Featured Ti6Al4V Grade 5 Fasteners & CNC Machined Products
Sourced directly from our vacuum-arc remelted (VAR) titanium round bars, our ready-to-ship and customizable components undergo continuous optical and thread inspection.
GR5 Titanium Bolts M5*20mm Countersunk Hex Socket Screws
- Material:Ti-6Al-4V Grade 5
- Thread Pitch:M5 × 0.8 mm
- Drive Style:Internal Hex Socket
- Tensile Strength:≥ 895 MPa
OEM Precision CNC Machined Titanium Slotted Hex Head Screw
- Machining:5-Axis Turn-Mill
- Tolerance:±0.005 mm
- Head Style:Slotted Hexagonal
- Customization:Per Drawing / STEP
GR5 Titanium Bolts M8/M10/M12 Tapered Head Hex Bolts
- Size Range:M8, M10, M12
- Head Geometry:Conical Aerodynamic
- Thread Forming:Cold Rolled Grain
- Application:Suspension & Clamp
GR5 Titanium Bolts M5*13mm Lightweight Countersunk Torx
- Standard:Ultra-Light Spec
- Drive:T25 Inner Torx Plum
- Yield Strength:≥ 828 MPa
- Application:Disc Rotor / Aero
GR5 Titanium Bolts M6*70mm Button Head Inner Hex Screws
- Shank Length:70 mm Extended
- Head Form:Dome / Half-Round
- Density:4.43 g/cm³
- Anti-Corrosion:Immune to Chlorides
GR5 Titanium Bolts M12*45mm Cylindrical Socket Cap Screws
- Norm:DIN 912 / ISO 4762
- Proof Load:> 950 MPa Tested
- Surface:Micro-Polished
- Weight Saving:44% vs 12.9 Steel
GR5 Titanium Bolts M8*20mm Hex Flange Drilled Screws
- Locking Feature:Safety Wire Drilled
- Flange Design:Integrated Washer
- Galling Control:Anti-Galling Prep
- Industry:Motorsport Superbike
PSSTI GR5 Titanium Gold Flange Round Head Bolts M7*27
- Finish:Type II Electrochemical
- Custom Size:M7 × 27 mm
- Surface Hardness:HV 350+
- Color Stability:UV & Heat Immune
Ti6Al4V (Grade 5 / UNS R56400) Structural Metallurgy & Standards
Ti-6Al-4V is the preeminent α+β dual-phase titanium alloy, delivering an unmatched strength-to-weight ratio, extreme fracture toughness, and superior galvanic resistance across harsh operating environments.
As premier OEM/ODM Ti6Al4V titanium bar suppliers and exporters based in the industrial epicenter of Baoji, China, our manufacturing methodology begins at the atomic level. Grade 5 titanium (designated as UNS R56400, W.Nr. 3.7165, and GB/T TC4) balances 6% aluminum to stabilize the hexagonal close-packed (HCP) alpha (α) phase with 4% vanadium to stabilize the body-centered cubic (BCC) beta (β) phase. This thermodynamic equilibrium yields an ultra-high yield strength (≥ 828 MPa) with a density of merely 4.43 g/cm³, effectively eliminating 44% of structural weight when compared directly with grade 12.9 alloy steels while outperforming standard austenitic stainless steels in fatigue tolerance and bio-inertness.
| Standard Specification | Intended Application Sector | Tensile Strength (UTS, Min) | Yield Strength (0.2%, Min) | Elongation at Break | Key Interstitial Limits |
|---|---|---|---|---|---|
| ASTM B348 Grade 5 | Industrial, Chemical, Marine Bar | 895 MPa (130 ksi) | 828 MPa (120 ksi) | ≥ 10% | O ≤ 0.20%, Fe ≤ 0.40%, H ≤ 0.015% |
| AMS 4928 / AMS 4967 | Aerospace Rotating Rods & Bolts | 930 MPa (135 ksi) | 860 MPa (125 ksi) | ≥ 10% | O ≤ 0.18%, N ≤ 0.05%, C ≤ 0.08% |
| ASTM F136 (Ti6Al4V ELI) | Medical Implants & Surgical Rods | 860 MPa (125 ksi) | 795 MPa (115 ksi) | ≥ 10% | O ≤ 0.13%, Fe ≤ 0.25%, C ≤ 0.08% |
| ISO 5832-3 | Surgical Implants & Orthopedic Pins | 860 MPa (125 ksi) | 780 MPa (113 ksi) | ≥ 12% | O ≤ 0.13%, N ≤ 0.05%, H ≤ 0.012% |
| ASTM F1472 | Surgical Fixations & Fastener Blanks | 930 MPa (135 ksi) | 860 MPa (125 ksi) | ≥ 10% | Controlled low interstitials for biocompatibility |
Microstructural Grain Homogeneity
We mandate fine equiaxed α grains surrounded by intergranular β network through strictly calibrated multi-stage radial forging below the β-transus temperature (typically 995°C ± 15°C). This prevents brittle coarse lamellar colony formation and enhances high-cycle fatigue longevity.
