OK Tubrodur 40 S M

OK Tubrodur 40 S M is a tubular hardfacing wire designed for rebuilding and surfacing applications using the submerged arc welding (SAW) process.

Key Features

• Martensitic steel weld metal for high wear resistance
• Available in 3.0 mm and 4.0 mm diameters
• Suitable for DC+ welding current
• Classified under EN 14700 : T Z Fe1

Specifications

• Classifications: EN 14700 : T Z Fe1
• Welding Current: DC+
• Alloy Type: Martensitic steel weld metal
• Typical Weld Metal Analysis (%): C 0.15, Mn 1.14, Si 0.51, Cr 4.07, Mo 0.77
• Deposition Data:
  • 3.0 mm: 400‑700 A, 28‑36 V, 2.5‑5.5 m/min, 5.5‑12.0 kg/h
  • 4.0 mm: 500‑900 A, 28‑34 V, 2.0‑5.0 m/min, 6.5‑12.5 kg/h

Applications

• Hardfacing for wear‑critical components
• Rebuilding of machine parts
• Surface overlay in industrial environments