Electroplating
Gr2 Anodising Titanium Basket With PP Anode Bags
- Material: CP Grade 2 (UNS R50400)
- Application: Chemical Anodizing Baths
- Weld Integrity: Argon-Shielded TIG
2006
Established in Titanium Valley
100+ Tons
Annual Melting & Forging Output
EN 10204 3.1
BaoTi Tested Traceable Heat Certification
≤ 8 Hours
Technical Engineering Consultation
Engineered Metallurgy Collection
High-Performance Titanium Materials & Forged Components
Manufactured to ASTM B381, ASTM B348, and ASTM B363 specifications. Every critical component undergoes non-destructive ultrasonic and hydrostatic evaluation prior to factory dispatch.
Medical Grade
Medical Titanium Block Gr5 ELI Gr23 Disc
- Standard: ASTM F136 / ISO 5832-3
- Microstructure: Equiaxed Alpha-Beta
- Purity: Interstitial Oxygen ≤ 0.13%
Piping & Motorsport
Gr1 GR2 GR5 GR9 Titanium Pipe Tube Exhaust
- Standard: ASTM B338 / ASTM B861
- Configuration: Seamless & Welded Cold Drawn
- Wall Thickness: 0.8 mm – 3.5 mm
Fluid Flow Valve
Titanium & Alloy Hollow Floating Valve Ball
- Alloy: Gr2 / Gr5 / Gr12
- Sphericity: Grade V ±0.01 mm
- Pressure Rating: Class 150 – 600
Heavy Forgings
Industrial Titanium Bar, Rod & Billets
- Standard: ASTM B348 / ASME SB348
- Diameter: Ø10 mm – Ø350 mm
- Certification: 100% Ultrasonic Testing (AMS 2631)
Stock Plate
Gr2 Gr5 Ti-6Al-4V Polished Sheet & Plate
- Standard: ASTM B265 / ASME SB265
- Finish: Cold-Rolled, Bright Annealed
- Thickness: 0.5 mm – 60 mm
Smart Alloys
Super Elastic Nitinol Shape Memory Bar
- Composition: Nickel 55.8 wt% / Balance Ti
- Active Af: -10°C to +95°C Tunable
- Elastic Strain: Up to 8% Reversible
Fasteners
High Quality Gr5 Titanium Bolt DIN912
- Specification: DIN 912 / ISO 4762
- Tensile Strength: ≥ 950 MPa (Thread Rolled)
- Sizing: M3 – M36 Precision Machined
Technical Whitepaper
Engineering Guide: Titanium Forged Flange Manufacturing & Metallurgy
A rigorous metallurgical overview of thermo-mechanical processing, grain-boundary refinement, and anti-corrosion applications in aggressive chloride environments.
1. The Thermo-Mechanical Forging Advantage Over Plate-Cut Flanges
Industrial piping networks handling lethal toxic fluids, severe subsea hydrostatic pressures, and aggressive sour gas (H2S) environments demand superior mechanical consistency. Conventional fabrication methods frequently turn to plate-cut flanges due to lower machining lead times. However, plate cutting leaves end-grain exposure directly in line with pipe axial pressure, exposing microscopic voids and promoting laminar tearing along rolled slip planes.
At our Baoji forging facility, OEM/ODM Titanium Flanges are produced through true closed-die and open-die rotary radial forging from double-melted (VAR - Vacuum Arc Remelted) or triple-melted sponge ingots. During plastic deformation under high-tonnage hydraulic forging presses, the alpha-beta grain morphology is aligned unbroken along the external contour and neck geometry of the flange. This continuous grain contouring eliminates structural stress-raisers, enhances impact toughness at cryogenic thresholds, and provides superior radial burst resistance up to Class 2500 and API 10,000 PSI service environments.
Key Metallurgical Rule: Forging ratios exceeding 3:1 are maintained across all our billet stock prior to ring rolling or die upsetting. This guarantees complete homogenization of dendritic cast structures, eliminates center-line porosity, and ensures isotropic mechanical properties in both longitudinal and transverse orientations.
