In Scope
Subtractive CNC Machining
3-axis, 4-axis, 5-axis milling, turning, mill-turn, and wire EDM of wrought Ti-6Al-4V bar, billet, plate, and near-net forging stock.
Boze Titanium Manufacturing Center | Grade 5 Ti-6Al-4V | AS9100D
Grade 5 Titanium CNC Machining Services — Ti-6Al-4V (UNS R56400)
Precision Ti-6Al-4V (Grade 5) components for aerospace, medical, and advanced industrial applications. Controlled cutting temperatures, thin-wall deformation management, and documented material traceability. AS9100D controlled process, ±0.005 mm tolerance target, MTR supported.
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±0.005mm Tolerance
Ra 0.8μm Finish
1 piece MOQ
5–7 d Prototype
Ti-6Al-4V UNS R56400 AS9100D MTR 5-Axis
AS9100D
Aerospace Quality Management System
ISO 9001:2015
Certified Quality Management System
Medical Device Quality Standard
MTR Traceability
Material Test Reports with Every Shipment
Scope & Limits
What This Page Covers — and What It Does Not
We machine Ti-6Al-4V Grade 5 to customer-defined drawings and purchase specifications, with material standards, condition, inspection requirements, and acceptance criteria confirmed during RFQ review. The limits below are not caveats — they are the procurement boundaries you should validate before releasing a drawing.
In Scope
Compliant Traceability
MTR per EN 10204 3.1, lot / heat identification, dimensional inspection records, and agreed certificates of conformance reviewed against the order documentation.
In Scope
Engineered Finishing
Vacuum stress-relief (where specified), deburring, edge conditioning, surface-finish inspection, and Type II anodizing on compatible alloys.
Out of Scope
Finished-Device Compliance
For implant-related applications, material conformity alone does not establish finished-device compliance. Final validation, regulatory responsibilities, and acceptance testing remain with the customer.
Out of Scope
Universal Tolerance Guarantees
±0.005 mm and Ra 0.8 μm are project-specific precision targets. Final tolerance is confirmed after CAD, drawing, material condition, feature geometry, volume, and inspection-method review.
Out of Scope
NDA-as-ITAR-Proof
We do not represent NDA coverage alone as proof of ITAR compliance. Any ITAR-controlled technical data requires a separate compliance and authorization review before transfer or processing.
Engineering Compliance
Material Compliance Starts with the Correct Specification
For aerospace structural components, medical device components, and precision industrial assemblies, material selection is only the first control point. The manufacturing process must also preserve drawing requirements, material identity, dimensional conformity, and lot-level documentation.
| Standard / Specification | Material or Quality Scope | Application in Procurement |
|---|---|---|
| ASTM B348 | Titanium and titanium alloy bars and billets | Verify grade, condition, dimensions, and material certification against the purchase order. |
| ASTM F136 | Wrought Ti-6Al-4V ELI alloy for surgical implant applications | Confirm ELI material designation and applicable requirements for implant-related components. |
| ISO 5832-3 | Wrought Ti-6Al-4V alloy for surgical implants | Verify the specified material grade and applicable product requirements. |
| AMS 4928 | Aerospace titanium alloy material specification | Confirm specification applicability to the ordered product form, condition, and procurement requirements. |
| AS9100D | Aerospace quality management system | Applicable when the manufacturing facility holds the relevant certification. |
| ISO 9001 | Quality management system | Applicable when the manufacturing facility holds the relevant certification. |
Material Documentation: MTR supplied with each shipment covered by the agreed traceability requirements.
Material certificates, heat or lot identification, and purchase specification requirements are reviewed against the order documentation. Customer-supplied material can be processed subject to incoming inspection, material identification, and agreed acceptance criteria.
Technical Capabilities
Three Critical Controls for Precision Ti-6Al-4V Machining
01
Thermal Management and Cutting-Edge Stability
Engineering Challenge
Grade 5 titanium has low thermal conductivity. Heat concentrates near the tool–workpiece interface rather than dissipating rapidly through the workpiece and chips. Combined with titanium's chemical reactivity at elevated temperatures, this can accelerate tool wear, promote adhesion, and increase the risk of edge chipping or unstable surface conditions.
