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HAYNES 617 Welding Electrode – Composition, Properties, and Uses

HAYNES 617 Welding Wire

Welding is essential in many industries, but not all wires are identical. One of the most popular welding wires on the market is the HAYNES® 617 Welding Wire. This wire is known for its excellent mechanical properties, high-temperature strength, and corrosion resistance and is used in many applications. This blog post will explore the HAYNES® 617 Welding Wire composition, physical and mechanical properties, uses, and ability to withstand corrosion.

What is HAYNES® 617 Welding Wire?

HAYNES® 617 Welding Wire is a high-performance alloy designed for welding alloys which are cobalt-based alloys such as Hastelloy X and Waspalloy. This wire has excellent mechanical properties, including exceptional resistance to oxidation, corrosion, and creep at elevated temperatures. It also offers good weldability, low porosity in highly stressed joints, and good impact strength even after long-term use in hostile environments. HAYNES® 617 Welding Wire is ideal for applications requiring maximum welding performance.

HAYNES® 617 Welding Electrode Composition

HAYNES® 617 filler Wire is a nickel-chromium-cobalt-molybdenum alloy that contains chromium from 20% to 24.5%, cobalt ranging from 10% to 15%, and molybdenum ranging from 8% to 10%. It also contains small amounts of tungsten, iron, silicon, manganese, carbon, phosphorus, sulfur, and boron. Adding these components gives the wire incredible strength, flexibility, and durability.

Nickel: Balance
Chromium: 20.0-24.0
Cobalt: 10.0-15.0
Molybdenum: 8.0-10.0
Iron: 3.0 max.
Aluminum: 0.8-1.5
Manganese: 1.0 max.
Silicon: 1.0 max.
Titanium: 0.60 max.
Copper: 0.50 max.
Other: 0.50 max.
Carbon: 0.05-0.15
Phosphorus: 0.03 max.
Sulfur: 0.015 max.

HAYNES® 617 Coated Electrode Mechanical Properties

HAYNES® 617 Wire is known for its excellent mechanical properties. It has a yield strength of 480 MPa, a tensile strength of 760 MPa, and an elongation of 45%. Additionally, the wire is highly resistant to thermal fatigue, creep, and stress rupture.

Tensile (psi) 90,000
Mpa 620
Elongation (%) 25

HAYNES® 617 Welding Electrode Physical Properties

The physical properties of HAYNES® 617 electrode are also remarkable. It has a density of 9.13 g/cm3, a melting point of approximately 1338°C (2440°F), and a specific heat capacity of 448 J/kg K. These properties make the coated electrode wire an excellent choice for high-temperature applications.

HAYNES® 617 Welding Electrode Trade Name

Class UNS Haynes
ERNiCrCoMo-1 N06617 HAYNES® 617

HAYNES® 617 Welding Electrode Uses

HAYNES® 617 welding is widely used in various industries, including aerospace, chemical processing, power generation, and petrochemical. This wire is used for welding and cladding applications on base filler metals such as stainless steel, nickel-chromium, and cobalt-chromium alloys. HAYNES® 617 Welding Wire is ideal for gas turbine hot components, such as combustion, high-temperature burners, and heat exchangers.

HAYNES® 617 Coated Electrode Corrosion Resistance

HAYNES® 617 Welding filler Wire is highly resistant to corrosion. It has excellent corrosion resistance in oxidizing and reducing environments, such as sulfuric and hydrochloric acids and alkaline solutions. Additionally, the wire is highly resistant to stress-corrosion cracking, a common phenomenon in austenitic stainless steel.

HAYNES® 617 Coated Electrode Heat Treatment

The HAYNES® 617  welding electrode requires proper heat treatment to ensure optimal performance. The wire must be heated to 1140°C (2085°F) and held at this temperature for at least 30 minutes before being quenched in water. The wire requires a second heat treatment between 760 and 930°C (1400 and 1700°F), followed by air cooling.

Conclusion

In conclusion, HAYNES® 617 Welding Wire is an incredible nickel-chromium-cobalt-molybdenum alloy with excellent mechanical and physical properties, making it ideal for high-temperature applications. It has excellent corrosion resistance to oxidizing and reducing environments and stress-corrosion cracking and is widely used in aerospace, chemical processing, power generation, and petrochemical industries. Proper heat treatment is essential to ensure optimal performance.

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