2. Material Selection: Matching Titanium Alloys to Chemical Process Media
Selecting the appropriate grade of titanium for forged blind, weld neck, slip-on, and lap-joint flanges balances thermodynamic economics with equipment lifecycle longevity:
| Grade Designation | UNS Code | Tensile Strength (Min) | Yield Strength (0.2%) | Optimum Process Environment |
|---|---|---|---|---|
| Grade 1 (CP Ti) | R50250 | 240 MPa | 170 MPa | Highest ductility, explosive bonding linings, deep-drawing plate applications. |
| Grade 2 (CP Ti) | R50400 | 345 MPa | 275 MPa | Workhorse chemical process material: seawater desalination, wet chlorine, nitric acid. |
| Grade 5 (Ti-6Al-4V) | R56400 | 895 MPa | 828 MPa | Deep-sea subsea manifolds, offshore risers, aerospace structural pressure rings. |
| Grade 7 (Ti-0.15Pd) | R52400 | 345 MPa | 275 MPa | Extreme reducing acids (HCl, H2SO4), aggressive crevice corrosion in hot brine. |
| Grade 12 (Ti-Mo-Ni) | R53400 | 483 MPa | 345 MPa | Elevated temperature chlorides (up to 300°C) where pitting attack must be mitigated. |
3. Future Procurement Trends in the Global Titanium Flange Supply Chain
Procurement directors and EPC engineering teams face dynamic geopolitical and supply chain shifts. Three decisive trends define next-generation titanium flange sourcing:
A. Demand for Total Traceability and ESG Verification: Leading engineering contractors (Fluor, Technip, Saipem) now mandate complete raw sponge-to-machined component traceability. Jovzi guarantees that every forged flange is delivered with full EN 10204 3.1 mill test certificates, documenting chemical composition down to single-digit ppm interstitial elements (Carbon, Hydrogen, Oxygen, Nitrogen, and Iron), complete with dual-certified ultrasonic test reports in adherence to ASTM B381 and AMS 2631 Class A/AA.
B. Near-Net-Shape Forging to Counter Soaring Raw Material Waste: Titanium remains an energy-intensive material. Traditional subtractive manufacturing from thick plate or heavy billet yields scrap ratios as high as 70%. Modern procurement strategies favor factories with in-house precise ring rolling and closed-die forging setups that produce near-net-shape blanks, compressing cycle times and reducing raw material input costs by up to 28%.
C. Growth in Palladium-Conserving Substitutes (Grade 12 vs. Grade 7): Driven by fluctuations in precious metal costs, industrial chemical plants are transitioning low-to-medium risk brine piping from palladium-alloyed Grade 7 to molybdenum-nickel modified Grade 12. This delivers robust resistance against crevice cracking at temperatures above 100°C without the palladium surcharge.
4. Technological Trajectories: Digitalization, Smart Heat Treatment & Surface Passivation
The manufacturing paradigm of titanium industrial flanges is evolving beyond basic machining toward tightly managed metallurgical crystallization. Automated gas-fired and electric atmosphere vacuum furnaces prevent oxygen embrittlement (“alpha-case” formation) during billet pre-heating. Advanced CNC multi-axis machining centers execute simultaneous spiral-groove serrations (phonographic and concentric finishes conforming to ASME B16.5 surface roughness specs of Ra 3.2 to 6.3 µm) to achieve flawless gasket seating.
Moreover, ultrasonic non-destructive testing (NDT), dye-penetrant inspection (DPI), and positive material identification (PMI) through X-ray fluorescence (XRF) spectroscopy have become integrated steps on the shop floor, removing the vulnerability of human error and guaranteeing zero defective parts in mission-critical installations.
Enterprise Strengths
Why Tier-1 Industrial Clients Trust Jovzi Titanium
Rooted in China's Titanium Valley (Baoji), we combine raw material resource control, deep metallurgy expertise, and international trade governance to serve demanding markets across Europe, the Americas, and Southeast Asia.
