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Dumbbell form · enlarged-end straight element
Straight rod/tube-form element
U-type · two-leg element
Double-spiral · same-end connections

Silicon Carbide Heating Elements and Heating Tubes

ADCERAX supplies SiC electrical resistance-heating elements for furnace replacement and OEM projects. Match the heated length to your furnace zone and the connection layout to your installation.

Catalogue No. AT-THG-BF001
Material Recrystallized Silicon Carbide (RSiC)
Max Operating Temperature Up to 1600°C continuous service
Multi-leg hot-zone lengths BU two-leg U and BF three-leg W: 200–800 mm
Connection layout BA: opposite-end connections · BB: same-end connections
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Engineering RFQ Review
Small-Batch Custom Support
Drawing-Based Production
Drawing & Process Review
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SiC Resistance-Heating Elements for Furnace Layouts

Electrical current through the designed SiC heating path generates heat in the hot zone. ADCERAX supplies spiral, straight, dumbbell, U- and W-type catalogue forms for replacement and OEM furnace projects.

Choose the form around furnace-wall access, heated length, cold-end position, terminals and circuit layout. The selected AT model and approved drawing define geometry and installation interfaces; the equipment electrical design defines the working point.

Dimensions of Silicon Carbide Heating Tube

Type 1-BA — Single-Spiral Elements

Opposite-end connections; heated zone between two cold ends

Silicon Carbide Heating Element Single Helical

Single Spiral Heating Type OD / mm Heating zone / mm Cold zone/ mm Overall length /mm Hot zone surface area / cm² voltage / V Power / W Range of resistance Ω （±20%） Purity
AT-THG-BA001 14 200 200 600 87 59 1650 2.11 99%
AT-THG-BA002 14 200 250 700 87 60 1680 2.14 99%
AT-THG-BA003 14 250 200 650 109 71 1990 2.53 99%
AT-THG-BA004 14 250 250 750 109 73 2040 2.61 99%
AT-THG-BA005 14 300 250 800 131 85 2380 3.04 99%
AT-THG-BA006 16 200 250 700 100 58 1970 1.71 99%
AT-THG-BA007 16 250 200 650 125 69 2350 2.03 99%
AT-THG-BA008 16 250 250 750 125 70 2380 2.06 99%
AT-THG-BA009 16 250 300 850 125 71 2410 2.09 99%
AT-THG-BA010 16 300 200 700 150 81 2750 2.39 99%
AT-THG-BA011 16 300 250 800 150 82 2790 2.41 99%
AT-THG-BA012 16 300 300 900 150 83 2820 2.44 99%
AT-THG-BA013 16 350 250 850 175 94 3200 2.76 99%
AT-THG-BA014 16 350 300 950 175 95 3230 2.79 99%
AT-THG-BA015 20 300 400 1100 188 84 3440 2.05 99%
AT-THG-BA016 20 350 400 1150 219 97 3980 2.36 99%
AT-THG-BA017 20 400 400 1200 251 109 4470 2.66 99%
AT-THG-BA018 20 450 400 1250 282 121 4960 2.95 99%
AT-THG-BA019 25 300 400 1100 235 84 4120 1.71 99%
AT-THG-BA020 25 300 500 1300 235 86 4210 1.76 99%
AT-THG-BA021 25 400 400 1200 314 110 5390 2.24 99%
AT-THG-BA022 25 500 400 1300 392 135 6620 2.75 99%
AT-THG-BA023 30 300 400 1100 282 79 4980 1.25 99%
AT-THG-BA024 30 300 500 1300 282 80 5040 1.27 99%
AT-THG-BA025 30 400 400 1200 376 103 6490 1.63 99%
AT-THG-BA026 30 400 500 1400 376 104 6550 1.65 99%
AT-THG-BA027 30 500 400 1300 471 127 8000 2.02 99%
AT-THG-BA028 30 600 400 1400 565 151 9510 2.4 99%
AT-THG-BA029 35 400 400 1200 439 101 7680 1.33 99%
AT-THG-BA030 35 400 500 1400 439 102 7750 1.34 99%
AT-THG-BA031 35 500 400 1300 549 124 9420 1.63 99%
AT-THG-BA032 35 500 500 1500 549 125 9500 1.64 99%
AT-THG-BA033 35 600 400 1400 659 148 11200 1.96 99%
AT-THG-BA034 35 700 400 1500 769 171 13000 2.25 99%
AT-THG-BA035 40 500 400 1300 628 116 10700 1.26 99%
AT-THG-BA036 40 500 500 1500 628 117 10800 1.27 99%
AT-THG-BA037 40 600 400 1400 753 138 12700 1.5 99%
AT-THG-BA038 40 700 400 1500 879 161 14800 1.75 99%
AT-THG-BA039 45 700 450 1600 989 149 16800 1.32 99%
AT-THG-BA040 45 800 400 1600 1130 168 19000 1.49 99%

