Exaton 22.8.3.LSi (GMAW)

Exaton 22.8.3.LSi is a high‑performance GMAW filler wire designed for gas‑shielded arc welding of duplex stainless steels and for joining these steels to carbon or low‑alloy steels. It offers excellent corrosion resistance, high strength, and good ductility.

Key Features

• Optimized for duplex stainless steel (UNS S32304, S31803/S32205) welding
• High corrosion‑resistant chemistry with elevated Cr and Mo content
• Consistent batch‑to‑batch chemistry and mechanical properties
• Available in 15 kg and 250 kg steel drum packaging for moisture protection
• Suitable for plasma welding, overlay welding, hot‑wire TIG and mechanical TIG

Specifications

• Alloy Type: Austenitic‑ferritic (duplex) ~55 % ferrite, 22.5 % Cr, 8 % Ni, 3 % Mo
• Shielding Gas: M12, M13 (EN ISO 14175)
• Wire Diameters & Parameters:
  • 0.8 mm – 40‑120 A, 15‑19 V, 4‑8 mm/min feed
  • 1.0 mm – 60‑220 A, 15‑28 V, 4‑12 mm/min feed
  • 1.2 mm – 150‑260 A, 24‑29 V, 3‑10 mm/min feed
• Tensile (As Welded): Yield 630‑660 MPa, Tensile 810‑830 MPa, Elongation 30‑32 %
• Charpy Impact (As Welded): 120‑150 J at 20 °C, 85‑145 J down to –60 °C
• Typical Wire Composition (%): C 0.012, Mn 1.5, Si 0.8, S 0.0007, P 0.018, Ni 8.6, Cr 23, Mo 3.2, V 0.05, Cu 0.09, N 0.15, Nb 0.01, Ti 0.003, Co 0.04, PRE 37, FN WRC‑92 55, W 0.01

Applications

• Duplex stainless steel (SAW, GMAW) welding in heavy‑duty environments
• Overlay and cladding applications requiring single‑layer deposits
• Joining duplex stainless to carbon or low‑alloy steels
• Plasma welding and TIG overlay processes