OK 63.80

OK 63.80 is an acid‑rutile covered MMA electrode designed for welding Nb‑ or Ti‑stabilized stainless steels of the CrNiMo 18‑12‑3 type.

Key Features

• Acid rutile coating provides easy arc starting and smooth weld bead.
• Suitable for welding Nb‑ or Ti‑stabilized austenitic stainless steels (1.4576).
• VacPac hermetically sealed packaging protects electrodes from moisture.
• Versatile for DC+ and AC welding where flexibility is required.

Specifications

• Welding Current: DC+, AC
• Coating Type: Acid Rutile
• Ferrite Content: FN 6‑12
• Alloy Type: Austenitic CrNi
• Min AC Open Circuit Voltage: 50 V
• Yield Strength (As Welded): 507 MPa
• Tensile Strength (As Welded): 614 MPa
• Elongation: 38 %
• Typical Weld Metal Analysis (%): C 0.02, Mn 0.6, Si 0.8, Ni 11.5, Cr 18.2, Mo 2.9, N 0.08, Nb 0.31, FN 7
• Deposition Data (example 2.0 × 300 mm): 45‑65 A, 29 V, 56 % efficiency, 0.8 kg/h

Applications

• Welding of Nb‑ or Ti‑stabilized austenitic stainless steels.
• Projects requiring corrosion‑resistant welds.
• Situations where covered electrodes offer flexibility over newer processes.