AWS A5.16-13 ERTI-2 Titanium Filler Metal

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.


What Is AWS A5.16-13 ERTi-2?

  • 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.


Key Features & Benefits

  • 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.


Specifications & Availability

  • 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


Typical Applications of AWS A5.16-13 ERTi-2

  • 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


Welding Guidance

  • 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.


Mechanical & Chemical Properties (Typical)

PropertyERTi-2 Typical Value
Tensile Strength~345 MPa (50 ksi)
Yield Strength~275 MPa (40 ksi)
Elongation~20%
Density4.51 g/cm³
Corrosion ResistanceExcellent in seawater, chlorides, and oxidizing acids
ElementMax (%)
Oxygen0.25
Nitrogen0.03
Carbon0.08
Iron0.20
Hydrogen0.015

Exact limits as per AWS A5.16/A5.16M:2013.


Why Choose Our AWS A5.16-13 ERTi-2 Filler Metal

  • 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.

Quality Full Work

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.

100% Work Satisfication

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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