Exaton Ni59 (GMAW)

Exaton Ni59 is a versatile nickel‑based alloy wire offering excellent wet corrosion resistance and thermal stability for demanding welding applications.

Key Features

• Superior resistance to oxidizing and reducing media, chlorides, and localized corrosion.
• High thermal stability reduces intermetallic precipitation during welding.
• Approved for ISO15156/MR0175 (test level VII) in sour‑gas environments.
• Suitable for MIG/MAG, plasma, hot‑wire TIG and mechanised TIG processes.

Specifications

• Alloy composition: Ni 60.6 %, Cr 22.7 %, Mo 15.5 % (other elements in trace amounts).
• Shielding gas: I1 (EN ISO 14175).
• Tensile (as welded): Yield 470 MPa, Tensile 760 MPa, Elongation 48 %.
• Charpy impact (as welded): 190 J at 20 °C, 155 J at –196 °C.
• Wire diameters & parameters:
  • 1.2 mm – 150‑260 A, 24‑29 V, 3‑10 mm/min feed.
  • 1.6 mm – 230‑350 A, 25‑30 V, 3‑5 mm/min feed.

Applications

• Aggressive corrosive environments: flue‑gas desulfurisation scrubbers, chemical process plants, offshore & petrochemical.
• Acidic media: sulfuric, hydrochloric, phosphoric, nitric acids.
• Dissimilar welding to nickel alloys (UNS N10276, N06022, N06625, N08825) and super‑austenitic/super‑duplex steels.
• Overlay welding and SAW applications.