Our Machining Approach
We select cutting parameters, tool geometry, carbide grades, and coatings according to the component geometry, engagement conditions, and material condition. Where compatible with the machine setup and tool design, high-pressure coolant (HPC) and through-spindle coolant delivery help control the cutting zone and evacuate chips. Toolpath strategies, engagement control, and cutting-edge condition monitoring are used to manage heat generation and reduce avoidable tool failure.
Engineering Outcome
More controlled cutting conditions for Ti-6Al-4V; reduced risk of tool-related dimensional drift and surface damage; improved process repeatability through controlled tool life and machining parameters. Final achievable tolerances depend on part geometry, setup rigidity, material condition, feature accessibility, and the inspection method.
02
Thin-Wall Stability, Springback, and GD&T Control
Engineering Challenge
Grade 5 titanium has an elastic modulus of approximately 110 GPa. Thin walls and slender features can deflect under cutting forces and recover elastically after the tool passes. Residual stress, fixture pressure, tool engagement, and datum changes can further affect the final geometry. A nominally accurate toolpath is not enough: the finished part must satisfy the specified geometric relationships and inspection datums.
Our Machining Approach
We develop machining sequences around the component's structural stiffness and critical features. Depending on the drawing and setup, the process may incorporate 3-axis / 4-axis / 5-axis CNC machining selected for feature access and datum control, dedicated or custom workholding to minimize distortion without excessive clamping pressure, balanced roughing and finishing sequences, optimized tool engagement and cutting direction for thin-wall features, in-process measurement and tool / coordinate compensation where supported by the process, and final dimensional inspection against the drawing's GD&T requirements.
Engineering Outcome
For suitable, validated geometries, the machining process can target linear dimensional tolerance up to ±0.005 mm and GD&T positional tolerance up to 0.01 mm. These are project-specific precision targets, not universal guarantees. The final tolerance commitment is confirmed after reviewing the CAD model, drawing, material condition, feature geometry, production volume, and measurement requirements.
03
Stress Relief, Surface Integrity, and Finishing
Engineering Challenge
Material removal can redistribute residual stresses, particularly in thin-wall structures and components machined from stress-bearing stock. Tool condition, cutting parameters, burr formation, and post-machining treatment can also affect surface integrity and dimensional stability. Surface roughness alone does not establish fatigue performance, corrosion resistance, or suitability for a safety-critical application.
Our Machining Approach
We define the finishing sequence around the component's material specification and functional requirements. Depending on the agreed process, this may include rough machining followed by a controlled finishing pass, vacuum stress-relief heat treatment (where specified and metallurgically appropriate), deburring and edge conditioning per drawing requirements, surface-finish inspection at designated locations, Type II anodizing (where compatible with the specified titanium alloy and approved finishing process), and final dimensional inspection after applicable secondary operations.
Engineering Outcome
Default surface-finish target Ra 0.8 μm, subject to drawing and feature accessibility; dimensional verification after specified finishing operations; documented material identity and agreed inspection records; defined acceptance criteria for critical surfaces, edges, and geometric features. Additional finishing processes, coatings, or treatments are confirmed against the component's functional requirements before quotation.
Flexible Supply Chain
From One-Off Prototype to Repeatable Production
Titanium machining projects often face two competing pressures: engineering teams need rapid design validation, while procurement teams need control over material exposure, scrap risk, and production lead time. Our commercial model supports prototype evaluation, process refinement, and subsequent production planning without requiring a large initial order.
| Commercial Parameter | Prototype / Engineering Validation | Production |
|---|---|---|
| Minimum order quantity | 1 piece | Based on the production order |
| Indicative lead time | 5–7 working days | 3–4 weeks |
| Typical objective | Validate fit, interfaces, critical dimensions, and manufacturability | Establish repeatable output against the approved drawing and inspection plan |
| Heat treatment | Included in the stated prototype target when specified and feasible within the agreed process | Scheduled according to the approved process route |
| Material documentation | As agreed in the purchase specification | MTR and traceability documentation per the order requirements |
Lead times are planning targets, not automatic guarantees. They begin after the required technical information, material availability, order approval, and production arrangements are confirmed. Complex geometry, external processing, inspection requirements, and customer-supplied material may affect the schedule.
