Titanium Welding Rod Manufacturer and Supplier
Titanium Welding Rod is a straight filler metal designed for TIG welding of titanium materials. Common alloys include ERTi-2 and ERTi-5, offering excellent corrosion resistance, lightweight properties, and high strength. Compared to coiled welding wire, rods are better suited for precision welding of medium-thickness plates and structural components, with easier handling and broader adaptability.
Chalco Titanium supplies titanium welding rods compliant with ASTM B863 and AWS A5.16, supporting custom lengths and small-batch delivery to meet the demanding requirements of high-performance joints in marine, aerospace, and chemical industries.
Why Choose Chalco Titanium Welding Rods
- Ample inventory, lead time as fast as 7 days
- Complies with ASTM / AWS / ISO international standards
- Supports 914 mm, custom cutting, and small-batch mixed packaging
- Offers WPS / PQR technical documentation support
Titanium Welding Rod Specifications & Models
Titanium welding rods are available in various ERTi alloy grades, tailored to meet different welding processes and strength requirements. Chalco offers multiple diameters and packaging formats to adapt to diverse engineering environments and on-site applications.
ERTi Series Classification of Titanium Welding Rods
ERTi-1 Titanium Welding Rod
Low-oxygen commercially pure titanium with high weld ductility, ideal for ultra-clean water and semiconductor equipment.
ERTi-2 Titanium Welding Rod
Most common titanium rod, combining weldability and strength for chemical, desalination, and piping use.
ERTi-5 Titanium Welding Rod
High-strength Ti-6Al-4V rod with excellent joint stability, used in aerospace, vessels, and load-bearing parts.
ERTi-3 / ERTi-4 Titanium Welding Rod
Stronger than ERTi-2, suitable for moderate loads in medical equipment and container welding.
ERTi-7 / ERTi-12 Titanium Welding Rod
Alloyed with Pd, Ni, Mo for superior chloride/acid resistance; ideal for condensers, petrochemical, and chlorination units.
ERTi-23 Titanium Welding Rod (Ti-6Al-4V ELI)
Medical-grade ELI titanium rod with high biocompatibility, used for implants and dental prosthetics.
Dimensions & Packaging of Titanium Welding Rods
Chalco supplies titanium welding rods in multiple diameter and length combinations, supporting both standard and custom specifications for TIG welding applications.
| Parameter | Details |
|---|---|
| Diameter Range | 1.0 mm / 1.6 mm / 2.0 mm / 2.4 mm / 3.2 mm |
| Length Options | 914 mm (36 inches) / 1000 mm standard; cut-to-length: 300 mm / 500 mm |
| Packaging Options | 1 lb (0.45 kg) box / 2.5 kg canister / 5 kg vacuum-sealed aluminum pouch |
| Minimum Order | From 1 lb; supports mixed packaging and custom repacking |
| Available Documents | COA, chemical analysis, factory test reports |
| Standards | ASTM B863 / AWS A5.16 / ISO 24034 |
| Certifications | ISO 9001 / AS9100 (for aerospace applications) |
Technical Specifications & International Standards
All Chalco titanium welding rods are manufactured and tested in compliance with internationally recognized standards and certifications.
