Kanthal® A-1 FeCrAl Alloy Wire Mesh – Alloy Overview

Kanthal A-1 FeCrAl alloy wire mesh is a ferritic iron-chromium-aluminium (FeCrAl) alloy used primarily in electrical resistance heating elements, and other high-temperature settings, up to 2550°F. In addition to other beneficial properties, Kanthal A-1 wire cloth offers both excellent oxidation resistance and high resistivity. It is often chosen over Nichrome V 80/20 (Chromel® A), one of the oldest resistance heating alloys, when higher temperature use, longer life, and higher resistivity levels are required (not to mention its cheaper cost!). Some characteristics of Kanthal A-1 FeCrAl alloy wire cloth which dictate its use are:

  • Ferritic iron-chromium-aluminium (FeCrAl) alloy.
  • Nominal composition of 22% chromium, 5.8% aluminum, and iron balance.
  • Very magnetic in all conditions.
  • Excellent oxidation resistance and high resistivity.
  • Good resistance to sulfur and carburizing settings.
  • Useful in high-temperature settings up to 2550°F.
  • Can be cut, formed, and welded.

Industries & Applications

Kanthal A-1 FeCrAl alloy wire cloth is principally used in high-temperature appliances and electronics given its low density, high resistivity, and superior high-temperature resistivity.

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Common Aliases

Kanthal A-1 FeCrAl alloy is also commonly referred to by the following tradenames:

  • Alloy 875 (Hoskins)
  • KA1 (Hyndman)
  • Aluchrom 0 (Thyssen Krupp VDM)
  • Alchrome 875 (CarTech)
  • Resistohm 145 (Rescal)
  • Stablohm 875 (Calfine Wire)
  • MWS-875 (MWS Wire)

Kanthal A-1 FeCrAl Alloy Wire Mesh – Typical Chemistry

Kanthal® A-1 FeCrAl Alloy Wire Mesh - Typical Chemistry
AlloyStandard(s)Limits
(%)
Carbon
(C)
Manganese
(Mn)
Silicon
(Si)
Chromium
(Cr)
Iron
(Fe)
Aluminum
(Al)
Kanthal® A-1 FeCrAl AlloyASTM B603Min00020.502.75
Max0.080.40.723.5Balance6

Typical Standards

Kanthal A-1 FeCrAl Alloy Wire Cloth – Harmonized Tariff Codes: Chapter 73

Woven Kanthal A-1 Wire Mesh:

  • 0-30 Mesh: 7314141000
  • 31-91 Mesh: 7314142000
  • 92+ Mesh: 7314149000

Welded Kanthal A-1 Wire Mesh:

  • 3.937″+ Center-to-Center AND .1181″+ Wire Diameter: 7314200000
  • <3.937″ Center-to-Center OR <.1181″ Wire Diameter: 7314390000

Manufacture/Supply-to-Order Capability

Phoenix Wire Cloth can manufacture-to-order any combination of mesh opening size + wire diameter(s) to supply you with the woven or welded Kanthal A-1 FeCrAl alloy wire mesh, bolting cloth, milling cloth, or filter cloth that you require. In addition, we can slit, cut, punch, form, heat treat, powder coat, etc. Kanthal A-1 wire mesh to deliver the exact material you require.

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*Kanthal® is a registered trademark of Sandvik Intellectual Property AB

*All alloy and company names are trademarks of their respective holders. Use of them does not imply affiliation or endorsement.