Which titanium grades and standards does Jovzi supply?

We supply commercially pure Gr1, Gr2 and alloyed Gr5 (Ti-6Al-4V), Gr7, Gr9 and Gr12, plus NiTi shape memory alloy. Products are made to ASTM B348, B338, B265, B381, B363, ASME B16.5, DIN 912 and AWS A5.16, or to the buyer's drawing.

Do you provide mill test certificates for titanium products?

Yes. Every shipment can be supplied with an EN 10204 3.1 mill test certificate showing heat number, chemical composition and mechanical properties. Independent test reports issued by the BaoTi Test Center are available on request.

Can you manufacture custom titanium parts to drawing?

Yes. We offer OEM and buyer-label service with more than six years of OEM experience. Send 2D or 3D drawings (PDF, DWG or STEP) with grade, tolerance, surface finish and quantity.

Which payment and delivery terms are accepted?

We accept T/T, L/C, PayPal, Western Union and Escrow, and ship under FOB, CFR, CIF, EXW, CIP, FCA, CPT, DDP, DDU or express delivery.

Baoji Jovzi Titanium · Engineering Whitepaper

Gr7 Titanium Exhaust Tubing Factories & Supplier Serving the Celje Market

Q: What is the minimum order quantity?

MOQ depends on the product: titanium bars start from 1 kg, flanges and stub ends from 1 piece or 1 kg, and standard fasteners from 100 to 200 pieces. Custom parts are quoted per drawing.

Industrial-grade Titanium-Palladium alloy tubing, precision pie cuts, and ASME/ASTM pressure components tailored for high-performance automotive fabrication and heavy chemical processors across Savinjska, Slovenia.

2006

Founded in Baoji Valley

0.12–0.25%

Controlled Palladium (Pd)

100%

EN 10204 3.1 Traceability

≤ 8h

Engineering Response Time

Excellence in Metallurgy

Featured Titanium Components & Fabrication Solutions

Direct from our Baoji production facility to European industrial distributors and fabricators. Every piece conforms strictly to ASTM, ASME, DIN, or customized customer blueprints.

Gr5 ELI / Gr23 Medical Grade Titanium Block Gr5 ELI Gr23

Medical Grade Titanium Block Gr5 ELI Gr23 Titanium Disc for Dental Implant

Extra-low interstitial Ti-6Al-4V ELI disc, ultra-clean microstructure tailored for dental prosthetics and precision medical CNC milling.

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ANSI Valve Titanium Ball Core Valve Accessories

American Standard Titanium High Pressure Ball Valve Core Various Connection Methods

High-integrity titanium ball core engineered for severe chemical fluid control and petrochemical isolation manifolds.

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Surface Treatment Customized Anodizing Gr1 Gr2 Titanium Jigs

Customized Anodizing Gr1/Gr2 Titanium Jigs for Industry Coating Colors

High-conductivity commercially pure titanium racking jigs, optimized for electrochemical coating bath resistance.

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Electrochemistry Gr2 Titanium Anode Basket Electroplating

Gr2 Titanium Anode Basket Electroplating 5x10 6x12mm for Chemical Industry

Mesh-welded titanium anode baskets providing uniform current distribution and exceptional longevity in acidic solutions.

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150LB - 300LB Titanium Flange Ball Valve

Titanium Flange Ball Valve 150 LB 300 LB Water Oil Gas Flange Ends

ASME flanged flow-control valves built from Grade 2 or Grade 7 alloy to withstand aggressive chlor-alkali and seawater systems.

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Specialty Wire Thin Titanium Rods

Hot Sell Thin Titanium Rods High Elastic Strength Price per Kg

Ultra-light, high-memory flexibility titanium drawn bars suitable for recreational engineering and technical sports apparatus.

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Precision Jig Gr2 Titanium Split Fingers Disk Rack

Gr2 Titanium 30 Split Fingers Disk Rack Dia220mm Thick1.5mm for Anodizing

Custom laser-cut and formed multi-finger circular rack for simultaneous component plating in industrial anodizing baths.

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ASTM B265

Gr2 Gr5 Ti 6al4v Polished 1mm Thickness Grade 2 Titanium Sheet in Stock

Surface-conditioned cold-rolled titanium sheets, zero surface defects, ready for stamp forming and acoustic exhaust silencer baffling.

