OK Tigrod 13.12

OK Tigrod 13.12 is a copper‑coated, low‑alloyed chromium‑molybdenum welding rod designed for GTAW of creep‑resistant steels such as pressure vessel and boiler pipes, and for high‑strength low‑alloy steels (≥550 MPa tensile strength).

Key Features

• Copper coating for improved arc stability
• Low‑alloy steel (1 % Cr, 0.5 % Mo) suitable for creep‑resistant applications
• Compatible with I1 shielding gas (EN ISO 14175)
• Certified to EN ISO 21952, SFA/AWS A5.28, CE and UKCA standards

Specifications

• Classifications: EN ISO 21952‑A (W CrMo1Si), EN ISO 21952‑B (W 55 I1 1CM3), SFA/AWS A5.28 (ER80S‑G)
• Approvals: CE EN 13479, UKCA EN 13479, VdTÜV 04952
• Alloy Type: Low alloyed steel (1 % Cr – 0.5 % Mo)
• Shielding Gas: I1 (EN ISO 14175)
• Tensile Strength (As Welded): 720 MPa
• Yield Strength (As Welded): 560 MPa
• Elongation (As Welded): 24 %
• Charpy Impact (As Welded, -40 °C): 20 J

Applications

• GTAW of creep‑resistant boiler and pressure vessel pipes
• Welding of low‑alloy high‑strength steels (≥550 MPa)
• Suitable for both stress‑relieved and as‑welded conditions