OK Autrod 309L

OK Autrod 309L is a continuous solid corrosion‑resisting chromium‑nickel filler wire designed for joining stainless steels to non‑alloy or low‑alloy steels and for welding austenitic stainless alloys (24% Cr, 13% Ni).

Key Features

• High corrosion resistance for stainless steel applications.
• Compatible with OK Flux 10.92, 10.93 and 10.99.
• Available in standard spools and ESAB Marathon Pac bulk drums for high‑volume production.
• Produced at ESAB's Vamberk Center of Excellence (Czech Republic).

Specifications

• Classifications: EN ISO 14343‑A S 23 12 L, SFA/AWS A5.9 ER309L
• Approvals: CE (EN 13479), UKCA (EN 13479), VdTÜV 12101
• Alloy Type: Austenitic (≈10% ferrite) 24% Cr – 13% Ni – Low C
• Typical Wire Composition (%): C 0.02, Mn 1.8, Si 0.4, S 0.010, P 0.015, Ni 13.4, Cr 23.2, Mo 0.10, Cu 0.1, N 0.05, FN WRC‑92 10

Applications

• Submerged Arc Welding (SAW) of stainless to carbon/low‑alloy steels.
• Cladding and overlay of austenitic stainless alloys.
• High‑volume production welding where weld economy is critical.