Type 2-BB — Double-Spiral Elements

Same-end connections; paired hot- and cold-zone lengths

Silicon Carbide Heating Element Double Helical

Double Spiral Heating Type OD (mm) Heat zone (mm) Cold zone (mm) Overall length         (mm) Heating zone  (cm²) voltage (V) Power  (W) Range of resistance Ω (±20%) Purity
AT-THG-BB001 16 100 150 250 50 61 940 3.96 99%
AT-THG-BB002 16 100 200 300 50 69 1060 4.49 99%
AT-THG-BB003 16 150 150 300 75 84 1290 5.47 99%
AT-THG-BB004 16 150 250 400 75 99 1520 6.45 99%
AT-THG-BB005 16 200 200 400 100 113 1740 7.34 99%
AT-THG-BB006 16 250 200 450 125 135 2080 8.76 99%
AT-THG-BB007 20 100 150 250 62 58 1110 3.03 99%
AT-THG-BB008 20 100 250 350 62 72 1380 3.76 99%
AT-THG-BB009 20 150 200 350 94 87 1670 4.53 99%
AT-THG-BB010 20 200 200 400 125 109 2090 5.68 99%
AT-THG-BB011 20 250 150 400 157 124 2380 6.46 99%
AT-THG-BB012 20 250 250 500 157 138 2650 7.19 99%
AT-THG-BB013 20 300 250 550 188 160 3070 8.34 99%
AT-THG-BB014 25 150 200 350 117 87 2000 3.78 99%
AT-THG-BB015 25 200 200 400 157 110 2530 4.78 99%
AT-THG-BB016 25 200 300 500 157 121 2780 5.27 99%
AT-THG-BB017 25 300 300 600 235 167 3840 7.26 99%
AT-THG-BB018 25 300 400 700 235 179 4120 7.78 99%
AT-THG-BB019 25 350 300 650 274 191 4390 8.31 99%
AT-THG-BB020 25 400 300 700 314 214 4920 9.31 99%
AT-THG-BB021 30 200 200 400 188 190 2790 2.9 99%
AT-THG-BB022 30 250 200 450 235 111 3440 3.58 99%
AT-THG-BB023 30 300 300 600 282 132 4090 4.26 99%
AT-THG-BB024 30 350 350 700 329 153 4740 4.94 99%
AT-THG-BB025 30 400 400 800 376 174 5390 5.62 99%
AT-THG-BB026 30 450 350 800 424 194 6010 6.26 99%
AT-THG-BB027 30 500 300 800 471 214 6630 6.91 99%
AT-THG-BB028 35 200 200 400 219 89 3260 2.43 99%
AT-THG-BB029 35 250 200 450 274 109 3990 2.98 99%
AT-THG-BB030 35 300 300 600 329 130 4760 3.55 99%
AT-THG-BB031 35 400 300 700 439 171 6260 4.67 99%
AT-THG-BB032 35 450 350 800 494 191 6990 5.22 99%
AT-THG-BB033 35 500 300 800 549 211 7720 5.77 99%
AT-THG-BB034 40 200 200 400 251 86 3660 2.02 99%
AT-THG-BB035 40 250 200 450 314 106 4510 2.49 99%
AT-THG-BB036 40 300 300 600 376 127 5400 2.99 99%
AT-THG-BB037 40 350 300 650 439 147 6250 3.46 99%
AT-THG-BB038 40 400 300 700 502 167 7100 3.93 99%
AT-THG-BB039 40 400 400 800 502 167 7100 3.93 99%
AT-THG-BB040 40 450 300 750 565 186 7910 4.37 99%
AT-THG-BB041 40 450 350 800 565 187 7950 4.4 99%
AT-THG-BB042 40 500 300 800 628 206 8760 4.84 99%

