There are two kinds of common electric heating wire: iron chromium aluminum alloy electric heating wire and nickel chromium alloy electric heating wire, these two kinds of electric heating wire as electric heating tube hair
1. Iron chromium aluminum alloy electric heating wire: by iron, chromium, aluminum three kinds of metal materials to create electric heating wire
Advantages: high temperature, good oxidation resistance, long service life, high surface load, high resistivity,
Advantages: high temperature, good oxidation resistance, long service life, high surface load, high resistivity,
Cheap prices, etc.
Disadvantages: its strength is low in high temperature environment, it will deform with the rise of temperature, and it is not easy to recover after deformation.
2. Ni-Cr alloy electric heating wire: it is made of nickel and chromium two kinds of metal
Advantages: Ni-Cr alloy wire is not easy to deform under high temperature use, its structure is not easy to change, good plasticity, easy to repair, its high emissivity, no
Magnetic, corrosion resistance, long service life, etc.
Disadvantages: due to the use of scarcer nickel metal materials, so the price relative iron chromium aluminum alloy electric wire expensive several times.
