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Product Category 03 · Structural Engineering

Ceramic structural parts,
12 sub-types.

Si₃N₄, SiC, Al₂O₃, AlN, and ZrO₂ precision structural components for shafts, turbines, wear parts, seals, and custom machined geometries. Drop-in and custom-to-drawing for semiconductor, aerospace, foundry, chemical, and precision machinery applications.

12
Sub-Types
5
Materials
±0.01mm
Tolerance
14d
Prototype
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Certifications & Standards
ISO 9001IATF 16949CERoHS · REACHUL Recognized
01 · The Structural Parts Range

Twelve ceramic structural sub-types.

From precision shaft rods and turbine components to wear-resistant liners and corrosion-resistant valves — all available from stock or custom-to-drawing within 14 days.

★ Most Popular
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Si₃N₄ Shaft Rods
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High-precision silicon nitride shaft rods for high-speed spindles, pump shafts, and turbo-machinery shafts. 60% lighter than steel, zero magnetic signature, lubricant-free operation.

High-speedNon-magneticLubricant-free
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Si₃N₄ Ceramic Lift Tubes
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Silicon nitride lift tubes for low-pressure aluminium die casting. Non-wetting to molten Al, low thermal expansion — no cracking in cyclic service, 3–5× life vs cast-iron alternatives.

Molten Al-resistant1600°C ratedLong life
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Si₃N₄ Turbine Components
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Si₃N₄ turbocharger rotors, turbine wheels, and high-temperature blade assemblies. 30% lighter than Inconel, faster spool-up, no lubrication thermal limit.

30% lighterNo lube limitHigh-temp
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Si₃N₄ High-Speed Cutting Blades
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Ultra-thin silicon nitride high-speed blades for lithium battery film, cigarette tin foil, and other precision thin-material cutting. Fast cutting speed, clean edges without material damage, high hardness, wear resistance, and low friction coefficient.

Micron-level film3.9mm thick16.9×80mmUltra-thin available
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Tubes, Rods & Plungers
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Al₂O₃ and SiC tubes, rods, and plungers for pump cylinders, valve internals, dosing pumps, and lab equipment. Standard lengths 100–600mm, custom on request.

Ø custom100–600mmPump-grade
Spherical & Rotators
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Precision ceramic balls and rotating bodies in Si₃N₄, ZrO₂, or Al₂O₃ for bearing balls, check-valve balls, and flow-control rotors. G3–G60 grade available.

G3–G60Si₃N₄ · ZrO₂Precision-ground
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Custom Machined Parts
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Complex asymmetric precision components machined to drawing. Intricate profiles, internal channels, threaded features, and tight tolerances (±0.01mm) across all ceramic materials.

±0.01mmAny geometryAll materials
Material: All ceramicsSubmit a drawing →
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Fluid Control & Seals
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Ceramic valve seats, seal faces, and flow-control components for pumps, valves, and metering equipment in corrosive, abrasive, and high-temperature media.

Corrosion-resistantHigh-tempSiC / Al₂O₃
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Plates, Discs & Substrates
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Flat ceramic plates, discs, and substrates for heating elements, semiconductor susceptors, wafer chucks, and precision fixtures. Surface flatness to 1µm.

Flatness 1µmCustom sizeAlN · Al₂O₃
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Wear-Resistant & Tribological Parts
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Ceramic wear parts for high-load sliding, abrasive, and erosive environments. SiC and Al₂O₃ components for mining, oil & gas, and industrial machinery.

Abrasion-resistantSiC · Al₂O₃Mining / O&G
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Corrosion-Resistant Parts
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Dense Si₃N₄, SiC, and ZrO₂ components for aggressive chemical environments — concentrated acids, alkalis, and oxidising media at elevated temperature.

Acid-resistantChemical-gradeSi₃N₄ · ZrO₂
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High/Ultra-High Temp Parts
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Refractory ceramic structural components for continuous service above 1200°C. SiC and Si₃N₄ parts for furnace internals, combustion chambers, and aerospace hot-section components.

