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Grade 5 Titanium Hex Flange Bolts

Grade 5 Titanium Hex Flange Bolts

Grade 5 Titanium Hex Flange Bolts with integral bearing flanges for corrosion-resistant joints. Head, flange, thread, length, serration option and inspection follow the specified standard or drawing.

Material
Grade 5 / Ti-6Al-4V / UNS R56400
Head
Hex head with integral flange
Flange
Plain or drawing-specific serrated
Documents
MTC, dimensions and thread inspection
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Product Detail

Product Introduction

Grade 5 Titanium Hex Flange Bolts combine a hex wrenching head and integral circular flange that distributes bearing load over a larger area than a conventional hex head alone. The joint must define flange diameter and underside, mating surface, washer policy, serrations if any, thread, grip, engagement, tightening method and galling control.

Product Specifications

ProductGrade 5 Titanium Hex Flange BoltsMaterialTitanium Grade 5 / Ti-6Al-4V / UNS R56400
Product FormStandard or drawing-specific titanium fastenerTypical Inquiry RangeMetric, inch and custom sizes confirmed at RFQ stage
Dimensional ReferencesExpressly invoked standard 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

  • Flange interface: Define flange diameter, thickness, underside geometry, bearing surface and whether a separate washer is permitted or prohibited.
  • Plain or serrated: State underside condition. Serrations can change locking behavior, surface damage, reuse and corrosion performance and require application validation.
  • Joint control: Specify thread and fit, length, grip, mating material, preload method, lubricant or coating and service environment.
Standards and ordering definition: ISO 4162, DIN 6921 or an approved drawing may define hex flange bolt geometry when expressly invoked. The order must separately define titanium grade, condition, mechanical acceptance, flange underside, testing 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 Hex Flange Bolts 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

What is the purpose of the integral flange?

It increases the bearing area beneath the head and can simplify joint hardware. Actual bearing stress and surface compatibility still require review.

Are serrated flange bolts reusable?

Reuse should not be assumed. Serrations can damage the mating surface and their locking behavior can change after installation and removal.

Does DIN 6921 define Grade 2 or Grade 5 titanium?

No. It can provide geometry when invoked, while titanium material, condition, finished-bolt acceptance, testing and certificates must be specified separately.

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