Chemical Industry
Gr2 Titanium Anode Basket Electroplating 5x10 6x12mm
- Material: Commercial Pure Gr2
- Mesh Size: 5×10 / 6×12 mm
- Application: Electrolytic Galvanizing
High-Performance Catalog
Precision Titanium Engineering Components
From standard DIN 912 titanium socket head bolts to corrosion-resisting assemblies, forged rings, and precision wire. Sourced from sponge titanium in China’s Titanium Valley and machined to micro-tolerances for Iberian tier-one assemblies.
Valve & Flow Control
Titanium Alloy Hollow Floating Valve Ball
- Alloy: Gr2 / Gr5 / Gr12
- Structure: Precision Hollow / Solid
- Tolerance: ISO 2768-m Class
Raw Materials
Industrial ASTM B348 Titanium Bar & Billets
- Grades: Gr1, Gr2, Gr5 (Ti-6Al-4V)
- Standard: ASTM B348, AMS 4928
- Surface: Centerless Ground / Peeled
Automotive Fasteners
M8 M10 M12 Gr2 Gr5 Titanium Auto Stud Bolt
- Threads: Rolled Threads (M8/M10/M12)
- Tensile: 895–1000 MPa (Gr5)
- Thermal Stability: Up to 450°C Continual
Wire & Welding
AWS A5.16 ERTi-2 Pure Titanium Industrial Wire
- Specification: AWS A5.16 / ASTM B863
- Diameter: Down to 0.05mm Spooled
- Temper: Bright Annealed Clean Wire
Surface Treatment
Gr1/Gr2 Titanium Anodizing & Coating Jigs
- Structure: Custom Clamping Racks
- Advantage: Zero Contamination / Acid Proof
- Durability: Multi-cycle High Conductivity
Piping & Pressure
Pure Titanium Seamless Concentric Reducer
- Standard: ASME B16.9 / ASTM B363
- Form: Hydroformed Seamless
- Pressure Rating: Class 150 - Class 600
Forged Stock
Titanium Gr5 (Ti-6Al-4V) Forged Blocks ASTM B348
- Composition: Ti-6Al-4V Grade 5
- Testing: 100% Ultrasonic Flaw Detection
- Inspection: EN 10204 3.1 Certified Heat
Technical Whitepaper
Engineering Authority: DIN 912 Titanium Socket Head Cap Screws
A comprehensive metallurgy guide on replacing heavy steel fasteners (ISO Class 8.8 and 10.9) with Grade 5 (Ti-6Al-4V) and Grade 2 commercial pure titanium in severe Iberian industrial environments.
Thread Rolling Mechanics & Fatigue Life Extension
In high-vibration applications typical of automotive assemblies and high-speed freight stock near Zaragoza, cut threads introduce micro-notches that act as stress concentration risers. Jovzi Titanium produces DIN 912 bolts exclusively with cold thread rolling after vacuum stress relief annealing. This cold-working process induces continuous, uninterrupted grain lines flowing along the contour of the crests and roots, introducing favorable compressive residual stresses on the thread root that double fastener fatigue life under dynamic fatigue loading.
| Property Parameter | Commercial Pure Gr2 | Ti-6Al-4V Gr5 (Standard) | Ti-6Al-4V ELI Gr23 | Structural Steel 8.8 (Comparison) |
|---|---|---|---|---|
| Density (g/cm³) | 4.51 | 4.43 | 4.43 | 7.85 |
| Tensile Strength, Rm (MPa) | 345 – 450 | 895 – 1000 | 828 – 920 | 800 – 830 |
| Yield Strength, Rp0.2 (MPa) | 275 – 310 | 828 – 910 | 759 – 820 | 640 – 660 |
| Elongation at Break, A5 (%) | ≥ 20 | ≥ 10 | ≥ 12 | ≥ 12 |
| Elastic Modulus, E (GPa) | 105 | 114 | 110 | 210 |
| Modulus of Resilience (MJ/m³) | 0.40 | 3.29 | 2.84 | 1.03 |
| Chloride Pitting Resistance (PREN) | Immune (<80°C) | Immune (Ambient) | Immune | Severe Corrosion Rapid |
Strength-to-Weight Elasticity
Titanium Grade 5 exhibits an elastic modulus of ~114 GPa, roughly half that of structural carbon steel. When torqued as a DIN 912 socket head bolt, the lower modulus permits higher elastic stretch under preload, dampening thermal cyclic shock in cooling systems and vehicle powertrains.