Type 3-BD — Dumbbell Elements

Enlarged ends; compare body and end diameters for mounting

Silicon Carbide Heating Element Dumbbell

Sic Heating Element -Rod Small side OD / mm Heat zone length / mm Cold zone length / mm large side OD / mm Range of resistance / Ω Purity
AT-THG-BD001 8 180 60 14 2.6-5.2 99%
AT-THG-BD002 8 180 150 14 2.6-5.2 99%
AT-THG-BD003 8 150 150 14 2.2-4.5 99%
AT-THG-BD004 8 180 180 14 2.6-5.2 99%
AT-THG-BD005 8 200 150 14 2.9-5.8 99%
AT-THG-BD006 12 150 200 20 1.1-2.2 99%
AT-THG-BD007 12 200 200 20 1.4-2.9 99%
AT-THG-BD008 12 250 200 20 1.8-3.8 99%
AT-THG-BD009 14 180 150 22 1.3-2.3 99%
AT-THG-BD010 14 150 250 22 0.9-1.8 99%
AT-THG-BD011 14 200 250 22 1.2-2.3 99%
AT-THG-BD012 14 250 250 22 1.5-3.0 99%
AT-THG-BD013 14 300 250 22 1.8-3.5 99%
AT-THG-BD014 14 400 350 22 2.3-4.7 99%
AT-THG-BD015 18 300 250 28 1.1-2.2 99%
AT-THG-BD016 18 300 350 28 1.1-2.2 99%
AT-THG-BD017 18 400 250 28 1.4-2.9 99%
AT-THG-BD018 18 500 350 28 1.8-3.6 99%
AT-THG-BD019 18 600 350 28 2.1-4.3 99%
AT-THG-BD020 18 400 400 28 1.4-2.9 99%
AT-THG-BD021 25 400 400 38 0.8-1.7 99%
AT-THG-BD022 25 600 500 38 1.3-2.6 99%
AT-THG-BD023 25 800 450 38 1.7-3.4 99%
AT-THG-BD024 25 500 400 45 0.6-1.2 99%
AT-THG-BD025 30 1000 500 45 1.1-2.2 99%
AT-THG-BD026 30 1200 500 45 1.3-2.6 99%
AT-THG-BD027 40 1000 500 56 0.8-1.7 99%
AT-THG-BD028 40 1500 500 56 1.3-2.6 99%
AT-THG-BD029 40 2400 700 56 2.0-4.0 99%
AT-THG-BD030 40 2600 850 56 2.2-4.4 99%