Customer-Supplied Material
Control Material Spend and Buy-to-Fly Exposure
For high-value titanium components, raw material can represent a significant share of total part cost. Purchasing additional stock for prototypes or low-volume production can also increase working-capital exposure. Customer-supplied material is accepted by prior agreement, subject to specification review, incoming inspection, identification, and traceability requirements.
We can review the relationship between incoming stock size, finished-part envelope, machining allowance, and expected chip generation during DFM. Buy-to-Fly ratio depends on the starting material form and mass, finished-part mass, nesting or stock strategy, and process route. It is evaluated as a project-specific material-efficiency measure rather than a guaranteed percentage reduction.
Customer-Supplied Stock — What It Helps With
- Retain purchasing control over approved aerospace- or medical-grade stock.
- Use existing inventory or centrally managed material allocations.
- Reduce the need to finance additional raw material through the machining supplier.
- Improve visibility into material utilization and scrap exposure.
Commercial & Project Protection
- Mutual NDA available before sensitive CAD files or technical drawings are exchanged.
- MTR documentation for material covered by the agreed traceability requirements.
- RFQ review covering material, tolerances, finish, inspection, and delivery requirements.
- Customer-supplied stock accepted subject to technical and quality approval.
Applications
Titanium Parts That Perform Where It Matters
From aircraft structures to surgical implants, precision titanium machining delivers the strength, bio-compatibility, and corrosion resistance that demanding industries rely on.
[Aerospace Structural Element] AERO
Aerospace Structural Elements
Brackets, fittings & frames machined from Grade 5 Ti-6Al-4V under AS9100D-controlled processes.
[Orthopedic Bone Screw] MED
Orthopedic Bone Screws
Implant-grade Grade 23 ELI (Ti-6Al-4V ELI) parts machined in cleanroom-controlled environments.
[Marine Valve Components] MAR
Marine Valve Components
Corrosion-resistant titanium valves, shafts & housings engineered for extreme offshore service.
[Motorsport Fasteners] MTR
Motorsport Fasteners
High-strength titanium bolts, studs & hardware for racing and high-performance vehicles.
Submit Your Engineering Package
Have a Ti-6Al-4V Component Ready for Manufacturing?
Send your drawing to initiate a technical review of manufacturability, dimensional requirements, material specifications, and the proposed machining route. Whether you are validating a one-piece prototype or preparing a repeat production order, the review starts with the actual component — not a generic machining capability list.
Accepted file formats: STEP, STP, DXF, and supporting engineering drawings in agreed formats.
For an efficient review, include:
- 3D CAD model and dimensioned 2D drawing
- Material grade, product form, and applicable specification
- Critical dimensions and GD&T callouts
- Required surface finish and post-processing
- Prototype quantity or forecast production volume
- Inspection, certification, and documentation requirements
- Target delivery date and shipping destination
What Happens Next
- 1
Drawing and Specification Review
We review the component geometry, material requirements, critical features, and available manufacturing information.
- 2
DFM and Process Feasibility
We identify potential machining constraints, thin-wall risks, datum considerations, finishing requirements, and any information needed to finalize the process route.
- 3
RFQ and Delivery Planning
We prepare a quotation based on the confirmed scope, including material responsibility, manufacturing operations, inspection requirements, lead time, and documentation.
Target response: Initial RFQ acknowledgment within 24 hours on working days, with a DFM review and quotation timeline confirmed according to drawing completeness and project complexity.
Confidentiality Comes First
Mutual NDA available before technical file exchange. We treat customer drawings, CAD models, specifications, and project information as confidential under the agreed contractual terms. Any ITAR-controlled technical data requires a separate compliance and authorization review before transfer or processing. We do not represent NDA coverage alone as proof of ITAR compliance.
Related Capabilities
Continue the Engineering Review
3/4/5-Axis Titanium Machining
Axis configuration selection for Ti-6Al-4V
/titanium-cnc-machining-services/3-5-axis-cnc-machining/ →
Titanium CNC Milling & Turning
Milling, turning, and mill-turn for Grade 5
/titanium-cnc-machining-services/cnc-milling-turning/ →
Grade 5 Ti-6Al-4V Material Data
Composition, mechanical properties, and forms
/materials/grade-5/ →
AS9100D Compliance Hub
Aerospace / medical / defense compliance scope
/capabilities/compliance/ →
Submit Grade 5 RFQ
Upload drawing for DFM engineering review
/rfq/ →
Grade 23 Ti-6Al-4V ELI Machining
Medical / implant counterpart of Grade 5 — ELI interstitial limits, ASTM F136, ASTM F86 passivation, sterilization compatibility.
