DIN 912
Factory Catalogue
High-Precision GR5 Fastener & Bar Solutions
Engineered from elite Baoji vacuum arc remelted (VAR) Ti-6Al-4V alloy stock. Ready for Prešov procurement and custom fabrication.
High Strength
Burnt Blue
TiN Golden
Anti-Vibration
Torx T30
Precision M7
Braking Refit
Engineering Whitepaper: Metallurgical Superiority of GR5 (Ti-6Al-4V) in High-Stress Prešov Manufacturing
As the administrative and manufacturing hub of Eastern Slovakia, Prešov commands a strategic industrial corridor spanning aerospace component machining, precision hydraulic valves, automotive sub-assemblies, and competitive motorsport production. For mechanical engineers and procurement specialists operating across Kechnec, Košice, and the wider Prešov region, balancing structural shear thresholds against aggressive rotating weight has elevated Grade 5 Titanium (Ti-6Al-4V, UNS R56400 / 3.7165) from a niche aerospace alloy to an essential production baseline.
Supplied straight from the world's most concentrated titanium production cluster in Baoji, Shaanxi, China, Navzo Precision Titanium supplies mill-certified GR5 Ti-6Al-4V round bars, hexagon billets, and precision-turned stock that resolve the long-standing compromises of 316L stainless steel and 10.9/12.9 high-tensile alloy steels.
Microstructural Integrity & Mechanical Thresholds
Grade 5 is an alpha-beta (α+β) dual-phase titanium alloy containing approximately 6% aluminium as the alpha-stabilizer and 4% vanadium as the beta-stabilizer. This chemical matrix achieves exceptional specific strength (strength-to-weight ratio). At a nominal mass density of 4.43 g/cm³, Ti-6Al-4V delivers approximately 56% of the mass of structural alloy steel while generating room-temperature minimum tensile strength of 895 to 930 MPa and yield strength exceeding 828 MPa.
| Alloy Grade / Specification | Density (g/cm³) | Yield Strength Rp0.2 (MPa) | Tensile Strength Rm (MPa) | Modulus of Elasticity (GPa) | Corrosion Resistance |
|---|---|---|---|---|---|
| Navzo GR5 (Ti-6Al-4V / ASTM B348) | 4.43 | ≥ 828 | ≥ 895 | 114 | Immune in Cl⁻ / Nitric / Bio-Fluids |
| Commercial Pure Gr2 (ASTM B348) | 4.51 | ≥ 275 | ≥ 345 | 103 | High Chemical Passivation |
| Alloy Steel Grade 10.9 (ISO 898-1) | 7.85 | 900 | 1000 | 210 | Requires Zn/Ni/Galvanic Protection |
| Austenitic Stainless A2-70 / 304 | 7.93 | 450 | 700 | 193 | Susceptible to Crevice & Pitting |
The modulus of elasticity of Ti-6Al-4V stands at approximately 114 GPa, roughly half that of structural steels. In dynamically loaded applications common to Slovak motorsport and railway suspension linkages, this lower elastic modulus confers higher compliance under shock vibration, drastically attenuating stress spike concentrations at bolt root threads and mating interfaces.
Localized Industrial Applications in the Prešov & Eastern Slovak Industrial Sphere
Precision titanium bars and finished fastener stock sourced from Navzo interface directly with the specialized manufacturing hubs of eastern Slovakia, supporting high-yield production across four core verticals:
Aerospace Sub-Contracting & Flight Frame Tooling
Eastern Slovakia's technical universities and aeronautical machine shops require ASTM B348 and AMS 4928 certified round bars for non-magnetic, low thermal expansion fixtures, radar-transparent mounts, and lightweight sensor housings.
Automotive Tier-1 Tooling & Motorsport
With Slovakia maintaining the highest per-capita car manufacturing rate globally, Tier-1 contractors near Prešov deploy our GR5 titanium bars to machine robotic welding arms, non-corrosive jigging, and bespoke racing wheel studs.