Galling Mitigation Protocols
To eliminate adhesive galling common in precision-matched titanium female threads, our bolts can be furnished with micro-arc oxidation (MAO), hard anodizing (AMS 2488 Type II), or vacuum-applied anti-friction coatings (MoS₂ and graphite dispersions) validated for robotic torque tools.
Forged Hexagonal Socket Cavity
Unlike inexpensive machined sockets that shear during high-torque rundown, Jovzi forms the internal hex head socket via closed-die warm heading. This process compacts grain structure within the socket corner radii, eliminating localized stress fractures under high-pressure pneumatic impact assembly.
Aragon Regional Integration
Localized Engineering Applications Across Zaragoza
Zaragoza stands as the logistics and industrial crossroads of Southern Europe. Here is where Jovzi DIN 912 titanium fasteners provide concrete technical upgrades across Aragon’s manufacturing corridors.
Automotive Tier-1 & Stellantis Figueruelas Ecosystem
Aragon’s automotive cluster demands rapid weight reduction to counteract heavy lithium-ion EV battery systems. Our Gr5 DIN 912 bolts secure aluminum cast subframes, motor housings, and suspension mounts without establishing galvanic corrosion cells against carbon-fiber composite body plates.
PLAZA Zaragoza Intermodal Logistics & Rolling Stock
Operating inside Plataforma Logística de Zaragoza (PLAZA)—Europe’s premier multimodal freight terminal—high-speed freight car bogies, dynamic cargo tie-downs, and refrigerated container cooling loops require fasteners unaffected by winter road de-icing salts or marine chloride drag from northern rail corridors.
The Ebro Valley Green Hydrogen Corridor
Aragon leads Spain in onshore wind, photovoltaic energy, and green hydrogen synthesis. Water electrolysis skids and high-pressure proton exchange membrane (PEM) stacks demand Grade 2 and Grade 7 titanium hardware to prevent atomic hydrogen embrittlement and catastrophic embrittlement failures common in high-tensile steel.
Agrifood & Industrial Chemical Processing
With massive agrifood processing installations along the Ebro River, equipment faces organic acids, sanitizing chlorine solutions, and brine wash-downs. DIN 912 titanium socket head screws eliminate continuous paint maintenance and stainless steel stress-corrosion cracking (SCC) in sanitary centrifugal pumps.
Macro Trends & Supply Chain Resilience
Zaragoza’s Industrial Modernization: The Shift to Titanium
Examining how the Iberian Green Deal, circular manufacturing demands, and next-generation mobility platforms are shifting Basque and Aragonese specification sheets from nickel alloys and martensitic stainless steel to engineered titanium.
Life-Cycle Carbon Footprint Reduction
Under EU Corporate Sustainability Due Diligence rules, manufacturing plants across Zaragoza are assessing total life-cycle maintenance costs. Titanium fasteners exhibit near-infinite service life in atmospheric and coastal conditions, eliminating periodic chemical stripping, galvanizing maintenance, and planned hardware replacements.
Electrification of Heavy Commercial Transport
As logistics freight operators converting commercial fleets at PLAZA move to battery-electric and hydrogen fuel-cell haulage, curb weight determines cargo profitability. Utilizing Gr5 DIN 912 bolts across battery enclosures, busbars, and chassis brackets saves up to 45% weight compared to traditional steel hardware.
Baoji-to-Zaragoza Direct Supply Chain Security
Geopolitical friction has highlighted the danger of fragile raw material sourcing. Jovzi controls internal supply starting from virgin sponge titanium in Baoji’s industrial heartland directly to containerized transport landing at Zaragoza Dry Port (puerto seco) or dispatched via express air directly to local Zaragoza plants within 5-7 business days.
Manufacturer Credibility
Why Zaragoza Procurement Teams Partner With Jovzi Titanium
Established in 2006 in Baoji, China’s Titanium Valley, Jovzi Titanium Industry Co., Ltd. combines raw material sovereignty with precision multi-axis CNC manufacturing to ISO 9001 quality management benchmarks.
Dual-Tier Quality Certification
Every dispatch of DIN 912 titanium socket head bolts includes EN 10204 3.1 Mill Test Certificates detailing chemical composition, yield, tensile, and elongation. Independent third-party inspection reports by the authorized BaoTi Test Center are furnished on demand.
