OK 61.25

OK 61.25 is a basic coated stainless steel stick electrode (308H-type) designed for high‑temperature SMAW applications.

Key Features

• Basic coated (E 19 9 H B 22) suitable for high‑temperature welding
• ESAB VacPac™ hermetically sealed packaging protects against moisture
• Available in three diameters with corresponding amperage ranges
• High corrosion resistance and consistent weld quality

Specifications

• Classifications: EN ISO 3581‑A : E 19 9 H B 22; SFA/AWS A5.4 : E308H‑15
• Welding Current: DC+
• Ferrite Content: FN 2‑5
• Alloy Type: Austenitic CrNi
• Coating Type: Basic
• Tensile (As Welded): Yield 430 MPa, Tensile 600 MPa, Elongation 45 %
• Tensile (PWHT): Yield 300 MPa, Tensile 570 MPa, Elongation 45 %
• Charpy Impact: 95 J at 20 °C (as welded), 100 J after PWHT, 83 J at –18 °C, 67 J at –40 °C
• Typical Weld Metal Analysis: C 0.06 %, Mn 1.7 %, Si 0.3 %, Ni 9.8 %, Cr 18.8 %, N 0.06 %, FN WRC‑92 4

Applications

• High‑temperature stainless steel structures
• Pipe and pressure vessel fabrication
• General stainless steel repair and construction
• Projects requiring flexible SMAW process