Titanium Valley Origin
Headquartered in Baoji, Shaanxi since 2006. We operate at the center of China's titanium supply cluster, securing top-tier 0A sponge titanium directly from primary smelters at stabilized costs.
In-House Senior Engineers
Our staff of 4 senior metallurgical engineers and 5 intermediate engineering specialists supervise all thermo-mechanical deformation, crystal grain controls, and custom drawing translations.
Independent Lab Verification
In addition to our factory testing, third-party chemical and mechanical verification reports issued by the authoritative BaoTi Test Center are standard with our mill documentation.
Global Export Excellence
Exporting to Germany, USA, Japan, Canada, and beyond for 19+ years. Seamless Incoterms execution (FOB, CIF, DDP, DAP) with customized anti-scratch maritime packaging.
Procurement FAQ
Frequently Asked Questions by Industrial Sourcing Teams
Clear, direct answers regarding tolerances, material testing certificates, minimum order quantities, and OEM manufacturing agreements.
Which international manufacturing standards do your forged titanium flanges conform to?
Our titanium flanges are manufactured strictly in accordance with ASME B16.5 (Pipe Flanges and Flanged Fittings), ASME B16.47 (Large Diameter Steel Flanges), ASME B16.48 (Spectacle Blinds), DIN 2501, EN 1092-1 Type 01/11, and HG/T 20592. The raw forgings strictly meet ASTM B381 and ASME SB381 specifications for grades F1, F2, F5, F7, and F12.
How do you eliminate the risk of interstitial contamination and 'alpha-case' during forging?
Titanium has a high affinity for oxygen, nitrogen, and hydrogen at temperatures above 450°C. We utilize micro-processor controlled preheating furnaces with tight atmosphere controls. In addition, all forgings undergo precision post-forge conditioning including mechanical scalping, sand-blasting, and pickling in an engineered HF-HNO3 acid bath to ensure 100% removal of any surface oxygen-enriched alpha-case layer before final CNC machining.
What documents accompany a typical Jovzi titanium flange shipment?
Each delivery includes a complete documentation binder: EN 10204 3.1 Inspection Certificate containing actual melt heat numbers, wet-chemical analysis, mechanical tensile and yield results, Charpy impact data (when specified), dimensional inspection protocols, 100% ultrasonic test certificates (UT), and an independent third-party verification report from the BaoTi Test Center upon request.
Can Jovzi execute custom OEM/ODM configurations according to engineering drawings?
Yes. With more than 6 years of specialized OEM manufacturing and buyer-label agreements, our CNC machine shop routinely executes non-standard diameters (up to OD 2500 mm), custom bevel profiles, RTJ (Ring Type Joint) groove designs, and engineered thickness flanges from buyer STEP, DWG, and PDF blueprints.
What is your typical lead time and Minimum Order Quantity (MOQ)?
For standard ASME B16.5 Grade 2 and Grade 5 flanges in Class 150 to Class 300, our MOQ begins at just 1 piece to facilitate prototyping and emergency maintenance replacements. Custom forgings and large-diameter rings start from 1 to 5 pieces depending on billet diameter. Standard lead times range from 7 to 10 working days for stocked forgings, and 20 to 25 days for custom forged melts.
Which payment structures and international logistics terms are supported?
We provide flexible terms for established buyers: T/T, Irrevocable L/C at sight, Western Union, and Escrow. Multi-currency settlement is supported in USD, EUR, AUD, HKD, and CNY. Shipments can be booked under FOB, CFR, CIF, EXW, CIP, FCA, CPT, and door-to-door DDP/DDU arrangements with export wooden crate packaging.
Initiate Your Engineering Quote with Jovzi Technical Team
Send your dimensional drawings, required alloy grade, pressure class, and target destination. Our metallurgical specialists review all parameters and respond within 8 business hours with transparent pricing and factory inspection plans.
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