Hot forging + vacuum annealing of valve stems and bolts
Hot forging + vacuum annealing of valve stems and bolts capability for titanium components
What is Hot forging + vacuum annealing of valve stems and bolts?
Hot forging + vacuum annealing of valve stems and bolts capability for titanium components
Hydraulic and mechanical press capability for Hot forging + vacuum annealing of valve stems and bolts, with induction heating, die temperature control, and grain flow optimization.
Engineering Parameters & Capabilities
Vacuum heat treatment of titanium in a controlled environment prevents oxygen/nitrogen pickup that causes alpha-case embrittlement. Programmable temperature profiles with inert gas fan cooling enable solution treatment, aging, stress relief, and annealing in a single cycle, specifically for valve. Precision valve for Semiconductor present unique challenges: Seat leakage Class VI (ANSI FCI 70-2) requires lapped sealing surfaces. Stem straightness ±0.02 mm over 500 mm.
| Parameter | Specification |
|---|---|
| Atmosphere | Vacuum < 10⁻⁵ torr |
| Cooling | Inert gas fan cooling (2 bar Ar); oil/water quench |
| Max Temp | 1200°C (beta solution treatment) |
Engineering Capabilities & Limits
Hydraulic and mechanical press capability for Hot forging + vacuum annealing of valve stems and bolts, with induction heating, die temperature control, and grain flow optimization.
Hole Types Supported
Heat Control Measures
Graphite heating elements with molybdenum radiation shields. Partial pressure argon backfill during cooling for uniform thermal distribution.
Flatness & Stress Relief
Ceramic or titanium fixtures maintain component geometry during thermal cycling. Controlled cooling rate minimizes thermal gradient distortion.
Tolerance
+0.01 mm (seat) / +0.02 mm (stem)
Typical Applications & Components
This process is used to manufacture the following titanium components.
Titanium Anti-Roll Bar Droplink
Grade 5 Ti-6Al-4V Automotive & MotorsportsTitanium Bell Crank Rocker Arm
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium Bottom Bracket Shell
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium Brake Bleed Port Screw
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium Brake Caliper Mounting Bolt
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium Brake Caliper Piston Insert
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium Brake Lever Pivot Pin
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium Brake Pad Retaining Pin
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium Brake Rotor (Disc)
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium Camber Adjustment Shim
Grade 5 Ti-6Al-4V Automotive & MotorsportsTitanium Coilover Spring
Grade 5 Ti-6Al-4V Automotive & MotorsportsTitanium Connecting Rod
Grade 5 Ti-6Al-4V Automotive & MotorsportsTitanium Derailleur Hanger
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium Derailleur Pivot Pin
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium Disc Brake Rotor Bolt
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium Flat-Mount Brake Adapter
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium Fork Air Chamber Top Cap
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium Frame Flip Chip
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium GPS Mount Bolt
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium Handlebar End Plug
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium Handlebar Grip Lock Ring
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium Headset Compression Plug
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium Headset Crown Race
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium Headset Spacer
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium Headset Top Cap Screw
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium Hub Bolt (M12)
Grade 5 Ti-6Al-4V Automotive & MotorsportsTitanium Hydraulic Brake Banjo Bolt
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium Linkage Pivot Bolt
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium Main Pivot Axle
Grade 5 Ti-6Al-4V Cycling / BicycleTitanium Pivot Bearing Retainer Circlip
Grade 5 Ti-6Al-4V Cycling / BicycleSecondary Operations & Downstream Processing
Enhance your component with our integrated downstream services:
Hardness Testing
Rockwell C or Vickers hardness verification post-treatment.
Metallographic Analysis
Microstructure examination per ASTM E112.
Lapping (Seat)
Lapping (Seat) for hot forging + vacuum annealing of valve stems and bolts components.
Hydrostatic Test
Hydrostatic Test for hot forging + vacuum annealing of valve stems and bolts components.
Helium Leak Test
Helium Leak Test for hot forging + vacuum annealing of valve stems and bolts components.
Quality Assurance & Inspection
Inspection Items
- Hot forging + vacuum annealing of valve stems and bolts specific dimensional verification (CMM / vision)
- Material grade verification (PMI / OES spectrometer)
Quality Standards & Certifications
- ISO 9001:2015 — Quality Management System
- AS9100D — Aerospace Quality Management
- ASTM B265 — Titanium Strip, Sheet, and Plate Standard
Frequently Asked Questions
What titanium grades are suitable for Hot forging + vacuum annealing of valve stems and bolts?
What tolerances can be achieved with Hot forging + vacuum annealing of valve stems and bolts?
What quality certifications apply to Hot forging + vacuum annealing of valve stems and bolts?
What is the typical lead time for Hot forging + vacuum annealing of valve stems and bolts projects?
Can you provide DFM feedback for my Hot forging + vacuum annealing of valve stems and bolts design?
Related Forging Capabilities
Other capabilities in the same category.
Closed-die forging
Closed-die forging capability for titanium components
Isothermal die forging
Isothermal die forging capability for titanium components
Precision forging
Precision forging capability for titanium components
Ring rolling / forging
Ring rolling / forging capability for titanium components
Triaxial forging of billet for isotropic grain structure
Triaxial forging of billet for isotropic grain structure capability for titanium components
Guidance for the professionals who specify titanium
Role-specific answers and resources for engineers and buyers in this industry.
Common questions from this audience
What quality systems and certifications do you hold?
AS9100D, ISO 9001, ISO 13485, NADCAP and ITAR-compliant — with full material traceability and in-house CMM inspection.
How do you verify dimensional quality?
In-house CMM metrology and GD&T validation per ASME Y14.5, with first article inspection reports.
Do you provide engineering support and DFM?
Yes—engineering support for DFM, material selection, and tolerance feasibility.
Related resources
Request a quoteOne 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 13485 & 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.