Exaton 20.25.5.LCu (GTAW)

Exaton 20.25.5.LCu welding wire is designed for high‑performance GTAW of stainless steels and nickel alloys in harsh, heavy‑duty environments.

Key Features

• Consistent chemistry and mechanical properties batch‑to‑batch
• High corrosion resistance with increased Cr and Mo content
• Low moisture steel‑drum packaging for better flux protection
• Suitable for demanding process‑industry applications such as acid production and seawater cooling

Specifications

• Classifications: EN ISO 14343‑A : W 20 25 5 Cu L, SFA/AWS A5.9 : ER385, Werkstoffnummer ~1.4519
• Approvals: CE EN 13479, UKCA EN 13479, VdTÜV 02223
• Alloy Type: Austenitic, 20 % Cr, 25 % Ni, 4.5 % Mo, 1.5 % Cu, low C
• Shielding Gas: I1, I3, R1 (EN ISO 14175)
• Tensile Properties (As Welded 0 °C): Yield 440 MPa, Tensile 585 MPa, Elongation 35 %
• Charpy Impact (As Welded): 20 °C – 200 J, –196 °C – 160 J

Applications

• SAW stainless‑steel welding in heavy‑duty environments
• Process‑industry equipment exposed to acids and corrosive media
• Cooling systems using seawater or heavily polluted river water