AWS Class ER2594 MIG & TIG

AWS Class ER2594 MIG & TIG Welding Wire – Composition, Properties, and Uses

Welding is a critical process in creating structures, machinery, and equipment. Choosing the right welding wire is crucial to achieving strong, durable joints that can withstand different elements. AWS Class ER2594 MIG & TIG is a welding wire widely used in industrial applications. This blog post will explore the composition, physical and mechanical properties, uses, heat treatment techniques, and corrosion resistance of AWS Class ER2594 MIG & TIG.

What is AWS Class ER2594 MIG & TIG?

AWS Class ER2594 is a MIG & TIG welding electrode set designed in hard-surfacing environments. These electrodes are constructed from an austenitic stainless steel filler metal, and offer increased corrosion resistance and fatigue strength compared to conventional carbon steel electrodes. They provide excellent weldability, crack resistance, pitting corrosion resistance, and minimal spatter levels during use. Furthermore, they provide superior long-term wear in hot and cold temperature ranges with excellent deposition rates while maintaining good bead shape on all positions. With these excellent features, AWS Class ER2594 MIG & TIG welding electrodes are ideal for many construction projects such as transportation equipment manufacturing and repairs, marine engineering applications like shipbuilding & repair work, pipeline fabrication operations, etc.

ER2594 MIG & TIG Welding Wire Composition

AWS Class ER2594 MIG & TIG welding wire is a duplex stainless steel welding wire type. It contains high levels of chromium, nickel, molybdenum, and nitrogen. This welding wire’s composition provides excellent corrosion resistance, particularly in high chlorides, sulphides, and hydrogen sulphides.

Carbon (C)

0.01

Chromium (Cr)

25.1

Copper (Cu)

0.10

Iron (Fe)

Balance

Manganese (Mn)

0.60

Molybdenum (Mo)

3.90

Nickel (Ni)

9.20

Nitrogen (N)

0.27

Phosphorous (P)

0.02

Silicon (Si)

0.40

Sulfur (S)

0.001

Tungsten (W)

1.00

ER2594 MIG & TIG Coated Wire Physical Properties

AWS Class ER2594 MIG & TIG welding alloy has excellent physical properties that make it suitable for welding different materials and structures. It has a specific gravity of 7.8 and a melting range of 1350°C to 1420°C. The welding wire also has high flexibility and toughness, making it resistant to breakage and deformation.

ER2594 MIG & TIG Welding Wire Mechanical Properties

AWS Class ER2594 MIG & TIG has an exceptional combination of mechanical properties that make it suitable for welding high-stress applications. It has high levels of tensile strength, yield strength, and elongation. These properties make the wire ideal for creating joints that can withstand extreme temperatures, pressure, and vibration.

Tensile Strength (psi) Yield Strength (psi) Percent Elongation
123,000 psi (850 MPa) 94,000 psi (650 MPa) 28%

ER2594 MIG & TIG Coated Wire Trade Name

Class UNS Oxford Alloys SANDVIK BOHLER UTP
ER2594 S39209 Alloy 2594 EXATON 25.10.4.L BOHLER AVESTA 2507/P100

ER2594 MIG & TIG Welding Wire Parameters

Diameter

Type of Power

Amperage Volts

Stickout

98% Ar/ 2% O2
(cfh)
.035” DCEP 150-225 23-26

1/2”-3/4”

35
.045” DCEP 200-325 24-28

1/2”-3/4”

35
1/16” DCEP 300-350 24-27

1/2”-3/4”

35

ER2594 MIG & TIG Coated Wire Uses

AWS Class ER2594 MIG & TIG filler wire is used in industrial applications requiring strong and durable joints. It is used in oil and gas, chemical processing, marine engineering, and construction. The welding wire suits welding structures, pipelines, tanks, and equipment exposed to harsh environments.

ER2594 MIG & TIG Welding Wire Heat Treatment

AWS Class ER2594 MIG & TIG filler metal can be subjected to different heat treatment techniques to improve mechanical properties. Annealing, solution annealing, and quenching are examples of heat treatment techniques that can be used on this welding wire. These techniques can help improve the strength and ductility of the welding wire, enhancing its performance in different applications.

ER2594 MIG & TIG Coated Wire Corrosion Resistance

AWS Class ER2594 MIG & TIG has exceptional corrosion resistance, particularly in environments with high chloride, sulphide, and hydrogen sulphide levels. The welding wire also has excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. These properties make it ideal for welding structures and equipment in corrosive environments.

Conclusion:

AWS Class ER2594 MIG & TIG is a welding wire widely used in industrial applications. Its high levels of chromium, nickel, molybdenum, and nitrogen provide excellent resistance to corrosion, particularly in harsh environments. The welding wire has excellent physical and mechanical properties that make it suitable for welding high-stress applications. AWS Class ER2594 MIG & TIG is used in oil and gas, chemical processing, marine engineering, and construction industries. It can be subjected to different heat treatment techniques to improve its mechanical properties, and it has exceptional corrosion resistance, making it ideal for harsh environments. AWS Class ER2594 MIG & TIG for welding provides a reliable and efficient solution for building durable structures and equipment.

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