Evanohm® Coil

With a choice of 12 variations offering size and thickness options, our Evanohm® Coils meet a range of specialized needs. These coils offer a combination of high electrical resistivity and good corrosion resistance. They’re used in applications such as electrical heating elements, thermal cut-outs and surge protection devices. The choice of coil dimensions and alloy thicknesses available allow customization for resistance and power handling requirements.

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Tolerance

Properties

Reference & Citations

Health hazard/Hazardous to the ozone layer

Serious health hazard

each

Tolerances

Coil

Thickness	<0.01mm	±25%
Thickness	0.01mm - 0.05mm	±15%
Thickness	>0.05mm	±10%

Material Properties for Alloys

Mechanical Properties

Element	Value
Elongation at break( % )	33
Modulus of elasticity( GPa )	221
Izod impact strength( J m⁻¹ )	42-100
Tensile strength( MPa )	1210

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	134
Temperature coefficient( K⁻¹ )	0.00001

Thermal Properties

Element	Value
Maximum use temperature in air( C )	300
Melting point( C )	1340-1390
Specific heat( J K⁻¹ kg⁻¹ )	435@23°C
Thermal conductivity( W m⁻¹ K⁻¹ )	14.6@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	11.7@20-100°C