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AWS Class ERZr2 MIG & TIG Welding Wire – Composition, Properties, and Uses

AWS Class ERZr2 MIG & TIG

AWS Class ERZr2 MIG & TIG welding is a popular hobbyist and industrial welding process. Welders utilize this process to create strong, clean, and efficient welds. This welding process provides various benefits, making it an essential technique in many welding applications. However, one must understand the AWS Class ERZr2 MIG & TIG composition, mechanical and physical properties and uses to reap its benefits.

What is AWS Class ERZr2 MIG & TIG?

Understanding the AWS Class ERZr2 MIG & TIG welding process starts with clearly comprehending the materials involved. ERZr2 is a zirconium-tungsten alloy wire expected in the welding process. This composition gives this welding technique excellent strength and resistivity properties. Additionally, zirconium in the welding wire reduces the possibility of unwanted contaminants.

ERZr2 MIG & TIG Coated Wire Composition

Apart from its composition, AWS Class ERZr2 MIG & TIG welding alloy has desirable mechanical and physical properties that make it ideal for different welding applications. Generally, it has excellent flexibility and strength and can perform well in high-temperature applications. The welding wire has a low thermal conductivity, reducing the heat input into the welded materials and reducing the risk of distortion of the welded component.

Zr+Hf

Hf Fe+Cr H N C O

99.0

4.5 0.20 0.005 0.015 0.03 0.11-

min

max max max max max 0.15

ERZr2 MIG & TIG Welding Wire Physical Properties

AWS Class ERZr2 MIG & TIG (zirconium-tungsten alloy) welding electrode is an extremely tough and lightweight material for welding applications. It has a high tensile strength of up to 750 MPa and excellent corrosion resistance in many aggressive environments. It also offers excellent thermal conductivity and low electrical resistivity, making it ideal for heat transfer applications such as furnaces.

ERZr2 MIG & TIG Coated Wire Mechanical Properties

Its mechanical properties, low toxicity, and biocompatibility make it suitable for medical device manufacturing. Furthermore, it can be found in numerous high-temperature engineering projects due to its ability to retain shape at elevated temperatures without cracking or fracturing. Ultimately, AWS Class ERZr2 MIG & TIG (zirconium-tungsten alloy) perfectly balances lightweight durability and robust performance – making it the ideal choice for any welding application!

As required by AWS 5.24

Tensile Strength MPa (ksi)

Yield Strength MPa (ksi)

Elongation
%

AWS
Requirements

Not Specified

Typical Results – As welded

380 (55)

210 (30)

16

ERZr2 MIG & TIG Welding Wire Trade Name

Class UNS Oxford Alloys
ERZr2 R60702 Alloy Zr-2

ERZr2 MIG & TIG Coated Wire Parameters

Diameter

Process

Volt Amps

Shielding Gas

in (mm)
1/16 1.6

GTAW

12-15

80-150

100% Argon
3/32 2.4

GTAW

12-15

130-200

100% Argon
1/8 3.2

GTAW

112-15

180-225

100% Argon

ERZr2 MIG & TIG Welding Wire Applications

AWS Class ERZr2 MIG & TIG welding is used extensively in various applications due to its desirable properties. The wire is ideal for welding on high-temperature materials, including stainless steel, nickel alloys, and zirconium. This welding process is also used to create pipes, pressure containers, and various welding applications in the aerospace industry.

ERZr2 MIG & TIG Coated Wire Corrosion Resistance

One of the significant benefits of AWS Class ERZr2 MIG & TIG is its corrosion resistance. This welding process offers superior resistance to stress corrosion cracking, intergranular corrosion, and other forms of corrosion that commonly affect welded applications. The zirconium content in the welding wire reduces the chances of unwanted contaminants that may cause corrosion.

ERZr2 MIG & TIG Welding Wire Heat Treatment

AWS Class ERZr2 MIG & TIG welding process does not require heat treatment after welding. The welding wire composition and the low heat input into the welded material provide excellent mechanical properties, eliminating the need for additional heat treatment. This reduces the production costs and increases efficiency in the welding process.

Conclusion

Understanding AWS Class ERZr2 MIG & TIG welding is essential, given its popularity in industrial and hobbyist welding. This welding process offers unique properties, making it ideal for different welding applications, including high-temperature applications, corrosion-resistant applications, and welding in the aerospace industry. With this article, we hope you better understand the AWS Class ERZr2 MIG & TIG welding process.

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