Chemical Fluid Valves & Hydraulic Systems
Local industrial processors handling harsh chlorides and acidic processing bypass 316 stainless chloride stress-corrosion cracking (SCC) by deploying turned GR5 valves, manifolds, and high-pressure titanium hex plugs.
Emerging Procurement & Engineering Trends in Slovakia's Metal Sector
Slovak machine builders and engineering companies are reshaping their raw material supply chains under three dominant industry forces:
- Near-Net-Shape Sizing to Minimize Tool Wear: Machining titanium requires low cutting speeds, high feed rates, and extreme rigidity due to low thermal conductivity. Prešov engineers increasingly demand precision centerless-ground bars (±0.04mm h7/h8 tolerance) to avoid rough turning passes and preserve costly carbide tooling.
- Supply Chain De-Risking via Baoji Direct Sourcing: European distributors frequently hold small, fragmented titanium inventories marked up significantly. Forward-looking Slovak buyers are securing direct factory contracts with Baoji manufacturers like Navzo, obtaining Mill Test Certificates (EN 10204 3.1) and lot-specific traceability at primary producer pricing.
- Transition to EV Light-Weighting Protocols: With the automotive shift toward electric battery packs, reducing unsprung mass in suspension hubs, brake calipers, and sub-frame mounts has created continuous demand for GR5 titanium fasteners and hollow bars.
Why Prešov Buyers Partner with Navzo Precision Titanium Products
Founded on January 10, 2011, in Yucai Road, High-tech Development Zone, Baoji, Shaanxi, China, Navzo Precision Titanium Products Co., Ltd. is located within the core of China's Titanium Valley. Our geographic placement brings our clients distinct supply advantages:
100% Traceable VAR Melting
Every bar originates from vacuum arc double or triple remelted ingots, eliminating high-density inclusions and segregation. Fully certified according to ASTM B348, AMS 4928, and ISO 5832-3 standards.
Integrated CNC Turning & Rolling
Equipped with multi-axis CNC lathes, thread-rolling machines (providing continuous unbroken grain lines over cut threads), and in-house centerless grinding lines down to strict h7 dimensional tolerances.
Verified Export Track Record
Serving precision buyers throughout Germany, the Netherlands, USA, Japan, and now expanding throughout Central & Eastern Europe with an average technical RFQ response time under 1 hour.
Baoji CNC Production Facility
High-Tolerance Bar Machining
Certified Quality Inspection
Procurement Guidance
Prešov Buyer Frequently Asked Questions
Key metallurgical and shipping insights for technical buyers importing titanium materials to the Slovak Republic.
What metallurgical test documentation is provided with titanium shipments to Slovakia?
Every shipment includes an EN 10204 Type 3.1 Inspection Certificate displaying chemical composition (Al, V, Fe, C, N, H, O), room-temperature tensile properties (tensile strength, yield strength, elongation percentage, reduction of area), and ultrasonic testing (UT) verification according to AMS 2631 or ASTM standards.
How do you mitigate thread galling during GR5 assembly?
Titanium has a thin, self-healing oxide layer that can cold-weld under dry friction. We recommend assembling with an anti-seize paste containing copper, molybdenum disulfide (MoS₂), or nickel. Alternatively, our PVD-coated (Physical Vapor Deposition) fasteners form an inert ceramic barrier that radically decreases dynamic friction.
Can Navzo cut GR5 bars to custom billets to save local machining time?
Yes. We offer precision band-saw cutting, deburring, and centerless cylindrical grinding for round bars ranging from 2mm to 350mm in diameter, with tolerance standards held to ISO h8, h7, or custom drawing requirements.
What are the freight routes and typical transit times into Prešov / Košice?
For urgent sampling and low-volume production runs, express air shipping (DHL/FedEx/UPS) delivers directly to Prešov within 4 to 7 business days. For volume manufacturing pallets, consolidated air freight or sea-rail intermodal freight routes handle door-to-door customs clearance into Eastern Slovakia seamlessly.
Accelerate Your Titanium Supply Line in Prešov
Submit your material specification, bar dimensions, or custom CNC CAD prints. Our engineering export team will review your requirements and provide mill pricing and production scheduling within 1 hour.
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