Manufactured to aerospace, clinical medical, and advanced process engineering tolerances. Direct factory shipments from Baoji, Shaanxi, China.
An in-depth metallurgical analysis to verify ingot integrity, structural phases, and mechanical reliability when buying wholesale titanium bar products.
Qualified titanium round bars must begin with premium Grade 0 or 0A vacuum-reduced sponge titanium. Our production relies on double or triple Vacuum Arc Remelting (VAR) or Plasma Arc Melting (PAM) furnaces to eliminate high-density inclusions (HDI) and low-density inclusions (LDI). Vacuum degassing guarantees dissolved hydrogen content remains strictly under 0.0125% (≤ 125 ppm).
For aerospace AMS 4928 and medical ASTM F136 bars, forging temperature control is vital. Hot deformation carried out in the alpha-beta field produces a finely dispersed equiaxed globular alpha matrix with intergranular beta, avoiding brittle acicular Widmanstätten structures. This fine grain structure ensures exceptional low-cycle fatigue limits and high impact energy absorption.
Every industrial, medical, and racing bar undergoes multi-channel automated Ultrasonic Testing (UT Class AA / A) per AMS 2631 or ASTM E2375. Centerline segregation, pipe defects, and porosities are identified before shipment. Precision peelers, centerless grinding, and polishing maintain h7, h8, and h9 outer diameter tolerances with mirror finishes (≤ Ra 0.4 μm).
| Titanium Grade | UNS / Chemical Spec | Tensile Strength (Rm) | Yield Strength (Rp0.2) | Elongation (A%) | Recommended Industrial Scope |
|---|---|---|---|---|---|
| Gr1 (CP Titanium) | UNS R50250 (High Purity) | ≥ 240 MPa | ≥ 170 MPa | ≥ 24% | Plate-fin heat exchangers, deep-drawn chemical shells, electroplating baskets |
| Gr2 (CP Titanium) | UNS R50400 (Workhorse CP) | ≥ 345 MPa | ≥ 275 MPa | ≥ 20% | Petrochemical pipelines, ASME B16.5 flanges, chlor-alkali valves, reactor housings |
| Gr5 (Ti-6Al-4V) | UNS R56400 (α+β Alloy) | ≥ 895 MPa | ≥ 828 MPa | ≥ 10% | Motorsport fasteners, DIN 912 bolts, aerospace structural pins, marine drive shafts |
| Gr5 ELI (Gr23) | UNS R56401 (Extra Low Interstitial) | ≥ 860 MPa | ≥ 795 MPa | ≥ 10% | ASTM F136 orthopaedic implants, dental CAD/CAM discs, surgical bone screws |
| Gr7 (Ti-0.15Pd) | UNS R52400 (Palladium Stabilized) | ≥ 345 MPa | ≥ 275 MPa | ≥ 20% | Boiling hydrochloric and sulfuric acid processes, aggressive brine pumps, high-pressure tubing |
Understanding shifting pricing dynamics, environmental compliance, and regional supply consolidation across Chinese manufacturing hubs.
Escalating sponge titanium energy demands are accelerating the adoption of clean electron-beam cold hearth melting (EBCHM). Leading Chinese mills are integrating internal scrap recycling lines for machine-shop turnings and solid off-cuts. This development is giving volume buyers up to a 12% to 18% cost edge while satisfying stringent Scope 3 carbon footprint criteria in Western corporate mandates.
Procurement teams are shifting away from rough-forged mill bars to near-net, pre-turned, precision-cut billets with pre-chamfered ends and tight weight-indexing tolerances. By cutting shipping tonnage, handling overhead, and local turning cycles, international distributors can convert titanium rods into finished flanges, engine valves, and surgical fittings in fewer machine steps.
Regulatory scrutiny under EU MDR (Medical Device Regulation) and civil aviation frameworks has made unverified paper test certificates unacceptable. Modern procurement contracts require digital, QR-verified EN 10204 3.1 Mill Test Certificates, heat-stamped laser engravings, and independent mechanical test dossiers issued by ILAC-accredited laboratories like the BaoTi Test Center.
How powder metallurgy, advanced surface treatments, and specialized alloys are expanding titanium rod applications.