Type 4-BC — Straight Rod/Tube-Form Elements

Straight layout; compare OD and hot/cold-zone lengths

Silicon Carbide Heating Element Rod

Sic Heating Element Type OD / mm Heating zone length / mm Cold zone length / mm Range of resistance / Ω Purity
AT-THG-BC001 14 200 250 1.2-1.3 99%
AT-THG-BC002 14 250 250 1.5-3.0 99%
AT-THG-BC003 14 300 250 1.8-3.5 99%
AT-THG-BC004 14 400 350 2.3-4.7 99%
AT-THG-BC005 14 500 350 2.9-5.9 99%
AT-THG-BC006 16 200 200 0.9-1.9 99%
AT-THG-BC007 16 250 200 1.2-2.4 99%
AT-THG-BC008 16 300 300 1.4-2.8 99%
AT-THG-BC009 18 250 250 0.9-1.8 99%
AT-THG-BC010 18 300 350 1.1-2.2 99%
AT-THG-BC011 18 400 250 1.4-2.9 99%
AT-THG-BC012 18 500 350 1.8-3.6 99%
AT-THG-BC013 20 200 200 0.6-1.2 99%
AT-THG-BC014 20 250 250 0.7-1.4 99%
AT-THG-BC015 20 300 300 0.8-1.6 99%
AT-THG-BC016 20 400 350 1.1-2.2 99%
AT-THG-BC017 20 500 400 1.4-2.8 99%
AT-THG-BC018 20 600 350 1.5-3.0 99%
AT-THG-BC019 25 300 400 0.6-1.3 99%
AT-THG-BC020 25 400 400 0.8-1.7 99%
AT-THG-BC021 25 500 400 1.1-2.2 99%
AT-THG-BC022 25 600 500 1.3-2.6 99%
AT-THG-BC023 25 800 450 1.7-3.4 99%
AT-THG-BC024 25 900 400 1.9-3.8 99%
AT-THG-BC025 25 1000 500 2.2-4.5 99%
AT-THG-BC026 30 400 400 0.5-0.9 99%
AT-THG-BC027 30 500 400 0.6-1.2 99%
AT-THG-BC028 30 1000 500 1.1-2.2 99%
AT-THG-BC029 30 1200 500 1.3-2.6 99%
AT-THG-BC030 30 1300 500 1.4-2.9 99%
AT-THG-BC031 30 1500 250 1.6-3.4 99%
AT-THG-BC032 30 1500 300 1.6-3.4 99%
AT-THG-BC033 30 1500 600 1.6-3.4 99%
AT-THG-BC034 30 2000 650 2.2-4.4 99%
AT-THG-BC035 35 400 400 0.4-0.8 99%
AT-THG-BC036 35 500 400 0.5-1.0 99%
AT-THG-BC037 35 1000 500 1.0-2.0 99%
AT-THG-BC038 35 1200 500 1.1-2.2 99%
AT-THG-BC039 35 1500 500 1.4-2.8 99%
AT-THG-BC040 40 400 400 0.3-0.7 99%
AT-THG-BC041 40 1000 500 0.8-1.7 99%
AT-THG-BC042 40 1500 500 1.3-2.6 99%
AT-THG-BC043 40 2000 650 1.7-3.4 99%
AT-THG-BC044 40 2400 700 2.0-4.0 99%
AT-THG-BC045 40 2600 850 2.2-4.4 99%

Type 5-BF — W-Type Three-Leg Elements

Three legs; compare centre distance and bridge dimensions

 

Silicon Carbide Heating Element Type W

 

Three Phase Type Heat zone OD / mm Heating zone length / mm Cold zone Length / mm center distance / mm Bridge OD / mm Overall length / mm Purity
AT-THG-BF001 14 200 250 40 14 54 99%
AT-THG-BF002 14 250 300 50 14 64 99%
AT-THG-BF003 14 300 350 60 14 74 99%
AT-THG-BF004 16 200 250 40 16 56 99%
AT-THG-BF005 16 250 300 50 16 66 99%
AT-THG-BF006 16 300 350 60 16 76 99%
AT-THG-BF007 18 300 350 60 18 78 99%
AT-THG-BF008 18 400 400 70 18 88 99%
AT-THG-BF009 18 500 450 75 18 93 99%
AT-THG-BF010 20 250 300 50 20 70 99%
AT-THG-BF011 20 300 350 60 20 80 99%
AT-THG-BF012 20 400 400 70 20 90 99%
AT-THG-BF013 25 400 400 70 25 95 99%
AT-THG-BF014 25 500 450 75 25 100 99%
AT-THG-BF015 25 600 500 80 25 105 99%
AT-THG-BF016 30 600 400 70 30 100 99%
AT-THG-BF017 30 700 450 75 30 105 99%
AT-THG-BF018 30 800 500 80 30 110 99%

