OK Flux 10.63

OK Flux 10.63 is an agglomerated fluoride‑basic flux for Submerged Arc Welding (SAW), designed for multi‑run welding of creep‑resistant Cr‑, Mo‑alloyed steels where high toughness is required.

Key Features

• Low impurity level for exceptionally clean weld metal
• Suitable for narrow‑gap and multi‑layer welding of unlimited plate thickness
• Operates optimally at the lower end of the voltage range
• Compatible with both DC and AC currents and single or multi‑wire procedures
• Available in BlockPac (25 kg), bucket (25 kg) and BigBag (1000 kg) packaging for moisture‑free storage

Specifications

• Classifications: EN ISO 14174 : S A FB 1 55 AC H5
• Diffusible Hydrogen: max 5 ml/100 g weld metal (redried flux)
• Slag Type: Fluoride‑basic
• Density: nominal 1.1 kg/dm³
• Basicity Index: nominal 3.0
• Voltage & Weight (per 4 mm wire, Ø 4.0 mm, 580 A, 55 cm/min travel)
  • 26 V – DC+ 0.7 kg / AC 0.6 kg
  • 30 V – DC+ 1.0 kg / AC 0.9 kg
  • 34 V – DC+ 1.3 kg / AC 1.2 kg
  • 38 V – DC+ 1.6 kg / AC 1.4 kg

Applications

• Petrochemical and chemical industry pipelines
• Power generation equipment
• Pressure vessels and high‑pressure components
• Narrow‑gap and multi‑layer welds on creep‑resistant steels