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Grade 5 Titanium Belleville Washers

Grade 5 Titanium Belleville Washers

Grade 5 Titanium Belleville Washers with conical disc-spring geometry for compact axial spring force, preload compensation and drawing-defined assemblies. Dimensions, condition, working requirement and inspection follow the approved order.

Material
Grade 5 / Ti-6Al-4V / UNS R56400
Form
Conical disc spring washer
Dimensions
Metric, inch or approved drawing
Documents
MTC and dimensional inspection
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Product Detail

Product Introduction

Grade 5 Titanium Belleville Washers are conical disc springs that deflect under axial load. Their useful force-deflection curve depends on outside and inside diameter, thickness, free cone height, material condition, manufacturing route and stack arrangement. Titanium grade alone does not establish spring rate or fatigue life.

Product Specifications

ProductGrade 5 Titanium Belleville WashersMaterialTitanium Grade 5 / Ti-6Al-4V / UNS R56400
Product FormFlat, split-lock or drawing-specific washerTypical Inquiry RangeFor M2 to M36 fasteners in typical inquiries; custom ID, OD and thickness by review
Dimensional ReferencesISO 7089/7090, DIN 125, ASME B18.21 or approved drawingThreads / DimensionsMetric coarse or fine, UNC, UNF or drawing-specific as applicable
SurfaceMachined and cleaned; lubricant, anti-galling treatment or coating by agreementDocumentsMTC, heat/lot traceability and dimensional inspection report
InspectionDimensions, thread gauging, surface and agreed functional or mechanical testsSupply BasisApproved purchase order, invoked standard and drawing

Typical inquiry ranges are not a stock guarantee. Final manufacturability, tolerances and test requirements are confirmed against the complete RFQ.

Selection and Configuration

  • Load and deflection: State the required force at working deflection, maximum deflection, allowable set and operating travel.
  • Disc geometry: Define OD, ID, thickness, free height, edge condition, flatness reference and tolerances.
  • Stack arrangement: Identify single, series, parallel or combined stacking and the available guide, seating and lubrication conditions.
Standards and ordering definition: DIN 2093 or a customer spring drawing may define conical disc geometry and acceptance when expressly applicable. The purchase order must separately define titanium grade, condition, dimensions, functional requirements, tests and documentation.

Send a drawing or complete fastener definition
Include dimensions, quantity, mating parts, service conditions, finish and inspection requirements.

Request a Quotation

Chemical Composition – Titanium Grade 5

Weight percent. Values are material limits; titanium is the balance.

AlVFe maxO maxC maxN maxH maxResidual each / totalTi
5.50–6.753.50–4.500.400.200.080.050.0150.10 / 0.40Balance

Mechanical Properties – Grade 5 Material Reference

PropertyAnnealed Grade 5 Material Reference Minimum
Ultimate tensile strength895 MPa (130 ksi)
0.2% yield strength828 MPa (120 ksi)
Elongation10%
Reduction of area25%

Material values do not automatically establish finished-fastener loadability. Finished-part acceptance depends on geometry, manufacturing route, condition and the expressly invoked fastener specification or drawing.

Typical Physical Properties

PropertyTypical Value
Density4.43 g/cm³
Elastic modulusApproximately 114 GPa
Poisson ratioApproximately 0.34
Thermal conductivityApproximately 6.7 W/m·K
Coefficient of thermal expansionApproximately 8.6 µm/m·K
Melting rangeApproximately 1604–1660°C

Physical values are typical engineering references and are not inspection acceptance limits.

Certificates & Inspection Records

SAKY ALLOY quality management system certificate

Services We Can Provide

Drawing ReviewGeometry, thread, tolerances and mating-component review.
Custom ManufacturingMetric, inch and drawing-specific production subject to review.
InspectionDimensional checks, thread gauging and agreed functional testing.
Surface OptionsCleaning, identification, lubricant or coating by agreement.
TraceabilityMTC, heat/lot records and inspection documentation.
Export SupportProtected packing, labeling and shipping documents.

Product Packaging

Grade 5 Titanium Belleville Washers are separated by size and lot, protected against thread and surface damage, and labeled with grade, dimensions, quantity and traceability reference. Inner bags, cartons and export cases are selected according to product geometry, quantity and shipping method.

Application Scenarios

Chemical processing equipment application environment

Chemical Processing

Corrosion-resistant equipment joints selected against the complete process environment.

Power and energy equipment application environment

Power & Energy

Lightweight engineered assemblies requiring controlled dimensions and traceability.

Marine and shipbuilding application environment

Marine & Shipbuilding

Corrosion-resistant joints subject to galvanic, preload and service-condition review.

FAQ

Can a titanium Belleville washer use a steel spring table?

No. Force and deflection depend on material modulus, condition, geometry and manufacturing. Titanium parts require their own validated design and test criteria.

Can Belleville washers be stacked?

Yes, but series and parallel arrangements change load and deflection. Stack configuration, guides, seating and working travel must be specified.

What data is needed for quotation?

Provide grade, OD, ID, thickness, free height, required load at deflection, stack arrangement, quantity, fatigue duty, tests and certificates.

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