OK Tigrod 13.22

OK Tigrod 13.22 is a copper‑coated, low‑alloyed chromium‑molybdenum welding rod designed for GTAW of creep‑resistant steels such as pressure vessel and boiler pipes.

Key Features

• Low‑alloy steel (2.5 % Cr, 1.0 % Mo) with copper coating for improved wetting
• Suitable for service temperatures up to 600 °C
• Meets AWS A5.28 ER90S‑G / EN ISO 21952 classifications
• Available in 2.0 × 1000 mm and 2.4 × 1000 mm lengths, 5 kg packs

Specifications

• Alloy Type: Low alloyed steel (2.5 % Cr, 1.0 % Mo)
• Shielding Gas: I1 (EN ISO 14175)
• Classifications: EN ISO 21952‑A, EN ISO 21952‑B, SFA/AWS A5.28
• Approvals: VdTÜV 11884
• Yield Strength: 530–550 MPa (depending on heat treatment)
• Tensile Strength: 640–655 MPa
• Elongation: 24 %
• Impact Value: 120–190 J at 20 °C

Applications

• GTAW of creep‑resistant steels for pipes, pressure vessels, and boilers
• Welding low‑alloy high‑strength steels with yield strength < 400 MPa
• High‑temperature service up to 600 °C