OK Flux 10.74

OK Flux 10.74 is an agglomerated aluminate‑basic flux designed for Submerged Arc Welding (SAW), especially for multi‑wire procedures in longitudinal welded line pipes.

Key Features

• Low weld bead profile at high welding speeds
• Suitable for both DC and AC welding of unlimited plate thickness
• Compatible with a wide range of SAW wires for all pipe steels
• Hard‑spot‑free weld metal due to careful metallurgical design
• Available in EcoCoil (1000 kg), BlockPac (25 kg) and BigBag (1000 kg) packaging

Specifications

• Classifications: EN ISO 14174 : S A AB 1 67 AC H5
• Diffusible Hydrogen: max 5 ml/100 g weld metal (Redried flux)
• Slag Type: Aluminate‑basic
• Alloy Transfer: Slightly Silicon and moderately Manganese alloying
• Density: nominal 1.2 kg/dm³
• Basicity Index: nominal 1.4
• Flux Consumption (SAW): 26 V – 0.7 kg (DC+), 0.6 kg (AC); 30 V – 1.0 kg (DC+), 0.9 kg (AC); 34 V – 1.3 kg (DC+), 1.2 kg (AC); 38 V – 1.6 kg (DC+), 1.4 kg (AC)
• Operating Conditions: Ø 4.0 mm, 580 A, Travel Speed 55 cm/min

Applications

• Submerged Arc Welding of longitudinal welded line pipes
• High‑speed pipe production using multi‑wire SAW procedures
• DC and AC welding of various pipe steels
• Situations requiring low bead profile and hard‑spot‑free welds