OK 73.15

OK 73.15 is a basic low‑alloy stick electrode with excellent weldability, ideal for pipe and other demanding applications.

Key Features

• AWS 8018‑C3 H4R classification with ~0.9% Ni alloying
• Low moisture coating (< 4 ml H₂/100 g) for reduced diffusible hydrogen
• Impact test compliant down to –50 °C (90 J) and HIC/SSC certified
• VacPac™ hermetically sealed packaging for moisture‑free storage

Specifications

• Classifications: AWS A5.5 E8018‑C3 H4R, EN ISO 2560‑A E 46 5 1Ni B 4 2 H5
• Approvals: CE EN 13479, DNV‑GL 4 Y46H5, UKCA EN 13479
• Welding Current: DC+ (–)
• Diffusible Hydrogen: < 4.0 ml/100 g
• Alloy Type: Low alloy (0.9 % Ni)
• Coating Type: Basic covering
• Deposition Data (example): 3.2 × 450 mm – 85‑150 A, 22 V, 63 % efficiency, 0.9 kg/h

Applications

• Pipe welding
• Structural steel
• General purpose SMAW for low‑alloy steels