ThePipingMart Blog Welding Electrodes HAYNES® Waspaloy Welding Wire – Composition, Properties, and Uses

HAYNES® Waspaloy Welding Wire – Composition, Properties, and Uses

HAYNES® Waspaloy Welding Wire

Welding wires are in high demand due to their versatile uses in various industries. HAYNES® Waspaloy Welding Wire is a popular welding wire widely used in aerospace, chemical processing, and power generation. The weld wire is known for its high-temperature strength, resistance to oxidation and corrosion, and excellent mechanical properties. If you’re looking for a stable, reliable, and long-lasting welding wire, then HAYNES® Waspaloy Welding Wire is the best option.

What is HAYNES® Waspaloy Welding Wire?

HAYNES® Waspaloy Welding Wire is a high-performance welding wire designed to weld nickel-base superalloys. It has excellent creep and rupture properties, making it suitable for applications with severe service temperatures up to 2050°F (1121°C). This welding wire also provides excellent oxidation resistance in vacuum and inert gas atmospheres. Ideal applications include aerospace components, jet engines, nuclear power, chemical process equipment, and gas turbine components.

HAYNES® Waspaloy Coated Wire Composition

HAYNES® Waspaloy Wire mainly consists of nickel, chrome, cobalt, and molybdenum. The alloy also contains aluminium, titanium, and iron in smaller quantities. The combination of these metals contributes to the wire’s impressive metallurgical properties.

Nickel: Remainder
Chromium: 18.00-21.00
Cobalt: 12.00-15.00
Molybdenum: 3.50-5.00
Titanium: 2.75-3.50
Iron: 2.00 max.
Aluminum: 1.20-1.60
Carbon: 0.02-0.10
Copper: 0.10 max.
Manganese: 0.10 max.
Silicon: 0.10 max.
Zirconium: 0.04 max.
Boron: 0.003-0.010
Phosphorus: 0.0010 max.
Sulfur: 0.010 max.

HAYNES® Waspaloy Welding Wire Mechanical Properties

One of the most significant advantages of HAYNES® Waspaloy electrode is its mechanical strength. The welding wire has a tensile strength of 1250 MPa and can withstand temperatures up to 705°C. This wire has impressive weldability, making it the top choice for welding high-stress applications.

HAYNES® Waspaloy Coated Wire Physical Properties

The welding wire has a density of 8.19 g/cc and a melting range of 1290-1355°C. The wire is classified as a superalloy due to its high nickel content, contributing to its excellent physical properties.

HAYNES® Waspaloy Welding Wire Trade Name

Class UNS
HAYNES® Waspaloy N07001

HAYNES® Waspaloy Coated Wire Uses

The welding electrode is perfect for applications requiring high-temperature resistance, such as gas turbine engine components, aircraft components, etc. The wire is also used in chemical processing, where it can withstand harsh and corrosive environments.

HAYNES® Waspaloy Welding Wire Corrosion Resistance

HAYNES® Waspaloy filler Wire is highly resistant to oxidation, sulfidation, and corrosion. It is a popular choice in chemical processing plants exposed to corrosive environments.

HAYNES® Waspaloy Coated Wire Heat Treatment

HAYNES® Waspaloy filler metal can also be heat treated to improve its mechanical and physical properties. The wire can be solution annealed at 1095°C, water-quenched, precipitation hardening at 760°C for 16 hours, and then air cooling. This process results in improved tensile strength and toughness.


HAYNES® Waspaloy Welding Wire is a reliable, versatile, and long-lasting welding wire that is perfect for high-temperature applications, and its impressive mechanical and physical properties make it a valuable option for various industries. With its outstanding corrosion resistance, superior heat treatment capabilities, and excellent mechanical strength, HAYNES® Waspaloy Welding Wire is the top choice for welding professionals worldwide.

Related Post