Up to 1600°CFurnace-gradeSiC · Si₃N₄
01b · Cutting Blade Specifications

Si₃N₄ high-speed cutting blades — reference dimensions.

Ultra-thin silicon nitride ceramic blades for lithium battery film, cigarette tin foil, and other precision thin-material cutting. Dimensions below are reference values — actual parameters are adjusted per application.

Applications

High-speed cutting of lithium battery films, cigarette tin foil, and other thin materials. Suitable for micron-level film cutting and precision thin-film applications.

Performance

Fast cutting speed, clean cutting without damaging the material, high-temperature resistance, long service life, high hardness, wear resistance, good chemical stability, and low friction coefficient.

ParameterTypical ValueNotes
MaterialSilicon Nitride (Si₃N₄)Ultra-thin ceramic construction
Thickness3.9 mmReference dimension
Width × Length16.9 × 80 mmAlso available: 17 × 92.5 mm
Custom sizesPer drawingUltra-thin variants available on request

Note: Data is for reference only and cannot be used as the basis for product ordering and inspection. Actual parameters will be adjusted based on your specific application.

02 · Why Ceramitell for Structural Parts

What precision engineers come to us for.

Direct manufacturer. All five major structural ceramic materials. DFM support for custom geometries.

Five materials, one supplier

Si₃N₄, SiC, Al₂O₃, AlN, and ZrO₂ structural components from one factory. Match each sub-type to the right material chemistry without managing multiple suppliers.

Tolerances to ±0.01mm

Ground ceramic dimensions to ±0.01mm on critical features. Full CMM inspection reports for OEM qualification and aerospace programs.

Prototype in 14 days

DFM review within 48 hours of drawing receipt. Fired, inspected, and delivered prototypes in 7–14 days. No MOQ on first-article quantities.

Custom geometries welcome

Internal channels, threaded inserts, asymmetric profiles, and tight-tolerance bores — we quote what standard suppliers decline. Send any STEP, DWG, or PDF.

Proven in demanding applications

Si₃N₄ shaft rods in high-speed CNC spindles, lift tubes in aluminium die-casting running 1600°C, turbine components in turbocharger test programmes.

ISO 9001 quality system

Full material certs, dimensional reports, and PPAP documentation available for production qualifications. Lot traceability standard.

04 · FAQ

The questions we get most.

Which ceramic material should I use for my shaft application?
Si₃N₄ for high-speed, high-load, and non-magnetic requirements. SiC for highest hardness and corrosion resistance. Al₂O₃ for cost-sensitive moderate-load applications. Send your operating conditions — we'll recommend.
What is the tightest tolerance you can hold?
Ground ceramic: ±0.01mm on critical dimensions. As-fired: ±0.5% of nominal. CMM inspection reports available for all production parts.
How quickly can I get a prototype?
DFM review within 48 hours of drawing receipt. Prototype lead time: 7–14 days from drawing approval. No MOQ on prototypes.
Can you machine complex internal features?
Yes — internal channels, cross-holes, threaded bores, and undercuts are all achievable. Green machining before sintering enables complex profiles that are impossible to grind post-fire.
What is the MOQ for production parts?
Simple geometries: 500 units. Complex or tight-tolerance parts: 200 units. Custom special profiles: quote-dependent. Volume pricing from 2,000 units.
Do you provide NDA and confidentiality protection?
Yes — mutual NDA standard before any drawing exchange. We have maintained full customer confidentiality across all OEM programs since 2014.
★ Engineering Case · Italian Pellet Stove OEM

180,000 units/year, −38% warranty returns, 7-year partnership.

One of our longest-running OEM partners — switched from a European competitor's alumina igniters to our BLK series Si₃N₄ in 2018. Warranty returns dropped 38% in the first 12 months; cold-start failures (sub-zero installs) dropped 32%. Now in year 7 of supply.

Switch Outcome · Year 1
Al₂O₃ → Si₃N₄ outcome
  • −38% Warranty returns vs prior
  • −32% Cold-start failures
  • +22% Avg igniter service life
  • 180K/yr Current production volume