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ERNiMo-3 - Alloy W Nickel TIG Welding Rod - 1lb. Pack

ERNiMo-3 - Alloy W Nickel TIG Welding Rod - 1lb. Pack

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High-Performance Nickel Alloy TIG Welding Rod.

AWS A5.14-89 Grade
Class ERNiMo-3 - ALLOY W
Available Diameters .045", 1/16", 3/32" & 1/8"
Length 36" (914mm)
Weight 1 lb. Pack

Approximate number of rods per 1 lb. pack for each diameter:

  • .045" (1.14mm): 36 - 40
  • 1/16" (1.6mm): 26 - 30
  • 3/32" (2.4mm): 12 - 16
  • 1/8" (3.2mm): 8 - 10


Alloy W is a Nickel-Chromium-Molybdenum "superalloy" used for welding similar base metals such as Hastelloy® W to itself or for welding dissimilar combinations of cobalt and nickel based alloys used in high temperature service.

Alloy W provides good mechanical properties up to 1,800°F, however, it exhibits poor oxidation resistance above 1,400°F and it should not be used in applications in excess of 750 hours.

Alloy W is commonly used in the aircraft industry for jet engine repair and maintenance, gas turbine parts and rotor hubs.

Tensile strength: 109,500 psi.

Elongation is 42%.

Hastelloy is a registered trademark of Haynes Int'l, Inc.

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