ISO 9001 Certified Titanium Manufacturer · Baoji, China · Since 2006 [email protected]
ISO 9001 Certified Mill Partner · Baoji Titanium Valley

China Best Titanium Tubing Supplier & Suppliers

Technical whitepaper, metallurgical compliance matrix, and global procurement directory for seamless, welded, and cold-worked titanium tubes engineered to ASTM B338, B861, and ASME SB338 standards.

Send an Inquiry
2006
Founded in Baoji
100+ Tons
Annual Mill Capacity
EN 10204 3.1
BaoTi Tested Traceability
≤ 8 Hours
Rapid Technical RFQ
Engineered Inventory

Precision Titanium Tubing, Assemblies & Structural Components

Direct factory supply directly mapped to mechanical integrity requirements in aerospace cooling lines, chemical heat exchangers, marine subsea loops, and high-performance exhaust architectures.

Plating / Shaft Anodizing Gr2 Titanium Shaft with Copper Hook for Plating

Anodizing Gr2 Titanium Shaft with Copper Hook for Plating

  • Grade: CP Grade 2 Titanium
  • Core Feature: High Electrical Conductivity Hook
  • Resistance: Acid Bath & Chromic Resistance
Send an Inquiry
Thin Precision Hot sell thin titanium fishing rods price per kg

Hot sell thin titanium fishing rods price per kg

  • Profile: Ultra-Thin Precision Hollow/Solid
  • Flexural: High Elastic Modulus Ratio
  • Pricing: Direct Mill Tier Per KG
Send an Inquiry
Anodizing Disk Gr2 Titanium 30 Split Fingers Disk Rack Dia220mm Thick1.5mm for Anodizing

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

  • Dimension: Dia 220mm × Thick 1.5mm
  • Fingers: 30 Precision Split Fingers
  • Use Case: Surface Treatment & Hardcoat
Send an Inquiry
Raw Forging Titanium bar rod billets price per kg for industrial

Titanium bar rod billets price per kg for industrial

  • Processing: VOD / VAR Ingot Forging Stock
  • Standards: ASTM B348 / ASME SB348
  • Uniformity: Equiaxed Alpha-Beta Microstructure
Send an Inquiry
Chemical Plant Gr2 Titanium Anode Basket Electroplating 5x10 6x12mm for Chemical Industry

Gr2 Titanium Anode Basket Electroplating 5x10 6x12mm

  • Mesh Dimensions: 5×10mm / 6×12mm Expanded
  • Construction: TIG Micro-Seam Welded
  • Durability: Non-deforming Under Acidic Slurry
Send an Inquiry
Memory Alloy Nitinol Wire Shape Memory Alloy Superelastic Niti Wires 0.45 0.5 0.55MM

Nitinol Wire Shape Memory Alloy Superelastic Niti Wires

  • Diameters: 0.45mm / 0.50mm / 0.55mm
  • Transformation: Superelastic Af Controlled
  • Applications: Medical Guides, Actuators & Stents
Send an Inquiry
High Strength ASTMB348 GR5 Titanium Bar Tod Dia100mm Best Price High Quality

ASTMB348 GR5 Titanium Bar Rod Dia100mm Best Price

  • Grade: Ti-6Al-4V (Grade 5 / Grade 23 ELI)
  • Tensile Strength: ≥ 895 MPa
  • Surface: Centerless Turned / Peeling Class h9
Send an Inquiry
Valves & Piping Titanium Flange Ball Valve 150 LB 300 LB Water Oil Gas Flange Ends

Titanium Flange Ball Valve 150 LB 300 LB Flange Ends

  • Pressure Rating: Class 150 / 300 ASME B16.34
  • Media: Offshore Seawater, Wet Chlorine, Acid
  • Port Style: Full Port Floating / Trunnion
Send an Inquiry
Engineering Authority

Metallurgical Guide: Specifying Titanium Tubing for Severe Environments

Titanium tubing represents the benchmark in modern process engineering, balancing a low density of 4.51 g/cm³ with an inert, self-regenerating titanium dioxide (TiO2) passive layer. Sourcing from certified Chinese manufacturers requires clear alignment between alloy chemistry, cold deformation steps, and post-annealing grain boundary stability.