Vacuum Arc Remelting (VAR) Control
Our Ti6Al4V billets are formulated exclusively from premium sponge titanium melted through 2-pass or 3-pass consumable electrode Vacuum Arc Furnaces. This eliminates high-density inclusions (HDI) and low-density nitrogen-rich voids (LDI) for critical rotordynamic parts.
Precision Bar Processing, Centerless Peeling & Calibration
Every Ti6Al4V titanium bar processed in our Baoji facility undergoes hot rolling, continuous induction annealing, precision straightening, centerless peeling, and multi-stage polishing. By maintaining strict control over the surface decarbonization and cold-drawing strain rates, we deliver bar tolerances compliant with ISO h7, h8, h9, and h11 accuracy classes.
For clients requiring turn-key fasteners and CNC sub-assemblies, our Swiss-type 5-axis machining lines and automated cold heading machines process bar stock seamlessly. Cold-rolled threads preserve unbroken longitudinal grain boundaries, generating 30% higher shear fatigue resistance compared to conventional cut threads.
Future Sourcing & Procurement Trends: Ti6Al4V Market 2025–2030
Understanding macro-supply shifts, raw material capacity distributions, and evolving compliance mandates gives international buyers an enduring commercial edge.
Dual-Certified Stock Standard
Procurement directors are consolidating bills of materials by requesting dual-certified bars meeting both ASTM B348 (Industrial) and AMS 4928 / ASTM F136 (Aerospace/Medical), reducing inventory footprint and streamlining downstream compliance audits.
Near-Net Shape & Buy-to-Fly Ratio
With aerospace and motorsport OEMs targeting carbon reduction, scrap-minimizing stepped bar profiles, custom extruded hexagon bars, and cold-headed preforms are replacing heavy solid round billets, cutting the buy-to-fly ratio from 10:1 down to below 3:1.
Direct Mill Integration at Baoji
Western and East Asian engineering enterprises are cutting intermediaries by securing primary agreements directly with Baoji manufacturers, bypassing multiple handling fees, shaving 4-6 weeks off lead times, and obtaining raw ingot batch traceability.
Why Global Procurement Teams Choose Navzo Precision
Headquartered on Yucai Road in Baoji's High-Tech Development Zone, Navzo combines upstream material supremacy with rigorous CNC manufacturing.
Baoji Titanium Cluster Advantage
Positioned at the epicentre of China's titanium sponge and forging reserve, our raw bar sourcing is immune to secondary logistics bottlenecks, guaranteeing price stability and continuous lot consistency for overseas accounts.
Comprehensive In-House Testing
Every export lot is verified via Optical Emission Spectrometry (OES), ultrasonic immersion testing (AMS 2631 Class AA/A), digital optical comparators, and calibrated go/no-go thread gauges before release.
≤ 1-Hour RFQ Response Rate
Time-zone friction is eliminated with our dedicated bilingual engineering desks. Technical reviews of 2D/3D models (STEP, DWG, PDF) and full commercial quotes are returned within 60 minutes during standard shifts.
Surface Metallurgy: Overcoming Galling & Surface Wear in Ti6Al4V
While titanium spontaneously forms a passivating TiO2 surface film, bare metal-to-metal contact under heavy preloads demands specialized surface modifications.
For high-friction threaded assemblies, racing lug nuts, and valve train hardware, we apply vacuum-deposited Titanium Nitride (TiN), Titanium Carbonitride (TiCN), or Diamond-Like Carbon (DLC) thin films. These nano-scale ceramic barriers increase surface micro-hardness up to HV 2500–3000, lowering sliding friction coefficients below 0.15 and completely arresting galling during high-speed pneumatic installations.
Our precision electrolyte tanks generate standard Type II (AMS 2488 anti-galling) and Type III aesthetic barrier layers. Voltage regulation alters refractory light refraction without pigment additives, producing vivid, UV-stable gold, burnt blue, purple, and green interference hues. For extreme exhaust environments, our controlled thermal oxidation creates iconic motorsport heat gradients immune to delamination.
Frequently Asked Technical & Sourcing Questions
Clear, engineering-backed answers addressing tolerances, certification, metallurgical testing, and global logistics for Ti6Al4V titanium bars and fasteners.
What dimensional tolerances can be maintained on your centerless ground Ti6Al4V bars?
What is the difference between Ti6Al4V Grade 5 and Ti6Al4V ELI (Grade 23)?
How does Navzo verify material purity and prevent low-density inclusions?
Why are cold-rolled threads superior to machined threads on titanium bolts?
What precautions must be observed regarding titanium thread galling and galvanic corrosion?
What are your Minimum Order Quantities (MOQ) and production lead times?
Can you machine parts directly from customer-supplied CAD files and prints?
What export packaging protocols are implemented to protect titanium bars during transit?
Connect With Baoji's Direct Titanium Bar Specialists
Accelerate your supply chain with certified Grade 5 / Grade 23 titanium bar stock, precision cold-rolled fasteners, and custom CNC components. Direct factory quotes, material test reports, and technical feasibility analyses delivered within 60 minutes.