Applicable Standards & Certifications
- ASTM B863: Specification for Titanium and Titanium-Alloy Welding Wire
- AWS A5.16: Specification for Titanium and Titanium-Alloy Bare Welding Electrodes and Rods
- ISO 24034: International equivalent for titanium welding consumables (EU standard available upon request)
Typical Chemical Composition
| Alloy Grade | Ti | Al | V | Fe | O | Pd / Ni / Mo | Notes |
|---|---|---|---|---|---|---|---|
| ERTi-1 | Balance | — | — | ≤0.2 | ≤0.18 | — | Commercially pure titanium with excellent corrosion resistance |
| ERTi-2 | Balance | — | — | ≤0.3 | ≤0.25 | — | General-purpose alloy for standard welding needs |
| ERTi-5 | Balance | 5.5–6.75 | 3.5–4.5 | ≤0.3 | ≤0.2 | — | High-strength Ti-6Al-4V alloy |
| ERTi-7 | Balance | — | — | ≤0.3 | ≤0.25 | Pd 0.12–0.25 | Enhanced resistance to chloride corrosion |
| ERTi-12 | Balance | — | — | ≤0.3 | ≤0.25 | Ni + Mo ≤1.2 | Designed for thermal chlorination environments |
Need alloy matching guidance or custom analysis? Contact Us
Typical Mechanical Properties
| Alloy Grade | Tensile Strength Rm (MPa) | Yield Strength Rp0.2 (MPa) | Elongation A (%) | Notes |
|---|---|---|---|---|
| ERTi-1 | ≥275 | ≥170 | ≥24 | Excellent ductility |
| ERTi-2 | ≥345 | ≥275 | ≥20 | Balanced strength and weldability |
| ERTi-5 | ≥895 | ≥828 | ≥10 | High-strength for structural applications |
| ERTi-7 | ≥345 | ≥275 | ≥20 | Similar to ERTi-2, with improved corrosion resistance |
| ERTi-12 | ≥480 | ≥345 | ≥18 | Ideal for high-temperature, corrosive environments |
All values are based on AWS A5.16 standard test samples. Micro-alloy tuning and delivery state (annealed / heat-treated) can be customized per project.
Why Choose Titanium Welding Rods
Titanium filler rods deliver unmatched corrosion resistance, lightweight strength, and excellent weldability—making them the preferred solution for critical welding applications.
- Outstanding corrosion resistance in chlorine, acid/alkali, and seawater environments. Grades like ERTi-7 and ERTi-12 are ideal for thermal chlorination, desalination plants, and harsh industrial media—far outperforming 316L stainless steel electrodes in long-term durability.
- High strength-to-weight ratio: Alloys such as ERTi-5 (Ti-6Al-4V) reach tensile strengths ≥895 MPa while weighing only 56% of stainless steel, making them optimal for aerospace and medical structural components.
- Superior weldability with TIG: Titanium rods offer a stable arc, minimal spatter, and fine weld bead appearance, with minimal heat-affected zones and strong filler-base metal fusion—ideal for demanding engineering applications.
- Exceptional fatigue resistance at joints: Perfect for heat exchanger tube sheets, pressure vessels, and equipment subjected to long-term cyclic loading and temperature fluctuations. Titanium welds extend service life while reducing maintenance.
TIG Rod vs. MIG Wire: Titanium Filler Metal Selection Guide
| Comparison Item | Titanium TIG Rod | Titanium MIG Wire |
|---|---|---|
| Welding Process | GTAW (Gas Tungsten Arc Welding) | GMAW (Gas Metal Arc Welding) |
| Form Factor | Straight rods (Ø1.0–5.0 mm, typically 914 mm long) | Continuous coiled wire (spooled by weight, requires feeder) |
| Shielding Gas | 100% high-purity argon | Argon/helium mixed gas |
| Operation Mode | Manual control, ideal for precision welding | Automatic feeding, ideal for long seams and mass production |
| Weld Quality | Fine bead, minimal heat-affected zone | High efficiency, suitable for industrial fabrication |
| Typical Applications | Medical devices, chemical piping, aerospace parts | Heat exchanger tube bundles, ship structures, large titanium components |
| Key Advantages | Excellent control, wide compatibility, clean weld appearance | High throughput, automation-ready, labor saving |
| Limitations | Lower efficiency, operator skill dependent | High initial equipment cost, less flexible for complex joints |
Chalco Titanium also supplies coil-packed titanium welding wire for MIG automation, ideal for large-scale manufacturing of heat exchangers and industrial pipe systems.
View Titanium Wire Solutions
Whether you require high-precision welds for critical assemblies or high-volume production efficiency, Chalco delivers ASTM B863 / AWS A5.16-compliant titanium filler metals with customized alloys, cut lengths, and packaging to suit your process.
