OK Tigrod 308H

OK Tigrod 308H provides corrosion‑resistant chromium‑nickel alloy rods for welding austenitic stainless steels (18 % Cr – 8 % Ni). It offers good general corrosion resistance and high carbon content for higher‑temperature applications in chemical and petrochemical plants.

Key Features

• Bare corrosion‑resisting chromium‑nickel rod
• High carbon alloy suitable for elevated temperatures
• Excellent general corrosion resistance
• Designed for tubes, cyclones, and boiler welding

Specifications

• Classifications: EN ISO 14343‑A : W 19 9 H, SFA/AWS A5.9 : ER308H
• Alloy Type: Austenitic 19 % Cr – 9 % Ni – High C
• Shielding Gas: I1 (EN ISO 14175)
• Tensile (As Welded): Yield 507 MPa, Tensile 660 MPa, Elongation 39 %
• Charpy Impact (As Welded, -18 °C): 157 J
• Typical Composition (%): C 0.05, Mn 1.9, Si 0.5, Ni 9.2, Cr 19.8, N 0.04, Nb 0.01, FN WRC‑92 6

Applications

• Welding of austenitic chromium‑nickel alloys in chemical industry
• Tubes, cyclones, and boiler fabrication
• High‑temperature service locations