TOKO Submerged Arc Welding (SAW) Flux

HJ260 High-Speed Fused Flux

High-performance fused flux optimized for high-current, high-speed welding of carbon steel.
Excellent slag detachability, stable arc, and insensitivity to rust and mill scale – engineered for automotive, railway, and heavy fabrication.

✅ AWS A5.17 Compliant ✅ Low Hydrogen ≤5ml/100g ✅ AC / DC Compatible ✅ High-Speed Welding ✅ Insensitive to Rust & Mill Scale
TOKO HJ260 high-speed fused submerged arc welding flux

HJ260 High-Speed Fused Flux

Optimized for high-current, high-speed automated welding

TOKO HJ260 is a fused type submerged arc welding flux specifically designed for high-productivity welding of carbon steel, automotive frames, and railway components. Its unique formulation provides exceptional arc stability at high currents, rapid slag detachment, and remarkable tolerance to surface contaminants like rust and mill scale, making it a reliable partner for automated welding lines and mass production.

  • Low hydrogen content (≤5ml/100g)
  • High-speed, high-current capability
  • Excellent slag detachability
  • Insensitive to rust and mill scale
  • Stable arc & smooth bead appearance
  • Cost-effective for mass production
📄 Download Datasheet Request a Quote
Type Fused
Basicity 1.2 – 1.8
Hydrogen Content ≤5 ml/100g
Matching Wire AWS A5.17 EM12K
Current Type AC / DC
Impact Temp. -20°C

🔧 Technical Properties

  • Flux Type Fused (neutral)
  • Grain Size 10 – 60 mesh
  • Bulk Density 1.3 – 1.5 g/cm³
  • Moisture Content ≤0.10%
  • Phosphorus (P) ≤0.040%
  • Sulfur (S) ≤0.030%
  • Recommended Preheating 100 – 150°C (as required)

⚙️ Welding Parameters

  • Current Range 500 – 1500 A
  • Voltage Range 28 – 46 V
  • Travel Speed 30 – 100 cm/min
  • Wire Diameter 2.4 – 5.0 mm
  • Heat Input 2.0 – 5.0 kJ/mm
  • Electrode Extension 25 – 40 mm
  • Joint Type Butt, Fillet, Lap

🏗️ Key Applications

🚗 Automotive Frames & Components
🚆 Railway & Rolling Stock
🏗️ Heavy Structural Steel
🏭 Heavy Machinery & Equipment
🛢️ Storage Tanks & Pressure Vessels
⚙️ General Carbon Steel Fabrication
ISO 9001:2015
AWS A5.17 / A5.23
ASME Section IX
DNV · ABS · LR Approved
Low Hydrogen & Moisture Control

📄 Technical Documents & Support

Download the HJ260 datasheet, safety data sheet, or request WPS support from our welding engineers.

📞 For bulk orders, custom formulations, or technical consultation, contact us at office@tokoc.com or call (+86) 510-8359 5138.