AWS Class ERTi-2 MIG & TIG is worth considering if you’re looking for high-quality welding materials. This titanium alloy is commonly used in various industries and applications thanks to its unique composition and properties. This blog looks in-depth at AWS Class ERTi-2 MIG & TIG, including its composition, physical and mechanical properties, uses, heat treatment, and corrosion resistance. By the end, you’ll better understand why this material is a top choice for welding.
What is AWS Class ERTi-2 MIG & TIG?
AWS Class ERTi-2 MIG & TIG welding electrodes are a type of rod designed for a gas metal arc (MIG) and inert tungsten gas (TIG) welding. These rods can join various metals, including steel, nickel, cobalt and aluminium alloys. They are typically made of an alloy or mixture of metals such as titanium, tantalum or zirconium alloyed with tungsten. These rods have a very low-level flux coating that helps protect welds from oxidation and other debris that could interfere with forming strong weld beads. The ERTi-2 electrodes produce an aesthetically pleasing finish on both the surface and the backside of a metal joint, making them ideal for visual inspection applications such as aerospace structures, jewellery manufacturing and automotive bodies.
ERTi-2 MIG & TIG Welding Wire Composition
AWS Class ERTi-2 welding wire is a commercially pure titanium alloy that contains 99.6% titanium. It also includes small amounts of iron, oxygen, nitrogen, and carbon, which help improve its properties. This composition makes AWS Class ERTi-2 an excellent choice for welding applications, especially with other titanium alloys or dissimilar metals. It has a low density, high strength-to-weight ratio, and superior corrosion resistance.
ERTi-2 MIG & TIG Coated Wire Physical Properties
AWS Class ERTi-2 alloy has a melting range of 1670-1750°C and a 4.51 g/cm³ density. Its electrical conductivity, thermal conductivity, and thermal expansion are all relatively low compared to other metals, such as copper or aluminium. However, its modulus of elasticity is similar to steel, giving it excellent strength and durability.
ERTi-2 MIG & TIG Welding Wire Mechanical Properties
AWS Class ERTi-2 has an ultimate tensile strength of 370 MPa and a yield strength of 340 MPa. Its elongation and reduction in the area are relatively high, indicating excellent ductility and formability. In addition, AWS Class ERTi-2 has excellent impact resistance, which is crucial in welding applications where sudden changes in temperature or stress can occur.
As required by AWS 5.16
Tensile Strength MPa (ksi)
Yield Strength MPa (ksi)
Typical Results – As welded
ERTi-2 MIG & TIG Coated Wire Tarde Name
|BOHLER ERTI-2 -IG
ERTi-2 MIG & TIG Welding Wire Parameters
ERTi-2 MIG & TIG Coated Wire Uses
AWS Class ERTi-2 wire is commonly used in various industries, including aerospace, marine, medical, and chemical. It is an excellent choice for welding titanium alloys, dissimilar metals, and other materials that require superior corrosion resistance and strength. It is also often used in pressure vessels, heat exchangers, and chemical processing equipment.
ERTi-2 MIG & TIG Welding Wire Heat Treatment
AWS Class ERTi-2 filler wire is a non-hardenable alloy, so it cannot be heat-treated to increase its strength or hardness. However, it can be annealed or stress relieved to improve its formability and ductility. These treatments involve heating the material to a specific temperature, holding it for a certain amount, and then cooling it at a specific rate.
ERTi-2 MIG & TIG Coated Wire Corrosion Resistance
AWS Class ERTi-2 filler metal has excellent corrosion resistance, especially in acidic and alkaline environments. It is highly resistant to pitting, crevice, and stress corrosion cracking, making it ideal for harsh conditions. It is also resistant to erosion, making it ideal for high-velocity fluid or gas applications.
AWS Class ERTi-2 MIG & TIG is an excellent choice for welding applications that require superior corrosion resistance, ductility, and strength. Its unique composition and properties make it a top choice for various industries, including aerospace, marine, medical, and chemical. Whether you’re welding titanium alloys, dissimilar metals, or pressure vessels, AWS Class ERTi-2 MIG & TIG is worth considering. Its excellent physical and mechanical properties can withstand harsh conditions and maintain its durability. So next time you choose welding materials, give AWS Class ERTi-2 MIG & TIG a closer look.
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