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Kanthal Wire 26AWG (0.40mm) - Wholesale / Bulk 50g-65g Roll (55-70 Meter) ) Resistance heating wire - Rebuild RBA (0.55 - 0.9Ohm) Coils

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Quick Overview

 

Rebuildable Ecigarette Coils used by some SubOhm tanks / Atomizers as at Kanger Subtank Mini / Kanger Subtank Plus V2. The alloy is characterized by high resistivity and very good oxidation resistance.

It is commonly used to rebuild the RBA Deck as at Kanger Subtank Mini RBA Deck and Rebuilding coils with Kanthal Wire can be assisted by using the RDA / RBA Deck Toolkit.

When Kanthal Wire is replaced on a RBA Deck you also need to replace the Organic Cotton that can be found here.

Wholesale/Bulk 50g (Approx 55 Meter) Kanthal A1 26AWG (Resistance heating wire and resistance wire) - Used on RBA Rebuildable Atomizer Ecigarette Coils

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  • Wholesale/Bulk 50g (Approx 55 Meter) Kanthal A1 26AWG (Resistance heating wire and resistance wire) - Used on RBA Rebuildable Atomizer Ecigarette Coils

Details

Kanthal A-1 is a ferritic iron-chromium-aluminium alloy (FeCrAl alloy) for use at temperatures up to 1400°C (2550°F). It is used in various equipment and also in Rebuildable Ecigarette Coils used by some SubOhm tanks / Atomizers as at Kanger Subtank Mini / Kanger Subtank Plus V2. The alloy is characterized by high resistivity and very good oxidation resistance.

It is commonly used to rebuild the RBA Deck as at Kanger Subtank Mini RBA Deck and Rebuilding coils with Kanthal Wire can be assisted by using the RDA / RBA Deck Toolkit.

When Kanthal Wire is replaced on a RBA Deck you also need to replace the Organic Cotton that can be found here.

Corrosion, Rusting, and Oxidation

Resistance wire does not easily rust or oxidize, even in extreme environments. Kanthal is often chosen for its excellent oxidation resistance. It can be exposed to sulfuric compounds and not corrode quickly, making it well suited for corrosion resistance in hot states. Nichrome has similar properties but oxidizes more quickly than Kanthal in sulfur-containing atmospheres.

"Annealed" vs. "Half-Hard"

The terms "annealed" and "half-hard" refer to the temper of the metal, or the condition produced by mechanical treatment. Annealed wire can be shaped and cut easily, making it relatively flexible, soft, and bendable when pressure is applied. An annealed surface is achieved by exposing the metal to high heat and allowing it to cool slowly. Half-hard treatment refers to rolled and drawn wire.

Temperature Ratings

The Maximum Operating Temperature refers to the highest temperature the wire can withstand without suffering damage. Kanthal wire can operate up to 1400°C (2550°F) safely, while Nichrome wire has a melting temperature around 1150°C (2100°F).

Resistance

The more heat the wire generates, the more resistance it creates. Resistance is affected by volume, diameter, and the length of wire. The longer the wire, the higher the overall resistance. Thinner wire has higher resistance than thicker wire.

Thermal Expansion

Resistance wire expands in diameter and length when exposed to high temperatures. All resistance wire has different reactions to heat and will expand different amounts. To determine the expansion of either Kanthal wire or Nichrome wire, check the specifications of the wire. The expansion rate and flexibility also depends on the diameter, or gauge, of the wire.

Soldering

You can solder to resistance wire, but you will need a special flux and high temperature solder. Common electrical solder will not stick to resistance wire. An alternative would be to use crimp connectors or screw terminals in place of solder.

Typical applications for Kanthal A-1 are electrical heating elements in high-temperature furnaces for heat treatment, ceramics, glass, steel, and electronics industries and for our use as vapors we use it to rebuild the coils as stated above.

Creep strength - 1% elongation in 1000 h

Temperature °C

800

1000

MPa

1.2

0.5

Physical properties

Young's modulus

Temperature °C

20

100

200

400

600

800

1000

GPa

220

210

205

190

170

150

130

Temperature factor of resistivity

Temperature°C

100

200

300

400

500

600

700

800

900

1000

1100

1200

1300

1400

Ct

1.00

1.00

1.00

1.00

1.01

1.02

1.02

1.03

1.03

1.04

1.04

1.04

1.04

1.05

Coefficient of thermal expansion

Temperature °C

Thermal Expansion x 10-6/K

20 - 250

11

20 - 500

12

20 - 750

14

20 - 1000

15

Thermal conductivity

Temperature °C

50

600

800

1000

1200

1400

W m-1 K-1

11

20

22

26

27

35

Melting point °C

1500

Max continuous operating temperature in air °C

1400

Magnetic properties

The material is magnetic up to approximately 600°C (Curie point).

Emissivity - fully oxidized material

0.70

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