Grade / UNS Metallurgical Class Standard Specs Yield Strength (Min) Tensile Strength (Min) Primary Industrial Application
Gr 1 (R50250) Commercially Pure Alpha ASTM B338 / ASME SB338 170 MPa (25 ksi) 240 MPa (35 ksi) Deep-drawn heat exchanger plates, fine-wall tubing, cryogenic lines.
Gr 2 (R50400) Commercially Pure Alpha ASTM B338 / ASTM B861 275 MPa (40 ksi) 345 MPa (50 ksi) Workhorse grade: Seawater condensers, chemical piping, automotive exhaust.
Gr 5 (R56400) Alpha-Beta (Ti-6Al-4V) ASTM B861 / AMS 4928 828 MPa (120 ksi) 895 MPa (130 ksi) High-pressure hydraulic circuits, aerospace structural tubing, motorsport shafts.
Gr 7 (R52400) Alpha + 0.15% Palladium ASTM B338 / ASTM B862 275 MPa (40 ksi) 345 MPa (50 ksi) Critical reduction acids (HCl, H2SO4), crevice corrosion zones, pulp processing.
Gr 9 (R56320) Near-Alpha (Ti-3Al-2.5V) AMS 4943 / ASTM B338 483 MPa (70 ksi) 620 MPa (90 ksi) Aerospace high-pressure fuel lines, high-end bicycle frames, subsea umbilicals.
Gr 12 (R53400) Near-Alpha (Ti-0.3Mo-0.8Ni) ASTM B338 / ASTM B861 345 MPa (50 ksi) 483 MPa (70 ksi) Elevated temperature chloride brines, geothermal re-injection pipelines.

Seamless (ASTM B861) vs. Welded & Drawn (ASTM B338) Tubing Mechanics

Procurement teams frequently encounter cost differentials between seamless and longitudinally welded titanium tubes. Seamless tubing begins with vacuum-arc remelted (VAR) billets drilled and pilgered through multi-stage cold reduction. It offers superior hoop strength uniformity, eliminating heat-affected zone (HAZ) variances, which makes it ideal for dynamic pulsation in subsea oil manifolds and aerospace hydraulic actuators.

Conversely, automated high-frequency plasma/TIG welded tubing manufactured to ASTM B338 from cold-rolled coiled strip delivers exceptional concentricity and uniform wall thickness tolerances. When subjected to 100% Eddy Current and Ultrasonic testing (UT) with post-weld inert gas continuous annealing, modern welded titanium tubes match seamless burst pressures while delivering dramatic cost efficiencies in large-diameter shell-and-tube heat exchangers.

Critical Verification Milestones for Tubing Procurement

  • Microstructural Grain Size: ASTM E112 verification ensuring equiaxed alpha grain rating of Grade 7 or finer after final vacuum recrystallization.
  • Flaring & Flattening Verification: Tube samples flared to 60° without cracking along both the parent metal and longitudinal weld seams per ASTM A370.
  • Pneumatic & Hydrostatic Limits: Hydrostatic pressures calculated per P = 2St/D, guaranteeing minimum 100% hoop stress verification before shipping.
  • Atmospheric Contamination Prevention: Interstitial gas containment (Oxygen ≤ 0.25%, Nitrogen ≤ 0.03%, Hydrogen ≤ 0.015%) to prevent metallurgical embrittlement.
Strategic Procurement

Future Procurement Trends in the Global Titanium Tubing Supply Chain

The geopolitical and technological landscape of refractory alloy procurement is shifting rapidly. Leading procurement directors in EPC contracting, maritime engineering, and industrial processing are abandoning spot-market transactional buying in favor of structured supply partnerships rooted in total cost of ownership (TCO).

Life-Cycle Costing Overrides Initial CAPEX

While titanium mill products require higher initial outlay than Super Duplex 2507 or Cu-Ni 90/10, severe chemical and offshore operations yield a 0.00 mm/year corrosion rate. Systems engineered with Grade 2 or Grade 7 titanium tubes eliminate biocide chemical injection costs, scheduled tubing turnarounds, and catastrophic shutdown risks, amortizing full capital expenditures within 36 to 48 operational months.

Tier-1 Cluster Localization in Baoji Valley

Global industrial supply lines are moving away from fragmented trading intermediaries. Securing allocations directly from integrated mills located in Baoji, China's Titanium Valley, grants engineering buyers direct access to localized electron-beam cold hearth melting (EBCHM), in-house rotary piercers, and accredited testing laboratories like the BaoTi Test Center, condensing lead times by 35%.

EN 10204 3.1 Digital Traceability & ESG Audits

Tier-1 multinational engineering projects now mandate cryptographically verified, heat-traceable Mill Test Certificates (MTC). Procurement frameworks heavily prioritize mills adhering to lower carbon-intensity sponge smelting, zero-discharge pickling operations, and certified scrap-recycling closed-loop pipelines compliant with global ESG disclosure directives.

