OK Tigrod 308L

OK Tigrod 308L is a corrosion‑resistant chromium‑nickel TIG rod designed for stainless steel welding in chemical, food processing, pipe, tube and boiler applications. It offers good general corrosion resistance and low‑carbon content to reduce the risk of intergranular corrosion.

Key Features

• Austenitic alloy with approx. 8 % ferrite (19 % Cr, 9 % Ni, low carbon)
• Excellent corrosion resistance up to 350 °C service temperature
• Suitable for 18 % Cr‑8 % Ni stainless steels and Nb‑stabilized grades
• Can be used on Cr‑steels except in sulphur‑rich environments
• Available in multiple diameters (1.0 mm‑3.2 mm) with 5 kg packs

Specifications

• Classifications: EN ISO 14343‑A : W 19 9 L, SFA/AWS A5.9 : ER308L, Werkstoffnummer ~1.4316
• Approvals: CE EN 13479, CWB ER308L, DNV NV 308 L, UKCA EN 13479, VdTÜV 04269
• Alloy Type: Austenitic (≈8 % ferrite) 19 % Cr ‑ 9 % Ni ‑ Low C
• Shielding Gas: I1 (EN ISO 14175)
• Tensile Properties (As Welded): Yield 440 MPa, Tensile 580 MPa, Elongation 36 %
• Charpy Impact (As Welded): 20 °C ‑ 170 J, -80 °C ‑ 135 J, -196 °C ‑ 80 J

Applications

• Chemical and food processing equipment
• Pipe, tube and boiler fabrication
• General stainless‑steel welding (18 % Cr‑8 % Ni)
• Nb‑stabilized stainless steels below 350 °C
• Non‑sulphur environments for Cr‑steels