Type 6-BU — U-Type Two-Leg Elements

Two legs; compare centre distance and bridge dimensions

Silicon Carbide Heating Element Type U

U-type Heating Elements Heating zone OD / mm Heating zone Length  / mm Cold zone Length  / mm center distance  / mm Bridge OD  / mm Overall length  / mm Range of resistance / Ω Purity
AT-THG-BU001 14 200 250 40 14 54 2.4-4.6 99%
AT-THG-BU002 14 250 300 50 14 64 3.0-6.0 99%
AT-THG-BU003 14 300 350 60 14 74 3.6-7.0 99%
AT-THG-BU004 16 200 250 40 16 56 1.4-2.8 99%
AT-THG-BU005 16 250 300 50 16 66 1.8-3.6 99%
AT-THG-BU006 16 300 350 60 16 76 2.0-5.0 99%
AT-THG-BU007 18 300 350 60 18 78 2.0-5.0 99%
AT-THG-BU008 18 400 400 70 18 88 2.8-5.8 99%
AT-THG-BU009 18 500 450 75 18 93 3.6-7.2 99%
AT-THG-BU010 20 250 300 50 20 70 1.8-3.6 99%
AT-THG-BU011 20 300 350 60 20 80 2.0-5.0 99%
AT-THG-BU012 20 400 400 70 20 90 2.8-5.8 99%
AT-THG-BU013 25 400 400 70 25 95 1.6-3.4 99%
AT-THG-BU014 25 500 450 75 25 100 2.2-4.4 99%
AT-THG-BU015 25 600 500 80 25 105 2.6-5.2 99%
AT-THG-BU016 30 600 400 70 30 100 1.4-2.8 99%
AT-THG-BU017 30 700 450 75 30 105 1.6-3.2 99%
AT-THG-BU018 30 800 500 80 30 110 1.8-3.6 99%

 

Download the Product Catalogue

How SiC Heating Element Bodies Differ

Silicon carbide heating element bodies are not all made the same way. Suppliers describe bodies formed and densified by different routes, and the route can influence porosity, surface condition and how the body behaves in a particular furnace atmosphere. When comparing suppliers or replacing an element, treat the body description as one part of the specification alongside the drawing, the resistance measurement condition and the furnace duty — not as the only deciding factor.

Ask what route and material specification the supplied element uses, and confirm it against the drawing revision and the acceptance criteria agreed for your furnace. Catalogue references support comparison; the selected drawing defines what is actually supplied.

Silicon Carbide Heating Element Failure Modes to Check

When deciding whether to keep or replace a silicon carbide heating element, check the patterns below rather than a single number.

Pattern to check What it can indicate
Resistance higher than the recorded value under the same measurement condition Normal ageing of the element over service time
Localised hot or bright zone on the body Non-uniform loading or a developing weak section
Surface deposits, discolouration or material loss Atmosphere or contaminant attack on the body
Worn, loose or heated terminals and connections Connection ageing or poor contact at the element ends
Cracks at the body, ends or bridge after cycling Mechanical or thermal-cycling stress

*Record resistance, appearance and connection condition against the equipment service plan, and review a suspected element with the equipment engineer before replacing it within a group. Exact replacement timing depends on the furnace duty and acceptance criteria for that installation.

Packaging Method of Silicon Carbide Heating Tube

Protective inner cartons, outer boxes and pallet wrapping illustrate packaging options. The order-specific plan accounts for element shape, terminals, bridge features, quantity and transport route.

At receipt, inspect packaging and accessible bodies, ends and connections, then record any concern against the agreed inspection and acceptance requirements.

ADCERAX® Packaging of Silicon Carbide Heating Tube

 Silicon Carbide Heating Tube Applications

Silicon Carbide Heating Tube delivers stable thermal output, fast ramping capability and long operating life under oxidizing, corrosive and cyclic thermal conditions, enabling reliable heat delivery for industrial processes that demand both high efficiency and operational continuity.