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Metallurgical Whitepaper

Why Gr7 (Ti-0.15Pd) Outperforms Conventional Alloys in Exhaust Geometries

Grade 7 titanium (UNS R52400) represents the gold standard for high-temperature, chemically acidic condensing environments where Grade 2 and 321 stainless fail due to crevice corrosion.

Intergranular Resistance to Condensates

Exhaust systems experience cyclical thermal loading. When fuel unburn products mix with humidity during cooldown, sulfurous and nitric condensates form. The 0.12–0.25% micro-alloyed Palladium in Gr7 shifts the corrosion potential positive, completely passivating the weld root against pitting.

Severe Crevice Passivation

Slip-fit joints, pie-cut joints, and overlap slip connections are notorious for crevice failure in racing systems. Gr7 reduces crevice corrosion rates by a factor of 100x compared to CP Grade 2, allowing thinner wall profiles (0.8mm to 1.0mm) without risking mechanical wall breach.

Superior Acoustic Attenuation

Thanks to an elastic modulus of ~105 GPa, Gr7 tubing vibrates at an acoustic frequency that produces the coveted high-pitch motorsport sound while offering lower resonance fatigue across continuous 6,000–9,000 RPM track operation.

Alloy Grade	Composition (Key Elements)	Yield Strength (Rp 0.2, MPa)	Tensile Strength (Rm, MPa)	Crevice Corrosion Temp Threshold	Celje Market Suitability
Gr7 (UNS R52400)	Ti balance + 0.12–0.25% Pd	275 – 450	≥ 345	> 250°C in Acidic pH	High-End Racing Fabricators & Acid Recovery Systems
Gr2 (UNS R50400)	Commercially Pure Ti (Fe 0.30 max)	275 – 450	≥ 345	~ 80°C in Acidic Chlorides	Standard Exhaust Mid-Pipes & General Fabrication
Gr5 (Ti-6Al-4V)	Ti-6% Al - 4% V	≥ 828	≥ 895	Susceptible in Crevices > 120°C	Flanges, Turbo Manifold Bungs & Fasteners
AISI 321 Stainless	18Cr-9Ni-Ti Stiffened	≥ 205	≥ 515	~ 60°C in Severe Condensate	Legacy Heavy Exhaust Piping (High Weight Penalty)

Savinjska Regional Dynamics

Industrial & Motorsport Applications in the Celje Basin

Celje stands as Slovenia's historic metallurgical, mechanical engineering, and motorsport fabrication epicenter. Jovzi Titanium supports local manufacturing hubs with precision-calibrated mill tubing.

Localized Automotive Fabrication

Slovenia is universally recognized as the European cradle of high-performance exhaust engineering. Fabricators located throughout the Savinjska region demand flawless wall thickness uniformity (±0.05 mm), strict ovality control, and immaculate clean-cut edges to execute orbital and manual GTAW/TIG purge welds.

Pie-Cut Articulation: Custom 9° and 15° laser-cut Gr7 sections enabling tight-radius packaging under compact chassis tunnels.
Thermal Expansion Compatibility: Bellows and CNC-machined titanium flanges with expansion coefficients matched to European sports car platforms.
Lightweighting Mandates: 42% weight savings over stainless steel systems, optimizing un-sprung weight distribution for track applications.

Heavy Metallurgy & Chemical Processing

Celje's long-established chemical enterprises and industrial coating specialists encounter harsh electrolytes, chlorine dioxide, and hot sulfuric streams. Jovzi supplies seamless Gr7 pressure piping, Grade 2 anode baskets, and flanged titanium control valves built directly for Savinjska industrial facilities.

Electrochemical Coating Racks: Customized Gr1/Gr2 anodizing jigs engineered for electroplating plants in Celje's outer zones.
Acid Manifold Flanges: ASME B16.5 and DIN 2633 welding neck flanges in corrosion-resistant titanium.
Full Regulatory Alignment: Mill Test Certificates conforming to EN 10204 3.1 with chemical, tensile, and hydrostatic records for EU compliance.

Future Industry Forecast

Macro Trends Shaping Celje's Titanium Tubing Demands

How decarbonization, EV transition, and premium aftermarket manufacturing are changing titanium supply dynamics in Central Europe.