Application Scenarios of Titanium Welding Rods
Chemical Processing & Desalination
In environments containing chlorine, hydrofluoric acid, and strong oxidants, titanium welding rods such as ERTi-2 and ERTi-12 are widely used to weld heat exchanger tube sheets, reactors, and chlor-alkali electrolyzers. Compared to stainless steel, they significantly extend service life and reduce corrosion leakage risks.
Aerospace & High-End Manufacturing
ERTi-5 (Ti-6Al-4V) is commonly used for joining or repairing aerospace structural components, including engine mounts, hydraulic systems, and high-strength brackets. Its high strength-to-weight ratio helps reduce aircraft weight and improve flight safety.
Medical Device Welding
Medical-grade titanium offers excellent biocompatibility. ERTi-2 titanium rods are used in the welding of surgical tools and implant frames, ensuring clean welds and corrosion resistance, in compliance with ISO 10993 standards for biomedical materials.
Pressure Vessels & Heat Exchange Systems
Titanium rods are used to weld condensers, shell-and-tube heat exchangers, reactors, and evaporators in power plants and chemical facilities. They deliver excellent weld compactness and thermal fatigue resistance, ensuring long-term system reliability.
Marine Engineering & Ship Components
Seawater exposure demands high corrosion resistance. ERTi-2 and ERTi-7 are applied in hull supports, submersible shells, and propulsion joints to prevent galvanic corrosion and extend service life in offshore and marine environments.
Titanium welding rods are no longer limited to niche industries. As corrosion resistance, strength, and durability become essential, they are increasingly replacing conventional fillers across industrial sectors.
Chalco Titanium offers alloy customization, welding procedure optimization, and packaging solutions tailored to your application — from industrial-grade components to mission-critical assemblies.
One-Stop Manufacturing & Customization Capability of Titanium Welding Rods
Chalco Titanium provides a full-spectrum production system for titanium welding rods, covering every stage from ingot melting to final delivery. We support large-scale project orders and flexible customization for international engineering applications.
Full-Process Manufacturing Capabilities
- Vacuum Consumable Electrode Melting / Double Remelting – Ensures alloy purity and uniform microstructure
- Hot Extrusion + Precision Drawing – Supports rod diameters from Ø1.0 to 5.0 mm
- Vacuum Annealing – Improves weldability and ductility through refined grain structure
- Surface Finishing Options – Available treatments: pickling, oxide removal, and electropolishing
- TIG Rod Cutting & Length Customization – Standard 914 mm / 1000 mm or custom lengths available
Advanced Processing & Custom Services
- Alloy Micro-Tuning – Oxygen content, Af point, or weldability parameters adjustable upon request
- Anti-Oxidation Packaging – Options include vacuum-sealed bags, desiccant protection, or inert gas packing
- Sampling Support – Standard samples available for welding validation during project trials
Looking for detailed lead times, certifications, and global logistics support?
Process Highlights
- Hot Extrusion
- Precision Wire Drawing
Trusted Partner for Titanium Welding Rod Solutions
Choosing Chalco means more than purchasing welding rods — it's a strategic collaboration with a global expert in titanium welding.
Proven Global Project Delivery
- Export Coverage: Serving 20+ countries including North America, Europe, Japan, and the Middle East
- Packaging Solutions: Vacuum-sealed aluminum-plastic bags + PE tubes + wooden crates for moisture and impact resistance
- Trade Terms: Supports CIF / DDU / DDP and other international terms
- Full Documentation: Packing list, chemical analysis, Certificate of Origin, RoHS compliance, and more
Certified for Critical Applications
- ISO 9001 / AS9100 certified for aerospace-grade quality systems
- Provides EN 10204 3.1 MTCs and SGS / TUV / BV third-party test reports
- For medical and aerospace projects, supports ISO 13485 traceability and weld history tracking
Fast Lead Times & Inventory Reliability
- ERTi-2 / ERTi-5 / ERTi-7 in-stock, ready for delivery within 7–10 days
- Supports OEM / ODM customization of alloy, diameter, and length (3–4 week lead time)
- Engineering project support includes batch traceability, custom labeling, and split shipments
Multilingual Engineering Support
- Expert advice on welding rod selection, current recommendations, and electrode pairing
- Pre-shipment support for WPS / PQR welding procedure qualification
- Access to technical documentation packs, sample dispatch, and custom alloy matching
Need specific documents, samples, or a welding solution for your project?