  • Metal heat treatment installations call for elements that accommodate the zone layout, atmosphere chemistry, cycling profile and electrical control range your furnace already uses. When replacing elements in a batch or continuous heat-treat line, compare the selected form and heated length with the zone geometry and the way power is switched or ramped. The element resistance and circuit arrangement together define the working point — matching both to the furnace controller and transformer keeps the installation repeatable across element changes.
  • Ceramic and refractory sintering applications depend on the firing curve, hold duration, load arrangement and the species evolved during the sinter cycle. Choose the hot-zone length around the load footprint and the way batches sit in the furnace. The element shape — straight, U, or W — affects how you route power through the kiln walls and how replacements fit when one element in a group ages faster. Atmosphere and contaminant behavior at soak temperature also shape which element body route works for the duty.
  • Glass and fibre-glass conditioning environments expose the element to vapour chemistry, alkali and boron species, and surface deposits that build up over time. Select the heating-zone geometry and connection layout for the maintenance access path you have — if you cannot pull a long straight element through the furnace wall, a U- or W-form may fit the installation better. The working temperature, cycle and the way the element sits relative to the glass bath or fibre strand all feed into how long a set of elements runs before replacement.

SiC Heating Element Installation and Service

Qualified personnel carry out each step under the equipment's approved procedure. Use the checks below when installing a new or replacement element and when keeping its service record.

  • Before Installation

    1. Power and safety: Isolate power and follow the equipment safety procedure.
    2. Drawing and identity: Confirm the drawing revision and element identity match the replacement or OEM specification.
    3. Dimensions and terminals: Check OD, hot zone, cold zone, overall length and terminals against the selected drawing.
    4. Receipt condition: Inspect the body, ends and connections for transport damage before handling.

  • Mechanical Installation

    1. Form and wall openings: Align the selected form (straight, dumbbell, spiral, U or W) with the furnace wall openings and terminal exits.
    2. Supports: Seat the element on the supports defined in the approved mounting arrangement.
    3. Connection hardware: Fit the terminals and connection hardware specified for the element.
    4. Thermal movement: Keep the thermal-movement allowance set by the equipment design.

  • Before Energizing

    1. Circuit arrangement: Check the circuit arrangement against the equipment electrical design.
    2. Resistance baseline: Measure resistance under the stated measurement conditions and compare it with the supplied reference.
    3. Controller and transformer: Confirm the controller and transformer range covers the element working point.
    4. Commissioning limits: Follow the approved commissioning limits for the first heat-up.

  • Service and Replacement

    1. Service record: Record resistance, power delivery, temperature behavior and process changes against the equipment service plan.
    2. Resistance trend: Resistance changes with service history, so compare readings taken under the same measurement condition.
    3. Element groups: Before replacing one element in a group, review the circuit arrangement and measured condition of the remaining elements with the equipment engineer.
    4. Replacement request: Send the old-element reference, markings and latest resistance reading with your replacement request.