Innovation Pipeline

Technological Evolutions in Titanium Tubing Manufacturing

Breakthroughs in metallurgical forming, thermomechanical processing, and nondestructive validation are expanding the envelope of what titanium tubular products can withstand under high pressure, cryogenic chilling, and cyclic fatigue.

Ultra-Precision Cold Pilgering & Surface Passivation

Modern tube manufacturing has transitioned from conventional draw-bench techniques to computerized dynamic cold pilgering. Pilgering compresses the hollow tube over a tapered internal mandrel using reciprocating shaped dies. This process achieves wall thickness tolerances down to ±0.03 mm while simultaneously refining the alpha-phase crystal orientation into an axially aligned, fatigue-resistant grain structure.

Concurrently, automated inert vacuum bright annealing furnaces operating at 10⁻⁴ torr eliminate any possibility of hydrogen embrittlement or surface alpha-casing. Final electrochemical polishing provides an inner diameter (ID) roughness below Ra 0.2 µm, critical for high-purity semiconductor gas transport and pharmaceutical chromatography columns.

Key Emerging Production Vectors

  • Continuous Laser Hybrid Seam Welding: Integrating fiber-laser sources with automated argon-shielded trailing shoes to narrow HAZ zones by 45% compared to classical GTAW/TIG processes.
  • High-Temperature Beta-Alloy Formulations: Developing modified Ti-Al-Nb-Zr tubular alloys that withstand sustained thermal exposure up to 600°C in aerospace jet thrust reversers.
  • Multi-Frequency In-Line NDT Arrays: Automated simultaneous testing stations combining multi-channel ultrasonic flaw detection (UT) with differential eddy current (ECT) for instant detection of micro-voids under 0.05 mm.

Thin-Wall Hydroforming

Advancements in internal hydraulic calibration permit complex thin-wall tubular manifolds (wall thicknesses down to 0.5 mm) for motorsport exhaust downpipes and aerospace ducting without internal buckling or ovality deformation.

Superelastic NiTi Tubing

Leveraging specialized shape-memory metallurgy (55.8 wt% Ni balance Ti), micro-bore Nitinol tubing enables self-expanding vascular peripheral stents, minimally invasive steerable catheters, and robotic end-effectors.

Subsea Clad Bimetallic Pipes

Explosive bonding and roll-cladding Grade 2 titanium inner linings onto carbon steel API-5L X65 backing pipes create cost-effective deepwater risers capable of handling high-pressure sour gas (H2S and CO2) under 10,000+ psi.

Manufacturing Provenance

Why Jovzi Titanium Industry Is China's Preferred Supply Partner

Headquartered in Baoji, China's Titanium Valley, Jovzi Titanium Industry Co., Ltd. combines advanced manufacturing facilities, rigorous metallurgical supervision, and end-to-end export logistics trusted by global distributors and engineering firms across Europe, North America, and Asia.

Heart of China's Titanium Hub

Established in 2006 in the Gaoya Industrial Zone, Baoji, Jovzi benefits from immediate access to pure sponge smelting, specialized rolling mills, and national infrastructure. Over 80% of our production volume serves demanding international markets through streamlined customs protocols.

Senior Metallurgical Engineering Team

Our quality management is driven by 4 senior research-grade engineers and 5 intermediate metallurgical specialists. Every production run undergoes rigorous scrutiny: ingot VAR chemistry tracking, deformation ratio controls, and precise heat-treatment scheduling designed to prevent micro-structural segregation.

Independent BaoTi Test Center Certification

Beyond our in-house ISO 9001 quality lab checks, we supply independent third-party physical and chemical verification certificates issued by the state-authorized BaoTi Test Center. EN 10204 3.1 inspection reports are standard with every export batch.

Turnkey Pre-Fabrication & Machining

We do not just ship straight lengths. Jovzi features complete CNC turning, automatic bending, flange stub welding, expanded basket fabrication, and anodizing lines, offering pre-fabricated tube spools ready for jobsite installation with minimal field fit-up time.

Seaworthy Crating & Surface Protection

Tubing surface purity is vital. All thin-wall and seamless tubes receive end-capping, individual PE sleeve wrapping, desiccants, and heavy-duty ISPM-15 compliant export wooden crates to eliminate transit micro-scratches, ovalization, or maritime humidity corrosion.

Flexible Incoterms & 8-Hour Response

Our bilingual engineering trade desk reviews technical drawings, dimensional tolerances, and material specifications, providing formal engineering quotes within 8 business hours across FOB, CIF, CFR, DDP, and multimodal express options.

