Comparison Kanthal® FeCrAl alloys vs. NiCr® alloys

The table below shows an example of a 33% weight saving obtained by using a Kanthal® alloy instead of a Nikrothal® alloy. This lower element weight results in considerable cost savings, not only regarding element material but also support systems, because fewer suspension hooks are necessary.

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Nikrothal® alloy Kanthal® alloy Furnace temperature °C (°F) 1000 (1832) 1000 (1832) Element temperature °C (°F) 1068 (1954) 1106 (2022) Hot resistance (Rw) 3.61 3.61 Temperature factor (Ct) 1.05 1.06 Cold resistance (R20) 3.44 3.41 Wire diameter mm (inch) 5.5 (0.216) 5.5 (0.216) Surface load (W/cm2) 3.09 3.98 Wire length m (inch) 3 elements 224.9 (8.82) 174.6 (6.85) Wire weight kg elements 44.4 29.6

44.4-29.6/44.4 = 33% weight saving (based on the same wire diameter)

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Khassy said:

I wonder why they list Kanthal and FeCrAl separately (and yes, I know it's based on the table of elements, but didn't know what they meant when put together).

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Trademark infringement, Kanthal is registered and Sandvik who invented it they have been going after those who have been infringing on their trademark. If one wants quality wire stick with suppliers who use Sandvik. Me, for Kanthal I use exclusively Kidney Puncher, Atomizer Wick and Temco which are all Sandvik and yes there is a difference over the shit Chinese wire.

Trademark infringement, Kanthal is registered and Sandvik who invented it they have been going after those who have been infringing on their trademark. If one wants quality wire stick with suppliers who use Sandvik. Me, for Kanthal I use exclusively Kidney Puncher, Atomizer Wick and Temco which are all Sandvik and yes there is a difference over the shit Chinese wire.

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