FAQs Silicon Carbide Heating Tube Performance

  1. Q1: How does the Silicon Carbide Heating Tube maintain stable output under long high-temperature cycles?The Silicon Carbide Heating Tube uses a recrystallized SiC structure that preserves stable electrical resistance behavior even during extended operation at 1500–1600 °C. This minimizes drift that would otherwise destabilize furnace temperature profiles. Its microstructure forms a self-protective SiO₂ layer, slowing oxidation and ensuring consistent radiant output. As a result, users experience fewer temperature deviations and improved product uniformity.
  2. Q2: Why does the Silicon Carbide Heating Tube tolerate rapid heating and cooling better than metallic heaters?The tube’s low thermal expansion coefficient and open crystalline network provide high thermal-shock tolerance, allowing it to withstand rapid 300–400 °C/min transitions. Metallic elements typically deform or fracture under these conditions due to thermal fatigue. The SiC tube’s structural rigidity helps maintain integrity during aggressive cycling. This leads to longer furnace uptime and more predictable furnace recovery behavior.
  3. Q3: How does the Silicon Carbide Heating Tube help reduce unplanned furnace downtime?The SiC tube resists oxidation, corrosion and resistance drift, preventing failures that often trigger emergency shutdowns. Its stable resistivity curve ensures predictable lifecycle aging, enabling planned replacements instead of reactive maintenance. Published industrial data shows unplanned heat-treat downtime can exceed USD 260,000 per hour, so the tube’s durability has direct economic value. Plants report significantly fewer urgent stoppages after upgrading to Silicon Carbide Heating Tube systems.
  4. Q4: How does the Silicon Carbide Heating Tube manage temperature uniformity across multi-zone furnaces?Its high thermal conductivity delivers even heat distribution along the radiant length, avoiding localized hotspots common with metal elements. The tube maintains consistent watt loading, helping multi-zone furnaces keep deviation within a narrow ±5 °C band. This contributes to better metallurgical and sintering consistency. Manufacturers relying on tight thermal control see reduced scrap and rework.
  5. Q5: What makes the Silicon Carbide Heating Tube suitable for corrosive or vapor-rich furnace atmospheres?The tube withstands acidic, alkaline and oxidizing gases thanks to its dense SiC matrix and slow SiO₂ passivation rate. Metallic heaters degrade rapidly in such atmospheres, causing resistance escalation and breakage. The SiC tube maintains structural stability and radiant output far longer in chemical-rich environments. This reliability is particularly valuable in glass, chemical and powder-coating furnaces.
  6. Q6: Which temperature matters when choosing a heating element?
    The furnace setpoint describes the process target. The element hot zone and terminals have their own temperatures, influenced by heat transfer, atmosphere and electrical loading. Relate each temperature to its location when reviewing an element specification.
  7. Q7: How does material resistivity relate to element resistance?
    Material resistivity, commonly expressed in Ω·cm, characterizes the material under stated conditions. Finished-element resistance, in Ω, also depends on the current path and geometry. Use the selected element’s measured resistance and temperature condition when matching the furnace circuit.

Request a SiC Heating Element Quote

Send for the first review Resolve during engineering review
Replacement or OEM task; furnace make/model and old-part reference if known Selected AT drawing, installation envelope, terminals, supports and mounting direction
AT reference or old-element photos, markings, sketch and available dimensions Hot/cold zones; new/used resistance measurement temperature and method
Quantity, sample/repeat need, destination and requested schedule Element/circuit voltage, current and power; connection and controller/transformer range
Known operating temperature, atmosphere, cycle and reason for replacement Material specification, inspection, powered-test and furnace-level acceptance criteria
Quick Quote Now
Silicon carbide heating element customization diagram showing overall length, hot and cold zones, diameters, and U- and W-type leg spacing.

Custom Silicon Carbide Heating Elements for Your Furnace

Need a replacement with no part number, or an element for a new OEM furnace? ADCERAX builds the SiC heating element around your drawing, electrical working point and furnace duty, then keeps the approved details as your repeat-supply specification.

Geometry You Can Specify

  • Form: Straight, dumbbell, single spiral, double spiral, U or W.
  • Diameters: Body OD and end diameters.
  • Heated length: Hot-zone and cold-zone lengths matched to your furnace zone.
  • Multi-leg layout: Leg spacing and bridge dimensions for U and W forms.
  • Terminals and envelope: Terminals, overall envelope and drawing revision.

Electrical Values to Agree

  • Resistance: Value or range, with measurement temperature, method and tolerance.
  • Power: Element and circuit voltage, current and power.
  • Connection and control: Connection layout and controller or transformer range.
  • Operating point: Resistance changes with temperature and service history, so catalogue references are read together with the measurement condition and your proposed operating point.

Furnace Duty to Review

  • Temperature: Furnace setpoint and element temperature.
  • Atmosphere: Process atmosphere and any contaminants.
  • Cycle: Heating cycle and hold periods.
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