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AWS A5.16-13 ERTI-2 is a commercially pure (CP Grade 2) titanium welding wire and rod designed for gas tungsten arc welding (GTAW/TIG) and gas metal arc welding (GMAW/MIG). Recognized for its excellent corrosion resistance, outstanding weldability, and reliable mechanical strength, ERTi-2 is the workhorse filler metal for joining commercially pure titanium in aerospace, marine, chemical, and industrial applications.
AWS A5.16/A5.16M:2013 is the American Welding Society standard for titanium and titanium-alloy welding electrodes and rods.
ERTi-2 under this specification represents Grade 2 commercially pure titanium with:
Moderate strength
Excellent ductility
High resistance to corrosion in oxidizing and mildly reducing environments
Looking to buy AWS A5.16-13 ERTi-2? This filler metal is widely available in spools, coils, or cut rods with full traceability.
Superior corrosion resistance — performs exceptionally in marine, chemical, and aerospace service.
Excellent weldability — smooth arc performance and low oxygen content for defect-free welds.
Lightweight but strong — titanium’s high strength-to-weight ratio reduces overall structure weight.
Thermal stability — maintains mechanical integrity up to ~400°C.
Clean, reliable joints — minimizes porosity when proper inert gas shielding is used.
Standard: AWS A5.16/A5.16M:2013 (ISO 24034 MOD)
Classification: ERTi-2 (CP Grade 2 Titanium)
Diameter Range: 0.8 mm – 4.0 mm (0.030″ to 5/32″)
Forms: Spools, coils, straight cut rods (36″ or custom lengths)
Surface Finish: Bright, polished, or pickled
Certification: AWS A5.16-13, EN 10204 3.1 / 3.2, available with third-party inspection
Compatible Base Metals: Titanium Grades 1, 2, 3, and other unalloyed titanium components
Aerospace & Aviation: Airframe skins, ducts, brackets, hydraulic lines
Marine & Offshore: Heat exchangers, piping systems, desalination plants
Chemical Processing: Reactors, condensers, pressure vessels, storage tanks
Cryogenic Equipment: Piping and vessel systems for low-temperature service
Medical & Healthcare: Biocompatible assemblies and lightweight structural parts
Power Generation: Condensers and heat exchangers in nuclear and renewable energy plants
Process Compatibility: TIG (GTAW) is most common; MIG (GMAW) for thicker sections.
Shielding Gas: 100% high-purity Argon or Argon-Helium mix to avoid oxidation.
Clean Preparation: Remove surface oxides and contamination before welding.
Preheat/Postheat: Not typically required, but maintain inert gas shield on weld and backside.
Other Processes: Plasma arc, electron beam, and laser beam welding can also be used.
| Property | ERTi-2 Typical Value |
|---|---|
| Tensile Strength | ~345 MPa (50 ksi) |
| Yield Strength | ~275 MPa (40 ksi) |
| Elongation | ~20% |
| Density | 4.51 g/cm³ |
| Corrosion Resistance | Excellent in seawater, chlorides, and oxidizing acids |
| Element | Max (%) |
|---|---|
| Oxygen | 0.25 |
| Nitrogen | 0.03 |
| Carbon | 0.08 |
| Iron | 0.20 |
| Hydrogen | 0.015 |
Exact limits as per AWS A5.16/A5.16M:2013.
Full Certification & Traceability: AWS A5.16-13 / EN 10204 MTC with optional third-party approval.
Premium Purity: Low interstitial elements for optimal ductility and corrosion performance.
Flexible Supply: Small quantity orders to bulk shipments available worldwide.
Fast Delivery: Stock in popular diameters for urgent welding projects.
Technical Support: Expert guidance on welding titanium for aerospace, marine, and chemical industries.

Titanium Metals specializes in high-quality titanium materials and components for critical industries. Every product is manufactured with precision, tested for strength, corrosion resistance, and purity.

We deliver premium-grade titanium metals engineered for high performance and long-term reliability. Every product is manufactured with strict quality controls, precise dimensions, and flawless finishing to match international standards.

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