Material Advantages of Titanium Welding Rod vs. Traditional Electrodes
In demanding welding environments, Titanium Welding Rods (ERTi Series) are rapidly replacing conventional stainless steel and nickel-based electrodes, becoming the preferred choice in high-end industries.
| Comparison Item | Titanium Welding Rod (ERTi Series) | Stainless Steel Rod (e.g. 308/316) | Nickel-Based Rod (e.g. ERNiCrMo-3) |
|---|---|---|---|
| Density (g/cm³) | 4.5 (Lightweight) | 7.9 (Heavy) | 8.4 (Heavier) |
| Tensile Strength (MPa) | ≥895 (ERTi-5) | Approx. 550–600 | Approx. 700–800 |
| Corrosion Resistance | Excellent (Seawater/Acid/Chloride) | Moderate, prone to pitting | Excellent in extreme corrosion |
| Heat-Affected Zone Control | Minimal, excellent weld uniformity | Large | Controllable |
| Weld Appearance | Clean bead, minimal spatter | Average, requires post-processing | Good |
| Service Life / Fatigue | High, long-term stability | Moderate, prone to fatigue failure | Excellent under extreme conditions |
| Material Compatibility | Excellent match with titanium base metal | Good with carbon steel | Broad compatibility, high cost |
| Price Level | Medium to high | Low | Very high |
| Typical Applications | Heat exchangers, pressure vessels, medical devices, aerospace structures | Food equipment, water pipelines, general parts | Petrochemical, high-temp alloy systems, nuclear industry |
With unmatched advantages in corrosion resistance, strength-to-weight ratio, heat zone control, and fatigue resistance, Titanium Welding Rods are the ideal replacement for high-spec applications such as pressure vessels, heat exchangers, implantable medical devices, and aerospace components.
Still comparing options? We offer free sample rods and welding recommendations to support your material selection.
FAQs
1. Which base metals are commonly matched with ERTi series Titanium Welding Rods?
- ERTi-2 (Commercially Pure Titanium) is suitable for welding Grade 1 to Grade 4 titanium.
- ERTi-5 (Ti-6Al-4V) is designed for Ti-6 series titanium alloy structural parts.
- ERTi-7, alloyed with palladium, is ideal for chloride-rich and corrosion-prone environments.
2. What is the recommended TIG welding current for titanium rods?
For DCEN (Direct Current Electrode Negative) welding, current should match the rod diameter:
- Ø1.6 mm:30 - 60 A
- Ø2.4 mm:60 - 90 A
- Ø3.2 mm:90 - 130 A
3. Do Titanium Welding Rods require special storage or treatment?
Yes. They must be kept dry and oxidation-free, ideally in a sealed, moisture-proof container. Before use, it's recommended to bake the rods at 300–400 °C for 1 hour to prevent porosity in welds.
4. What international standards do your welding rods meet?
Chalco's Titanium Welding Rods comply with ASTM B863 and AWS A5.16, and are delivered with EN 10204-3.1 Mill Test Certificates. For medical or aerospace projects, we also offer documentation support under ISO 13485 and AS9100 quality systems.
5. Do you offer samples? What is the lead time?
Yes, we provide free samples of standard alloys like ERTi-2 and ERTi-5, with standard rod length of 914 mm. Typical lead time for stock items is 7–10 days. For bulk or custom alloy orders, expect 3–4 weeks.


