Kanthal A-1 is a ferritic iron-chromium-aluminium alloy (FeCrAl alloy) rated for use at temperatures up to 1400°C (2550°F). The alloy has high resistivity and great oxidation resistance. It is typically used in furnace applications, such as electrical heating elements in high-temperature furnaces for heat treatment, glass, steel, ceramics, and electronics industries.
Features
- Computerized spooling by weight.
- Clean production environment houses spooling process.
- Proudly Made in the U.S.A. ZERO wire imports policy.
- Perfectly tensioned. Zero elongation, scratches, or other flaws.
- ZERO contaminants. Hands-off feeding eliminates skin salts & oils.
Which resistance wire is right for you?
| Specification | Nichrome 60 | Nichrome 80 | Kanthal A-1 |
| Maximum Operating Temperature | 1150°C (2100°F) | 1180°C (2150°F) | 1400°C (2550°F) |
| Common Applications | Tubular heating elements as suspended coils | Furnace applications | |
| Advantages |
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Resistance
The more wire you have, the greater the resistance. The following factors affect resistance.
Diameter: The thinner the wire (higher gauge number), the higher the resistance per foot. The thicker the wire (lower gauge number), the lower the resistance.
Length: The longer the wire, the higher the overall resistance. The shorter the wire, the lower the overall resistance.
Temperature: The more heat the wire generates, the more resistance it will create.
Current: Determine the current (amperage) you need to heat your wire.
| Gauge (AWG) | Wire Diameter | Resistance (Ohms / ft at 68°F) | Feet Per Lb. | |
| Inch | mm | |||
| 16 | 0.0508 | 1.29032 | 0.324 | 159 |
| 18 | 0.0403 | 1.02362 | 0.515 | 253 |
| 20 | 0.032 | 0.8128 | 0.817 | 401 |
| 22 | 0.0253 | 0.64262 | 1.31 | 641 |
| 24 | 0.0201 | 0.51054 | 2.07 | 1018 |
| 26 | 0.0159 | 0.40386 | 3.31 | 1626 |
| 27 | 0.0142 | 0.36068 | 4.15 | 2040 |
| 28 | 0.0126 | 0.32004 | 5.27 | 2609 |
| 29 | 0.0113 | 0.28702 | 6.55 | 3226 |
| 30 | 0.01 | 0.254 | 8.36 | 4142 |
| 31 | 0.0089 | 0.22606 | 10.6 | 5181 |
| 32 | 0.008 | 0.2032 | 13.1 | 6473 |
| 33 | 0.0071 | 0.18034 | 16.6 | 8217 |
| 34 | 0.0063 | 0.16002 | 21.1 | 10437 |
| 36 | 0.005 | 0.127 | 33.4 | 16447 |
- Country of Manufacture:
- United States
- Average Wire Diameter in:
- 0.005
- Average Wire Diameter mm:
- 0.127
- Feet per Pound:
- 16447
- Heat Treatment:
- Annealed (soft)
- Maximum Operating Temperature:
- 1400°C (2550°F)
- Density:
- 0.256 lbs/cubic inch
- Specific Heat Capacity:
- 0.11 Btu/lb °F
- Alloy:
- Kanthal A1
- Wire Gauge AWG:
- 36
- Amount of Wire:
- 250 ft
- Wire Shape:
- Round
- Melting Temperature:
- 1500°C (2732°F)
- Resistance:
- 33.4
- Specific Gravity:
- NA
- Thermal Expansion:
- NA
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