OK Tigrod 309MoL

OK Tigrod 309MoL is a continuous solid corrosion‑resistant filler wire of the 309LMo type, designed for overlay welding of unalloyed and low‑alloyed steels and for joining dissimilar steels such as 316L to carbon steels where molybdenum is required.

Key Features

• Corrosion‑resistant 309LMo alloy with approx. 8% ferrite
• Suitable for overlay welding and dissimilar steel welding
• Certified to EN ISO 14343‑A, SFA/AWS A5.9 standards
• Available in multiple diameters and lengths

Specifications

• Classifications: EN ISO 14343‑A : W 23 12 2 L, SFA/AWS A5.9 : ER 23 12 2 L, ER309LMo (mod)
• Approvals: CE (EN 13479), DNV (1.6‑3.2 mm), UKCA (EN 13479)
• Alloy Type: Austenitic 309LMo – 22% Cr, 15% Ni, 3% Mo, low C
• Shielding Gas: I1 (EN ISO 14175)
• Tensile Yield Strength: 490‑510 MPa (As Welded)
• Tensile Strength: 630‑640 MPa (As Welded)
• Elongation: 26‑33 % (As Welded)
• Charpy Impact: 90‑130 J at 20 °C, 65 J at –60 °C (As Welded)

Applications

• Overlay welding of carbon and low‑alloy steels
• Dissimilar steel welding (e.g., 316L to carbon steel)
• Industrial fabrication where Mo addition is critical