OK 63.35

OK 63.35 is a low‑carbon stainless steel stick electrode (SMAW) with a basic 18Cr12Ni3Mo coating, designed for tough mechanical requirements and good impact toughness.

Key Features

• Basic‑type coating for demanding applications
• Excellent impact toughness down to –120 °C (FN 3‑4) and –196 °C (FN 3‑4)
• VacPac™ hermetically sealed packaging for moisture protection
• Available in three diameters/lengths for varied deposition rates

Specifications

• Classifications: EN ISO 3581‑A : E 19 12 3 L B 2 2, SFA/AWS A5.4 : E316L‑15, Werkstoffnummer 1.4430
• Approvals: ABS (Stainless), CE EN 13479, UKCA EN 13479, VdTÜV 04812
• Welding Current: DC+
• Ferrite Content: FN 3‑8
• Alloy Type: Austenitic CrNi
• Coating Type: Basic
• Tensile (As Welded): Yield 430 MPa, Tensile 560 MPa, Elongation 40 %
• Charpy Impact (As Welded): 95 J @ 20 °C, 75 J @ ‑60 °C, 60 J @ ‑120 °C, 35 J @ ‑196 °C
• Deposition Data:
  • 2.5 mm × 300 mm: 55‑85 A, 24 V, 63 % efficiency, 0.9 kg/h
  • 3.2 mm × 350 mm: 80‑120 A, 24 V, 63 % efficiency, 1.3 kg/h
  • 4.0 mm × 350 mm: 80‑180 A, 24 V, 62 % efficiency, 1.8 kg/h

Applications

• Structural and pressure vessel welding where high impact resistance is required
• Fabrication of equipment operating at cryogenic temperatures
• General stainless‑steel fabrication where flexibility and quality are essential