Heating element selection

Molybdenum Disilicide (MoSi2) Heating Elements

MoSi2 heating elements qualified around element grade, shape, hot and cold zones, resistance, furnace temperature cycle, atmosphere, mounting and electrical.

Request a Technical Quote Review Configuration

Product evidence

Product views and construction details.

Multiple U-shaped molybdenum disilicide heating elements arranged in production — Element dimensions, resistance, grouping and installation orientation are qualified for the specific furnace.

Product configuration

Configuration overview

Application fit: High-temperature resistance-heating duties in compatible furnaces when the element, chamber, atmosphere and electrical system are designed together.
Temperature / cycle: Defined by the selected configuration and required working cycle. Working and maximum values must be confirmed separately.
Geometry: Element diameter or section, hot-zone length, cold-end length, terminal spacing, overall length, bend geometry and mounting orientation must be defined.
Atmosphere boundary: The operating atmosphere, material vapours, contamination risk, ventilation and start-stop pattern must be reviewed for the specific furnace duty.
Heating / connection: Element grade, resistance, number per group, connection method, control hardware and mechanical support are coordinated with the required furnace cycle.

Specify MoSi2 from the furnace duty outward

Molybdenum disilicide heating elements are selected within a complete high-temperature furnace design. Element grade, geometry, electrical grouping, atmosphere, chamber construction, thermal cycle and mounting method must be reviewed together. A generic maximum-temperature label is not enough to confirm a replacement or new installation.

Temperature cycleWorking temperature, ramp, hold, cooling sequence and cycle frequency.

Element gradeGrade or material requirement supported by the intended furnace atmosphere and duty.

GeometryHot zone, cold ends, terminal spacing, bend profile and installed orientation.

Electrical systemResistance, quantity, grouping, supply, transformer and control arrangement.

Distinguish element grade from furnace capability

The selected element is only one part of the temperature boundary. Chamber insulation, terminals, conductors, sensing, controls and the load all influence the usable furnace duty. State the required working cycle and current furnace design so the element specification is not treated as an isolated temperature claim.

Dimension the installed shape

Provide the element diameter or section, hot-zone length, cold-end length, terminal spacing and overall length. For U-shaped or multi-leg arrangements, show the centre distance, bend orientation and how the element is suspended or supported. Include the insulation opening and available terminal clearance.

Coordinate resistance and connections

Supply the required or existing resistance, quantity of elements, electrical grouping and connection method. Photographs should show the terminal ends, straps or connectors, support arrangement and the relationship to the furnace enclosure. State the power supply and transformer or controller information where applicable.

Describe atmosphere and process exposure

Tell Pyrocore what materials are heated, whether vapours or binders are released, which atmosphere is used and how the furnace starts, stops and cools. These conditions are required for application review and for planning the surrounding chamber and terminal environment.

Prepare a complete MoSi2 inquiry

Element grade or existing element designation
Dimensioned element drawing
Hot-zone, cold-end, spacing and overall dimensions
Resistance, quantity and electrical grouping
Working temperature and full cycle
Atmosphere and processed material
Installation, terminal and chamber photographs
Power supply, destination and documentation needs

When the chamber and element assembly are required together, review Metal-Shelled Furnace Chambers.