Exaton 22.8.3.L (GTAW)

Exaton 22.8.3.L is a premium GTAW filler rod designed for gas‑shielded arc welding of duplex stainless steels such as UNS S32304 and UNS S31803/S32205, offering high strength, excellent ductility and superior corrosion resistance.

Key Features

• Optimized for duplex stainless steel welding in heavy‑duty environments
• Consistent chemistry and mechanical properties batch‑to‑batch
• High Cr and Mo content for enhanced corrosion resistance
• Low‑moisture steel drum packaging (20‑25 kg drums)
• Reduces number of required weld passes, lowering cost and labor

Specifications

• Classifications: EN ISO 14343‑A : W 22 9 3 N L, SFA/AWS A5.9 : ER2209, EN ISO 14343‑B : 2209
• Approvals: ABS (0.8‑4.0 mm), BV (2.4‑3.2 mm), CE EN 13479, DNV (2.0‑4.0 mm), UKCA EN 13479, VdTÜV 19480
• Alloy Type: Austenitic‑ferritic (duplex) ~55 % ferrite, 22.5 % Cr, 8 % Ni, 3 % Mo, low C
• Shielding Gas: I1, I2, I3, N2 (EN ISO 14175)
• Yield Strength: 580 MPa (As Welded)
• Tensile Strength: 710 MPa (As Welded)
• Elongation: 28 % (As Welded)
• Charpy Impact (As Welded): 200 J @ 20 °C, 180 J @ –20 °C, 160 J @ –40 °C, 155 J @ –46 °C, 145 J @ –50 °C

Applications

• Welding of duplex stainless steel plates and pipes
• Overlay welding of duplex to carbon or low‑alloy steels
• Construction, petrochemical, offshore and marine environments requiring high corrosion resistance