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FeCrAl Resistance Heating Coils - 0Cr27Al7Mo2

FeCrAl Resistance Heating Coils - 0Cr27Al7Mo2

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The S4R FeCrAl Resistance Heating Coils - 0Cr27Al7Mo2 are preformed electrical resistance heating elements developed for laboratory furnaces, heat-treatment systems and custom thermal-processing equipment.

Manufactured from 0Cr27Al7Mo2 FeCrAl resistance alloy, each element is formed into a controlled helical geometry to provide a compact and uniform resistive heating section. The coils can be integrated into compatible ceramic supports, furnace grooves and electrically insulated heating assemblies.

The standard S4R range is defined by selected combinations of resistance-wire diameter, coil outside diameter, nominal pitch and heating-section length. Straight lead sections are provided at the ends of the coil for connection to the furnace electrical assembly, with lead length and terminal geometry adaptable to the installation.

Because the electrical performance of a resistance element depends on its complete geometry, the nominal resistance, operating voltage and required heating power must be matched to the furnace electrical design. These parameters can be specified for replacement applications or new heating-system development.

Custom configurations are available with alternative wire diameters, coil diameters, pitches, heating-section lengths, straight lead lengths, resistance values and terminal arrangements.

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Key Features

✓ 0Cr27Al7Mo2 FeCrAl resistance alloy
✓ Preformed helical resistance-heating geometry
✓ Controlled wire diameter, coil diameter and pitch
✓ Straight lead sections for electrical integration
✓ Standard configurations for laboratory furnace applications
✓ Custom dimensions, resistance values and terminal arrangements available

Typical Applications

• Laboratory tube furnaces
• Muffle and box furnaces
• Ceramic and materials heat treatment
• Sintering and calcination systems
• Thermal-processing equipment
• Replacement and custom furnace heating assemblies
Technical Specifications
Product Type Preformed FeCrAl resistance heating coil
Resistance Alloy 0Cr27Al7Mo2 FeCrAl
Element Geometry Helical resistance coil with straight terminal leads
Heating Principle Electrical resistance heating
Standard Wire Diameters 0.8 / 1.0 / 1.2 / 1.5 mm
Standard Coil Outside Diameters 8 / 10 / 12 / 15 mm
Terminal Configuration Straight wire leads — length configurable
Nominal Resistance Application-dependent — specify when ordering
Operating Voltage / Power Application-dependent
Custom Configurations Available on request
Standard Configurations
Configuration Wire Ø Coil OD Nominal Pitch Heating Section Straight Leads
Ø0.8 / OD8 / L500 0.8 mm 8 mm Approx. 2.4 mm 500 mm Configurable
Ø1.0 / OD10 / L600 1.0 mm 10 mm Approx. 3.0 mm 600 mm Configurable
Ø1.2 / OD12 / L700 1.2 mm 12 mm Approx. 3.6 mm 700 mm Configurable
Ø1.5 / OD15 / L800 1.5 mm 15 mm Approx. 4.5 mm 800 mm Configurable
Standard configurations define the nominal mechanical geometry of the preformed coil. Straight lead length, nominal resistance, operating voltage and heating power are selected according to the intended furnace electrical configuration. Alternative wire diameters, coil diameters, pitches and heating-section lengths are available on request.
Element Selection
Wire Diameter Select according to the required electrical resistance, mechanical strength and furnace design
Coil Outside Diameter Match the available furnace groove, ceramic support or installation geometry
Coil Pitch Defines the spacing between adjacent turns and influences installed element geometry
Heating Section Length Match the required active heating region of the furnace
Straight Lead Length Configurable according to terminal position and furnace construction
Nominal Resistance Must be matched to the furnace electrical design
Voltage / Heating Power Application-dependent — specify or confirm when ordering
Technical Notes
• Verify mechanical dimensions and electrical requirements before installation.
• Nominal resistance, operating voltage and heating power depend on the complete furnace electrical design.
• Coil geometry and pitch should be maintained during installation to promote uniform electrical loading and heating.
• Suitable ceramic supports, furnace grooves or electrically insulating structures should be selected for the intended installation.
• Actual operating conditions depend on electrical loading, installation geometry, furnace atmosphere and the complete thermal system.
Supply
1 × FeCrAl Resistance Heating Coil
Ceramic supports, electrical connectors and furnace mounting hardware not included unless otherwise specified
Custom Configurations
Alternative resistance-wire diameters, coil outside diameters, pitches, heating-section lengths, straight lead lengths, nominal resistance values and terminal arrangements are available on request.

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