4.0MM Supercast Ultima Cast Iron Arc Rods

A pure nickel arc/MMA electrode for welding grey cast iron, malleable iron, cast iron and for welding on fatigued casted parts. For rectification of castings. Supercast Ultima gives perfect welding results, even with low amperages. The arc is smooth and intensive, with low spatter for easy removal of slag.


  • Supercast Ultima
  • 4.0mm x 350mm
  • 1kg Tube
  • 100-130 Amps
  • 165 HB Hardness (±10%)
  • 450N/mm² Tensile Strength
  • 5% Elongation
  • AC/DC(+) Current

Why Superon?

The extensive range of Superon arc welding electrodes are manufactured in India and offer many great features at exceptional value:

  • Stronger Arc Force
  • Better Penetration
  • Higher Strength Joints
  • No Cracking/Defects
  • Improved Fluidity Control
  • Faster Welding
  • Less Spatter
  • Best-In-Class Slag Removal
  • X-Ray Quality Welding


We are the approved Southwest distributor for many welding brands, and hold a large range of products in stock. Come and visit our showroom.

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Here at Inverter Fusion Ltd, we manufacture our own welding machines, and we service, repair and calibrate machines from any manufacturer. If you need spares or need a machine repaired, our fully trained engineers can help you. Read more here.