OK 76.26

OK 76.26 is a basic AC/DC covered stick electrode designed for welding creep‑resisting low‑alloy steels (2.25 % Cr / 1 % Mo) with low impurity levels for step‑cooling applications.

Key Features

• Basic covering for AC and DC+ welding currents
• Low diffusible hydrogen (< 5 ml/100 g)
• Vacuum‑packed (VacPac™) packaging provides moisture‑free electrodes straight from the pack
• Suitable for creep‑resisting steels requiring low impurity weld metal

Specifications

• Classifications: SFA/AWS A5.5 E9018‑B3; EN ISO 3580‑A E CrMo2 B 32 H5
• Approvals: CE EN 13479; NAKS/HAKC 2.5‑5.0 mm; VdTÜV 10732
• Welding Current: AC, DC+
• Coating Type: Basic covering
• Alloy Type: Low alloy (2.25 % Cr, 1.1 % Mo)
• Diffusible Hydrogen: < 5.0 ml/100 g
• Min AC OCV: 65 V
• Tensile Strength: 740 MPa (Yield 650 MPa) – ISO stress‑relieved 1 h @ 690 °C
• Charpy Impact: 60 J at –20 °C (PWHT 1 h @ 690 °C)
• Typical Weld Metal Analysis (%): C 0.07, Mn 0.69, Si 0.23, Cr 2.17
• Deposition Data (example 4 mm × 450 mm): 130‑190 A, 25 V, 61 % efficiency, 0.76 kg/h

Applications

• Welding of low‑alloy, creep‑resisting steels
• Projects requiring step‑cooling weld procedures
• Industrial fabrication where moisture‑free electrodes are critical