Kanthal A1 Resistance Wire (AWG 20, 22, 24, 26, 28, 30, 32, 33 & 34 - 3 Feet)

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Part Number: 803
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Resistance Wire Kanthal A1.  Used to make your coil(s).  Approximately 3 feet.

Available in 9 gauges for varying resistance levels and build types:

AWG 20: Low Resistance (0.07 ohms/inch) 
AWG 22: Low Resistance (0.11 ohms/inch)
AWG 24: Low Resistance (0.175 ohms/inch)
AWG 26: 
Low Resistance (0.28 ohms/inch)
AWG 28: Low - Standard Resistance (0.44 ohms/inch)
AWG 30: Low - Standard Resistance (0.70 ohms/ inch)
AWG 32: Low - Standard Resistance (1.1 ohms/ inch)
AWG 33: Low - Standard - High Resistance (1.39 ohms/inch)
AWG 34: Standard - High Resistance (1.76 ohms/inch)

Gauge (AWG)Average Wire
Diameter (in.)
Feet per PoundResistance
ohms/ft. @ 68°F
160.05081590.324
200.0324010.817
220.02536411.31
240.020110182.07
260.015916263.31
270.014220404.15
280.012626095.27
290.011332266.55
300.0141428.36
320.008647313.1
330.0071821716.6
340.00631043721.1

Why use Kanthal A1?

Kanthal A1 is commonly used for electric heating elements in large industrial furnaces and is often found in glass, ceramics, electronics, and steel industries. Its high resistivity and ability to withstand elements without oxidation makes it a popular choice when dealing with large-scale heating elements.


Specifications

  • 22% chromium (Cr), 5.8% aluminum (Al), Iron (Fe) balance
  • Density: 7.1 g/cubic cm
  • Tensile strength: 680 n/mm_
  • Melting Temperature: 1500¡C (2732¡F)
  • Maximum Operating Temperature: 1400¡C (2550¡F)
  • Density: 0.256 lbs/cubic in.
  • Specific heat capacity @ 68¡F: 0.11 Btu/lb¡F

Kanthal A1 vs. Kanthal D


Kanthal A1 has a higher maximum operating temperature of 1400¡C compared to 1300¡C for Kanthal D. It also has a slightly higher tensile strength.

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