OK Flux 10.81

OK Flux 10.81 is an agglomerated, aluminate‑rutile, low‑basicity submerged arc welding (SAW) flux designed for high welding speeds and excellent slag detachability.

Key Features

• Provides top‑class surface finish and easy slag removal
• Suitable for pressure vessels, general construction, automotive, beam fabrication and low‑requirement pipeline steels
• Works with single or multi‑wire procedures, DC and AC
• High silicon alloying for limited passes on plates up to ~25 mm
• Available in BlockPac (25 kg), buckets (25 kg) and BigBag (1000 kg) packaging

Specifications

• Classifications: EN ISO 14174 : SAAR 197 AC
• Approvals: CE EN 13479, DB 51.039.04, UKCA EN 13479
• Slag Type: Aluminate‑rutile
• Alloy Transfer: Very high silicon, moderate manganese
• Density: 1.2 kg/dm³ (nominal)
• Basicity Index: 0.6 (nominal)
• 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)
• Conditions: Ø 4.0 mm wire, 580 A, 55 cm/min travel speed

Applications

• Butt welds and concave horizontal fillet welds
• Membrane wall panel fabrication (fine‑grained version)
• Low‑requirement pipeline steels
• General construction and automotive components
• Beam and pressure vessel fabrication