OK Autrod 2509

OK Autrod 2509 is a continuous solid “Super Duplex” MIG welding wire designed for superior corrosion resistance in austenitic‑ferritic stainless steel alloys.

Key Features

• High resistance to intergranular, pitting and stress corrosion cracking
• Suitable for demanding environments such as pulp & paper, offshore and gas industries
• Available in 1.0 mm and 1.2 mm diameters with 5 kg and 15 kg spool options

Specifications

• Alloy Type: Austenitic‑ferritic (≈25 % Cr, 10 % Ni, 4 % Mo, low C)
• Classifications: EN ISO 14343‑A G 2594 N L, SFA/AWS A5.9 ER2594
• Shielding Gas: M12, M13 (EN ISO 14175)
• Yield Strength: 659 MPa (as welded)
• Tensile Strength: 832 MPa (as welded)
• Elongation: 30 % (as welded)
• Charpy Impact: 159 J at 20 °C, 129 J at –40 °C (as welded)
• Deposition Data:
  • 1.0 mm: 80‑190 A, 16‑24 V, 2.9‑8.4 m/min, 1.1‑3.1 kg/h
  • 1.2 mm: 180‑280 A, 20‑28 V, 4.9‑8.5 m/min, 2.6‑4.5 kg/h

Applications

• Pulp & paper processing equipment
• Offshore structures and pipelines
• Gas industry components requiring superior corrosion resistance