Advanced In-House Engineering
Our workshop houses 4 senior and 5 intermediate metallurgists and tooling engineers. We support complete custom manufacturing from STEP/DWG drawings, offering custom socket head profiles, low-profile socket caps, internal Torx broaching, and custom safety wire cross-holes.
Frictionless International Logistics
With an 81–90% export ratio, Jovzi executes comprehensive delivery frameworks: DAP/DDP direct to Zaragoza industrial parks, CIF Valencia/Barcelona seaports, or urgent international air express (DHL/FedEx/UPS) packed in secure, anti-scratch seaworthy wooden crates.
Multilingual Fast Technical Response
We bridge cross-border procurement challenges with dedicated trade managers providing rapid technical quotes in under 8 hours (GMT+8), facilitating direct currency settlement in EUR (€), USD ($), or RMB (¥) to streamline customs compliance across Spain.
Buyer Knowledge Base
Frequently Asked Questions by European Procurement Teams
Detailed answers regarding technical compliance, customs clearance for Spain, thread standards, and minimum purchase quantities.
Which titanium grades are best suited for DIN 912 socket head bolts?
For mechanical, load-bearing, and motorsport applications, Grade 5 (Ti-6Al-4V, UNS R56400) is standard due to its high tensile strength (minimum 895 MPa) and heat-treatable matrix. For chemical immersion, plating racks, or pure electrolytic resistance in Aragon’s chemical plants, Grade 2 (UNS R50400) is preferred because of its exceptional ductility, formability, and superior resistance in oxidizing chemical baths. For severe hydrochloric or sulfuric acid conditions, palladium-alloyed Grade 7 (Ti-0.15Pd) is available upon request.
How does Jovzi ensure thread accuracy and compatibility with European metric equipment?
All Jovzi DIN 912 / ISO 4762 bolts are produced to standard Metric ISO 965-2 coarse tolerance class 6g (or precision 4h6h upon request). Every production lot undergoes dimensional verification via digital optical comparators and hardened GO/NO-GO thread ring gages before leaving the factory. Pitch diameters match European standard tapped holes precisely.
What are the standard delivery lead times and customs handling for Aragon / Spain?
Standard stock items (M3 to M16 in Grade 5) ship within 48 to 72 hours, reaching Zaragoza via door-to-door courier (DDP terms via air express) within 5 to 8 working days. Custom CNC fabrications or non-standard thread lengths generally require 15 to 25 production days. We handle export documentation, EUR invoice requirements, TARIC/HS code classification (7318.15 / 8108.90), and phytosanitary-compliant wooden crate export packaging.
Can Jovzi supply complete EN 10204 3.1 material test certificates?
Yes. Every shipment is accompanied by a genuine EN 10204 3.1 inspection certificate outlining the specific melt heat number, chemical spectrographic analysis (Ti, Al, V, Fe, C, N, H, O content), tensile strength, 0.2% offset yield strength, percentage elongation, and hardness test values. Third-party testing via the national BaoTi Test Center is provided on customer request.
What is your minimum order quantity (MOQ) for standard and custom bolts?
For standard off-the-shelf DIN 912 titanium bolts, our MOQ starts at just 100 to 200 pieces, enabling engineering workshops and design departments in Zaragoza to run functional prototypes without heavy capital expenditure. For completely custom parts made to engineering drawings, the MOQ is determined based on raw bar stock cutting diameter and machining cycle times.
How do you prevent thread galling when installing titanium bolts into aluminum or steel?
Titanium has a natural oxide film that can cause micro-welding (galling) under high torque. We recommend applying anti-seize lubricants (copper-free, nickel-based, or synthetic MoS₂ compounds). Alternatively, Jovzi provides factory-applied surface treatments including micro-arc oxidation (MAO), Type II anodizing, and titanium nitride (TiN) physical vapor deposition that creates a hardened barrier, reducing the friction coefficient to under 0.12.
Connect With Our Titanium Fastener Engineers
Whether you require standard DIN 912 Grade 5 bolts for automotive subassemblies in Zaragoza, custom hydrogen-grade Grade 7 fasteners for the Ebro Valley, or full traceable mill runs, Jovzi delivers verified aerospace-grade precision directly from Baoji.