Transition to Hybrid & Lightweight ICE

Even as electric mobility rises, European sports vehicle builders are producing high-output hybrid drivetrains that operate at higher exhaust gas temperatures (EGT > 850°C), demanding the superior thermal fatigue limits of Gr7 and Gr5 over traditional 304 stainless steel.

Local Robotic Laser Welding Integration

Modern manufacturing cells in Celje are shifting to automated orbital laser and multi-axis welding. This demands razor-thin tube wall consistency (down to ±0.03 mm) and mirror-clean surface conditioning to prevent gas entrapment and embrittlement during rapid processing cycles.

Green Chemical Engineering Upgrades

Slovenian chemical environmental standards under European Green Deal directives require absolute zero-leakage containment in corrosive streams. Gr7 titanium ball valves and precision plate flanges represent the premier lifecycle choice over frequent stainless steel replacements.

Baoji Titanium Valley Advantage

Why Jovzi Titanium is Celje's Trusted Direct Partner

Located directly at the source in Baoji, China—the epicenter of global titanium sponge and ingot production—we guarantee raw material purity, certified consistency, and competitive factory pricing.

Established in 2006

Nearly two decades of metallurgical expertise. We employ 4 senior and 5 intermediate titanium engineers who supervise every step from sponge smelting verification to CNC final sizing.

Independent BaoTi Testing

Every single batch of our Gr7 exhaust tubing, titanium bars, and ASME flanges is backed by an EN 10204 3.1 Mill Test Certificate with third-party testing provided by the recognized BaoTi Test Center upon request.

Rapid European Logistics

Flexible Incoterms including FOB, CIF Koper, EXW, and door-to-door DDP air/sea freight to Celje. Fully export-compliant wooden crate packaging with internal poly anti-friction wrapping ensures zero transport scratching.

Procurement Insights

Celje Titanium Tubing Procurement FAQ

Clear, direct answers for Slovenian supply chain managers, motorsport fabricators, and equipment engineers.

What makes Gr7 titanium tube better than Gr2 for motorsport exhaust headers?

While Commercial Pure Grade 2 is widely utilized for aftermarket exhaust fabrication, Grade 7 contains 0.12% to 0.25% Palladium. In turbocharged header sections where exhaust temperatures oscillate severely and condensation creates acid deposits, Gr7 eliminates micro-crack nucleation and weld-seam oxidation under continuous high heat, drastically increasing exhaust longevity.

Can you supply Gr7 tubing pre-cut into pie cuts for custom exhaust fabricators in Celje?

Yes. We provide both seamless and welded Gr7 exhaust pipes in standard mill lengths (up to 6,000 mm) as well as factory-deburred 4.5°, 9°, and 15° pie cuts on 1.0D and 1.5D center line radiuses. All cuts are laser-gauged and ultrasonic-cleaned, ready for immediate TIG root pass welding with zero surface prep needed.

What are your typical shipping terms and lead times to Celje, Slovenia?

We deliver via international air couriers (DHL/FedEx/TNT) directly to workshops in Celje within 5 to 7 business days for stock sizes. For bulk commercial orders, we handle containerized ocean shipping to the Port of Koper (Slovenia) or rail-freight alternatives, offering FOB, CIF, or seamless DDP delivery right to your facility.

Are Jovzi's titanium products compliant with EU chemical and safety standards?

Absolutely. Jovzi Titanium operates under a certified ISO 9001 Quality Management System. Each shipment includes complete traceability to the original heat number, chemical composition breakdown, and mechanical test results per EN 10204 3.1 standards. Independent verification reports from the BaoTi Test Center can be included.

What is the Minimum Order Quantity (MOQ) for custom wall-thickness titanium exhaust tubing?

For standard inventory sizes (such as OD 63.5 mm / 2.5", 76 mm / 3.0", 89 mm / 3.5" with 1.0 mm or 1.2 mm wall), the MOQ is as low as 1 piece or 1 kg for testing purposes. For custom dimensional diameters or special wall configurations, our factory MOQ is usually just 20 to 50 kg per production run.

Request a Factory-Direct Gr7 Tubing Quote for Your Celje Facility

Send your pipe diameters, wall thickness criteria, or fabrication drawings to Jovzi Titanium's engineering sales team. We respond within 8 business hours with comprehensive pricing and MTC documentation.