OK Tigrod 13.26

OK Tigrod 13.26 is a copper‑coated, low‑alloy TIG rod designed for welding weathering steels such as COR‑TEN, Patinax, and Dillicor.

Key Features

• Low‑alloy composition (0.8 % Ni, 0.45 % Cu) for good corrosion resistance
• Certified for sour‑gas applications (Ni < 1 %)
• Meets NACE hardness limit of 22 HRC for deposited weld metal
• Suitable for high‑strength steels with yield strength up to 470 MPa

Specifications

• Classifications: EN ISO 636‑A : W 46 6 Z 3Ni1Cu, EN ISO 636‑A : W Z 3Ni1Cu, SFA/AWS A5.28 : ER80S‑G
• Approvals: CE EN 13479, DNV‑GL IV YM (I1), UKCA EN 13479
• Alloy Type: Low alloyed steel (0.8 % Ni – 0.4 % Cu)
• Shielding Gas: I1 (EN ISO 14175)
• Tensile Yield Strength (As Welded, EN I1): 490 MPa
• Tensile Strength (As Welded, EN I1): 580 MPa
• Elongation (As Welded, EN I1): 30 %

Applications

• GTAW of weathering steels (e.g., COR‑TEN, Patinax, Dillicor)
• Sour‑gas service where nickel content must stay below 1 %
• Welding of high‑strength steels with yield strength < 470 MPa