Through Equal-Channel Angular Pressing (ECAP) and multi-directional low-temperature forging, engineers can refine alpha-titanium grain sizes below 1 micron. This produces medical CP Grade 4 and Ti-6Al-4V ELI rods with yield strengths rivaling heavy cobalt-chromium alloys, while preserving natural biocompatibility and osseointegration rates.
Additive manufacturing using Selective Laser Melting (SLM) and Electron Beam Melting (EBM) requires precision wire and bar feedstocks. Jovzi produces tight-tolerance Grade 5 ELI and Grade 23 rods formulated with low oxygen pick-up (≤ 0.10% O) specifically for electrode induction gas atomization (EIGA), providing the baseline for high-sphericity medical and aerospace powders.
Titanium can be prone to adhesive galling when mated under high torque. Next-generation titanium bar components and custom turned fasteners now incorporate functional surface treatments—including plasma electrolytic oxidation (PEO), thermal diffusion oxidation (TDO), and physical vapor deposition (PVD) titanium nitride (TiN) coatings—delivering surface hardnesses exceeding 65 HRC.
Direct technical answers addressing minimum order volumes, dimensional verification, testing regimes, and overseas shipping logistics.
Every production heat undergoes wet chemical spectrometry alongside Inert Gas Fusion (IGF) analysis for hydrogen, oxygen, and nitrogen. We operate within tighter limits than ASTM B348 defaults (e.g., maintaining Gr5 hydrogen below 0.008% and oxygen under 0.18%). Chemical data is recorded across the top, middle, and bottom of the forged ingot and reported on the EN 10204 3.1 inspection sheet.
For standard warehouse stock (Grade 2 and Grade 5 bars from Ø 6 mm to Ø 150 mm), our MOQ begins at just 1 kg with dispatch within 48 to 72 hours. Custom rotary swaged rods, specialized medical diameters (such as Ø 98 mm dental discs), or precision ground bars require a typical batch MOQ of 20 kg to 50 kg, with a production window of 15 to 25 working days.
Yes. Jovzi works directly alongside the authorized BaoTi Test Center (National Titanium Product Quality Supervision & Inspection Center) and SGS/TÜV Rheinland. We can provide independent third-party testing covering Room-Temperature Tensile, Elevated-Temperature Tensile, Charpy V-Notch Impact, and Micrographic Alpha-Case inspections per customer quality plans.
Precision-turned titanium bars are cleaned, wrapped in moisture-resistant vapor-corrosion inhibitor (VCI) paper or individual protective poly sleeves, separated with corrugated dividers, and securely packed inside steel-strapped, ISPM-15 compliant export fumigation-free wooden cases. Internal blocking prevents shifting during rough maritime crossings.
Grade 2 is ductile and prone to built-up edge (BUE) formation, requiring positive rake angles, polished chip breakers, and flood lubrication. Grade 5 has lower thermal conductivity (7.2 W/m·K) and work-hardens quickly. It demands rigid setups, sub-micron tungsten carbide tooling with TiAlN coatings, moderate cutting speeds (40–60 m/min), and high-pressure coolant delivered directly to the cutting edge.
We work under FOB Qingdao/Shanghai, CFR, CIF, CIP, EXW, and door-to-door DDP arrangements through major air-express partners (DHL, FedEx, UPS). Financial settlements are handled via T/T, Irrevocable Letters of Credit (L/C at sight), PayPal, Western Union, and multi-currency bank accounts accepting USD, EUR, AUD, HKD, and CNY.
Deep supply chain roots in Baoji, Shaanxi, backed by precision equipment, experienced metallurgists, and verifiable global trade track records.
Founded in 2006 at the core of China's primary non-ferrous manufacturing cluster, Jovzi leverages integrated sponge refining, high-tonnage forging presses, and specialized regional heat-treating furnaces.
Our technical team includes 4 senior metallurgists and 5 intermediate engineers with decades of experience in titanium forging, phase transformation, thread rolling, and CNC milling.
Over 80% to 90% of our annual production ships to overseas markets including Germany, the United States, Canada, Japan, Belgium, and Italy, backed by dedicated foreign trade managers.
Beyond mill bars, we provide turnkey machining: laser cutting, centerless grinding, PVD/anodized coloration, thread cold-rolling, and 100% optical dimensional inspection on automated sorting lines.
Send your dimensional requirements, alloy grades, standard targets (ASTM/ASME/DIN), or CAD drawings. Our engineering desk provides formal quotations and DFM feedback within 8 business hours.
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