial heating applications where the temperature demands are slightly lower but still significant.
Company Contact:
- Posted By: DZX ALLOY
- Phone: 13218680935
- Address: 新北区太湖西路 , 常州 , 江苏 , China
- Email:

- Website: https://www.dlxalloys.com/
Published date: February 10, 2026
- Business Description: Established in 2002, Over 22 years of industry experience in providing OEM/ODM services Location: Zhenjiang Industrial Park, Jiangsu Province, covers an area of about 12,000 square meters.
Annual output: The total output of alloy material is about 1200 tons, the main products include electric heating alloy material, high temperature alloy, special nickel-based welding wire, furnace bar, etc.
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