Exaton 25.10.4.L (GTAW)

Exaton 25.10.4.L is a GTAW filler rod designed for gas‑shielded arc welding of super‑duplex stainless steels such as UNS S32750, S32760 and S31803/S32205. It offers high strength, excellent ductility and superior corrosion resistance for demanding environments.

Key Features

• Optimized for super‑duplex stainless steel welding
• High strength with 650 MPa yield and 850 MPa tensile strength
• Excellent resistance to stress corrosion cracking, pitting and crevice corrosion
• Consistent chemistry and mechanical properties batch‑to‑batch
• Available in 5 kg drums (1.6 mm, 2.0 mm, 2.4 mm, 3.2 mm diameters)

Specifications

• Classifications: EN ISO 14343‑A : W 25 9 4 N L, SFA/AWS A5.9 : ER2594
• Approvals: ABS 2594, BV Duplex, CE EN 13479, VdTÜV 06592, DNV 1.2‑3.2 mm, UKCA EN 13479
• Alloy Type: Austenitic‑ferritic duplex (~50 % ferrite, 25 % Cr, 10 % Ni, 4 % Mo, low C)
• Shielding Gas: I1, I3, N2 (EN ISO 14175)
• Tensile (As Welded): Yield 650 MPa, Tensile 850 MPa, Elongation 25 %
• Charpy Impact (As Welded): 210 J @ 20 °C, 170 J @ ‑40 °C, 150 J @ ‑46 °C, 140 J @ ‑50 °C

Applications

• Welding super‑duplex stainless steels in corrosive, chloride‑bearing environments
• Joining duplex stainless to carbon or low‑alloy steels
• Projects requiring maximum corrosion resistance and stress‑corrosion‑cracking resistance