OK Tigrod 310

OK Tigrod 310 is a corrosion‑resisting chromium‑nickel TIG welding rod designed for heat‑resistant austenitic steels (25Cr‑20Ni). It offers high chromium content for excellent oxidation resistance at elevated temperatures, making it suitable for industrial furnaces, boiler components, and heat exchangers.

Key Features

• Fully austenitic alloy (25 % Cr – 20 % Ni)
• High oxidation resistance at high temperature
• Compatible with shielding gases I1, I2, I3 (EN ISO 14175)
• Certified to EN ISO 14343‑A and AWS A5.9 ER310 standards

Specifications

• Classifications: EN ISO 14343-A : W 25 20, SFA/AWS A5.9 : ER310
• Approvals: CE 13479, UKCA 13479
• Alloy Type: Fully austenitic (25 % Cr – 20 % Ni)
• Shielding Gas: I1, I2, I3 (EN ISO 14175)
• Tensile Properties (As Welded): Yield Strength 420 MPa, Tensile Strength 560 MPa, Elongation 30 %
• Charpy Impact (As Welded): 230 J at 20 °C, 130 J at -196 °C
• Typical Weld Metal Analysis (%): C 0.10, Mn 1.7, Si 0.35, S 0.001, P 0.014, Ni 20.8, Cr 25.6, Mo 0.03, Cu 0.01
• Typical Wire Composition (%): C 0.10, Mn 1.68, Si 0.38, S 0.001, P 0.016, Ni 20.8, Cr 25.8, Mo 0.07, Cu 0.08

Applications

• Industrial furnace construction
• Boiler parts fabrication
• Heat exchanger manufacturing