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KANTILAL
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Director Technical Mr Jain / Mr V Jain
Generally the Kanthal alloys are used. <<>> Depending on the temperature range that is needed, the heating element could be composed of; iron-chromium-aluminium, nickel-chromium, nickel-iron or copper-nickel. The maximum temperature range for each alloy is 1400 C, 1250 C, 600 C and 600 C respectively.
An alloy is a mixture of metals and a ferrous alloy is an alloy who's main constituent is iron. Iron in itself is extremely susceptible to corrosion, however, with the addition of other metals to create a ferrous alloy, such as the addition of slag (Such as in wrought iron), Nickel (Alnico, Invar, etc), Maganese (Bismanthol), Chromium (Kanthal), Titanium (Ferrotitanium) and so on give the alloy it's corrosion resistance. So, in short, almost, if not all ferrous alloys contain a constituent that is corrosion resistant, hence why ferrous alloys are more resistant to corrosion that straight iron.
Copper is a pure metal while kanthal is an alloy. An alloy is a material consists of mixture of two or more elements that are metals and nonmetals. Therefore, kanthal alloy is a metal with addition of some alloy elements such as iron, chromium and aluminum. The addition of alloy elements to pure metals caused additional scattering of the conducting electrons and thus increase the electrical resistivity of pure metals. As the temperature increases, the resistivity of copper increases while the resistivity of kanthal alloy decreases.
Nichrome but nichrome is made out of nickel and chromium
The most common alloy is the Swedish Kanthal (Fe, Cr,Al).
Generally the Kanthal alloys are used. <<>> Depending on the temperature range that is needed, the heating element could be composed of; iron-chromium-aluminium, nickel-chromium, nickel-iron or copper-nickel. The maximum temperature range for each alloy is 1400 C, 1250 C, 600 C and 600 C respectively.
An electric heater is an electric appliance that convert electrical energy in to heat. Working principle of an electric heater as per "Joule heating theory" When electric current passes through a resistor that electric energy convert to heat (best and simple example is a spring type heating element). When Voltage applied both end of a wire/spring type Resistance wire, voltage flow and this voltage help that wire to heat up and convert in to heat. A Resistance wire quality, length & thickness depend how many time heat spread and resist with that heat. K.watt/ Watt = Applied voltage x Ampere. Many quality and types of electric heating elements are there depend upon purpose of use. Few best heating elements known as Kanthal wire, Nicrome wire, Ureka wire, Super Kanthal, Silicon Carbide heating elements etc.
An alloy is a mixture of metals and a ferrous alloy is an alloy who's main constituent is iron. Iron in itself is extremely susceptible to corrosion, however, with the addition of other metals to create a ferrous alloy, such as the addition of slag (Such as in wrought iron), Nickel (Alnico, Invar, etc), Maganese (Bismanthol), Chromium (Kanthal), Titanium (Ferrotitanium) and so on give the alloy it's corrosion resistance. So, in short, almost, if not all ferrous alloys contain a constituent that is corrosion resistant, hence why ferrous alloys are more resistant to corrosion that straight iron.