ASTM F136 Titanium Block Gr5 Eli Gr2 Gr4 Titanium Disc 98mm for Dental Implant
- Material: Ti-6Al-4V ELI (Grade 23)
- Standard: ASTM F136 / ISO 5832-3
- Dimension: Ø98mm x 10–25mm
- Application: CAD/CAM Dental Milling
Direct manufacturer supplies from Baoji, China's Titanium Valley. Fully certified to ASTM F136, ASTM B348, ASTM B338, and ASTM B363 standards with complete EN 10204 3.1 mill test reports.
Why leading aerospace, hypercar motorsport teams, and offshore chemical operators replace stainless steel (304/316) and high-tensile 10.9/12.9 alloy steels with precision-machined titanium fasteners.
Procuring industrial fasteners from a direct manufacturer in China requires an exhaustive metallurgical understanding of titanium alloys. As modern high-stress assemblies face dual demands of mass minimization and extreme galvanic or environmental corrosion resistance, titanium fasteners have shifted from an aerospace-exclusive luxury to a standard necessity in EV battery trays, high-performance aftermarket motorsport, subsea oil and gas valves, and chemical processing heat exchangers. At Jovzi Titanium Industry Co., Ltd. (established 2006 in Baoji, China's "Titanium Valley"), our engineering division operates at the intersection of material science and multi-axis CNC manufacturing to produce fasteners that withstand cyclic dynamic shock and severe corrosive environments.
The primary performance driver of titanium fasteners is their exceptional strength-to-weight ratio. Grade 5 titanium (Ti-6Al-4V, UNS R56400) provides a minimum tensile yield of 828 MPa and an ultimate tensile strength exceeding 895 to 1000 MPa, comparable to Class 10.9 steel fasteners, yet it possesses a density of merely 4.43 g/cm³—a roughly 45% reduction in deadweight compared to carbon steel (7.85 g/cm³). Concurrently, the spontaneous creation of a stoichiometric, self-healing titanium dioxide (TiO₂) passive layer gives titanium hardware near-infinite immunity to aqueous chlorides, hypochlorites, wet chlorine, and marine spray environments where austenitic stainless steels (such as 316L) routinely suffer from catastrophic pitting and crevice cracking under stress.
| Grade & UNS | Alloy Chemistry | Min. Yield (MPa) | Tensile (MPa) | Elongation (%) | Core Industrial Usage |
|---|---|---|---|---|---|
| Gr 1 (R50250) | Commercially Pure (CP Ti) | 170 | 240 | 24% | Deep-drawn gaskets, blind flanges, light-stress chemical washers |
| Gr 2 (R50400) | Commercially Pure (CP Ti) | 275 | 345 | 20% | Exhaust system studs, chemical piping bolts, plating jigs |
| Gr 5 (R56400) | Ti-6Al-4V (Alpha-Beta) | 828 | 895–1000 | 10% | Wheel lug bolts, brake caliper bolts, aerospace structural studs |
| Gr 5 ELI (R56401) | Ti-6Al-4V Extra Low Interstitial | 795 | 860 | 10% | ASTM F136 surgical bone screws, dental implants, cryogenic fasteners |
| Gr 7 (R52400) | Ti-0.15Pd (Palladium Alloy) | 275 | 345 | 20% | Reducing acid fasteners, chlor-alkali autoclaves, brine manifold bolts |
| Gr 12 (R53400) | Ti-0.3Mo-0.8Ni | 345 | 483 | 18% | Elevated temperature chemical reactors, seawater heat exchangers |
However, purchasing engineers must recognize that raw alloy chemistry alone does not guarantee bolt longevity. The crucial factor lies in the thread forming process. Budget machine shops cut threads via turning inserts, which severs the longitudinal grain boundaries of the drawn titanium bar, establishing severe microscopic notch sensitivity that induces catastrophic shearing under fatigue loads. In contrast, Jovzi Titanium uses hot-heading or precision cold-heading paired with cylindrical die thread rolling. This plastically deforms the grain flow along the root and crest contours of the thread, inducing favorable compressive residual stresses and boosting fatigue cycle life by more than 300% to 500% compared to cut threads.
Key shifts transforming global supply chains, international trade standards, and metallurgical manufacturing from 2025 to 2030.
The acceleration of 800V electric vehicle architectures and Urban Air Mobility (eVTOL) aircraft demands aggressive mass reduction. Engineers are replacing un-sprung rotating steel hardware with Grade 5 Titanium lug bolts and rotor fasteners to save up to 2.5 kg per wheel hub, lowering rotational inertia and directly extending battery range and suspension responsiveness.
Proton Exchange Membrane (PEM) electrolyzers and Carbon Capture, Utilization, and Storage (CCUS) facilities expose bolted joints to acidic condensates, high pressures, and atomic hydrogen embrittlement. Demand for Palladium-stabilized Grade 7 and Molybdenum-Nickel Grade 12 fasteners is surging due to their extreme crevice corrosion resistance in hot reducing brines.
Procurement teams now enforce full digital lifecycle traceability. Modern requests mandate heat-lot bar codes linked directly to vacuum-arc remelt (VAR) ingot chemistry. Simultaneously, physical vapor deposition (PVD), micro-arc oxidation (MAO), and diamond-like carbon (DLC) coatings have resolved titanium's historical thread galling challenges without messy pastes.
Eliminate intermediary markup, mitigate non-conformance risks, and access factory-direct metallurgical testing from Baoji, Shaanxi.
Situated in China's core titanium industrial cluster, we secure high-purity sponge, vacuum-arc melting capacity, and raw stock at localized cost efficiencies that trading companies cannot replicate.
Led by 4 senior and 5 intermediate metallurgical engineers with 19+ years of foreign export history, our engineering team audits chemical stoichiometry, grain size, and mechanical tolerances prior to batch release.
Beyond our ISO 9001 internal laboratory checks, every export container can be independently verified and cross-tested by the nationally recognized BaoTi Test Center, guaranteeing zero scrap rates.
From complex DIN 912 socket caps, 12-point flange heads, and race-spec drilled heads to vivid PVD anodization (burnt blue, gold, purple, black), we deliver custom drawings to final parts within tight tolerances (±0.01mm).
Detailed technical and commercial answers addressing metallurgical parameters, minimums, inspection protocols, and logistics.