/titanium-cnc-machining-services/grade-23-titanium-cnc-machining/ →
Grade 2 CP-Ti Machining
CP-Ti counterpart — chemical / marine / biomedical focus, ASTM B348, gummy-chip control, ASTM B600 surface preparation.
/titanium-cnc-machining-services/grade-2-titanium-cnc-machining/ →
Grade 9 Ti-3Al-2.5V Machining
Near-alpha counterpart — aerospace hydraulic tubing, AMS 4943, thin-wall tube / fatigue surface integrity.
/titanium-cnc-machining-services/grade-9-titanium-cnc-machining/ →
Grade 6 Ti-5Al-2.5Sn Machining
Alpha alloy counterpart for high-temperature aerospace — jet-engine compressor, pressure vessels, AMS 4910/4925.
/titanium-cnc-machining-services/grade-6-titanium-cnc-machining/ →
Grade 8 Ti-3Al-2.5V + 0.05Pd Machining
Pd-stabilized near-alpha — GR9 formability + GR7 reducing-acid corrosion, hydraulic tubing.
/titanium-cnc-machining-services/grade-8-titanium-cnc-machining/ →
Frequently Asked Questions
Grade 5 Ti-6Al-4V CNC Machining — Engineering FAQ
Q1 What is Grade 5 titanium and how is it designated in standards?
Grade 5 titanium is the common designation for the wrought alpha-beta alloy Ti-6Al-4V (UNS R56400). It is referenced in ASTM B348 (bars and billets), AMS 4928 (aerospace), and ISO 5832-3 (surgical implants). For medical-implant applications the ELI variant is Grade 23 (Ti-6Al-4V ELI) per ASTM F136.
Q2 What tolerance can be achieved on Grade 5 Ti-6Al-4V machined components?
For validated, supported geometries the machining process can target linear dimensional tolerances up to ±0.005 mm and GD&T positional tolerances up to 0.01 mm. Final tolerance commitment is confirmed after CAD, drawing, material condition, feature geometry, and inspection method review — not all features can be held at the tightest band simultaneously.
Q3 What quality documentation is supplied with each order?
Material Test Reports (MTR) per EN 10204 3.1 (or per the agreed specification), heat / lot identification, dimensional inspection records, and the agreed certificates of conformance are reviewed against the order documentation. Customer-supplied material is accepted by prior agreement and routed through incoming inspection.
Q4 What is the minimum order quantity for a Grade 5 titanium prototype?
A 1-piece minimum order quantity is supported to allow engineering teams to evaluate fit, critical dimensions, GD&T, thin-wall behavior, and surface finish before committing to a production run. Indicative prototype lead time is 5–7 working days, subject to drawing completeness, material availability, and inspection scope.
Q5 Can customer-supplied titanium stock be used?
Yes — by prior agreement, customer-supplied material is accepted subject to specification review, incoming inspection, material identification, and traceability requirements. This arrangement can help customers retain purchasing control over approved aerospace- or medical-grade stock and reduce working-capital exposure on raw material.
About Boze Titanium Manufacturing Center
One Metal. One Focus. Infinite Precision.
Founded in 2011 in Baoji's Titanium Valley, BOZE Metal is dedicated exclusively to titanium — from raw material to precision engineering. AS9100D, & ISO 9001 certified with 500+ clients across Aerospace, Medical & Motorsport industries, we deliver end-to-end precision titanium CNC machining with full material traceability from source to component.
Boze Titanium Manufacturing Center is operated by Baoji Boze Metal Products Co., Ltd.
Certifications verified by ASTM International titanium material specifications (B265, B348, B381, F136, F2924) with full EN 10204 3.1 mill test certification. Our quality system is operated under AS9100D by Baoji Boze Metal Products Co., Ltd.
AS9100D ISO 9001 500+ Clients 15+ Years OEM/ODM