Procurement Intelligence

Frequently Asked Questions on Titanium Tubing Procurement

Answers to technical, metallurgical, and logistics inquiries commonly raised by procurement managers, process engineers, and sourcing specialists.

What are the key manufacturing differences between ASTM B338 and ASTM B861?
ASTM B338 specifically covers both seamless and welded titanium and titanium alloy tubes designed for surface condensers, evaporators, and heat exchangers. This standard places strict limits on flaring, flattening, and pneumatic/hydrostatic leak integrity. In contrast, ASTM B861 covers general service seamless titanium and titanium alloy pipe intended for fluid transmission lines and structural duty, allowing heavier nominal wall thicknesses (Schedule 10S to Schedule 80S) and altered testing criteria reflecting fluid piping versus thermal exchange surfaces.
How does Jovzi prevent hydrogen embrittlement and interstitial pick-up during tube production?
Titanium reacts aggressively with atmospheric gases (oxygen, nitrogen, and hydrogen) at temperatures above 400°C. Jovzi performs all intermediate and final heat treatments within ultra-high-vacuum cold-wall annealing furnaces maintaining pressures below 10⁻⁴ torr. Acid pickling mixtures (HNO3 to HF) are precisely balanced with nitric acid inhibitors to prevent hydrogen charging into the titanium lattice, with final vacuum thermal desorption testing ensuring hydrogen levels stay well below the 150 ppm (0.015%) ASTM threshold.
What nondestructive testing (NDT) regimens are performed on each batch?
Every production lot undergoes 100% nondestructive verification. For thin-wall heat exchanger tubing, we perform automated continuous encircling-coil Eddy Current Testing (ECT) per ASTM E426 to detect surface and sub-surface longitudinal imperfections. For heavy-wall or seamless pipes, full-body immersion Ultrasonic Testing (UT) per ASTM E213 is applied. Furthermore, each individual tube undergoes either hydrostatic pressure testing at 100% specified yield stress or continuous underwater pneumatic testing at 150 psi with no bubble loss.
Can Jovzi achieve tight dimensional tolerances for aerospace or motorsport applications?
Yes. While ASTM B338 specifies standard commercial tolerances, Jovzi routinely supplies custom precision cold-drawn tubing conforming to AMS 4943 and AMS 4944 for aerospace and professional motorsport chassis/exhaust builders. We can hold outer diameter (OD) tolerances to ±0.05 mm and wall thickness (WT) tolerances to ±5%, maintaining ovality below 0.5% to ensure flawless automated orbital TIG welding fit-ups.
What documentation accompanies export shipments of titanium tubular goods?
Every shipment is accompanied by a certified EN 10204 Type 3.1 Mill Test Certificate (MTC). This document details the exact ingot melt number, complete chemical analysis (Ti, C, Fe, N, O, H, and alloying elements like Al, V, Pd, Mo, Ni), tensile test data (Yield, Ultimate Tensile Strength, Elongation), flaring/flattening test confirmations, non-destructive testing logs, and heat-treatment timestamps. On request, supplementary third-party testing reports from the independent BaoTi Test Center are included.
What are the minimum order quantities (MOQ) and production lead times?
For warehouse stock sizes (such as common OD 25.4mm, 38.1mm, 50.8mm, 76.2mm Grade 2 and Grade 5 tubing), our MOQ starts at just 1 piece or 1 kg, dispatching within 48 to 72 hours. For bespoke custom mill production runs (non-standard diameters, thin walls below 0.7 mm, or exotic Grade 7/Grade 12 alloys), our standard production MOQ is typically 50 to 100 kg, with a rapid mill production turnaround of 15 to 25 business days.
How should field welders prepare and weld titanium tubing on site?
Titanium welding requires rigorous cleanliness and atmospheric shielding. Joint preparations must be thoroughly degreased with acetone or methyl ethyl ketone (never chlorinated solvents). Gas Tungsten Arc Welding (GTAW/TIG) should be performed using high-purity 99.999% argon with a large gas cup (lens) and an auxiliary trailing shield. The interior of the tube must be fully purged with argon until the weld cools below 400°C. A shiny silver weld indicates clean gas coverage; blue, violet, or white powdery weld discoloration indicates oxygen contamination and requires joint excision.
Direct Mill Communication

Request a Factory Technical Quote for Your Tubing Specification

Connect directly with our engineering sales desk in Baoji. Supply your intended titanium grade, dimensions (OD × WT × Length), operating temperature, media chemistry, and applicable industry standard for rapid evaluation.