WELDING & CUTTING
India
 
Home > Products > Reclamation Consumables > Cast Iron Electrodes > OK Selectrode 92.18
 
 
 
 
OK 92.18
 
State-of-the-Art Fail-Safe Cast Iron Electrode
OK Selectrode 92.18 is the latest generation low heat electrode for most fail-safe welding of cast iron. It deposits an extremely soft and ductile weld metal. The weld metal has very high crack-resistance and easy machinability. The welding arc is smooth, stable and with a controlled penetration to ensure reduced base metal dilution.
 
ALLOY BASE
Ni, Si, Fe
 
SPECIAL FEATURES
  • Superb slag detachability
  • Excellent weld bead appearance
  • Preheat is seldom necessary
APPLICATIONS
Ductile repairs and build-up of cast iron components, salvaging of casting defects like blowholes, pit marks & scratches, reclaiming gears and pulleys, water pump housings, cylinder blocks, lathe beds. Buttering cast iron sections before joining with iron-nickel alloy consumables.
 
PROPERTIES
UTS : 36-38 kg / mm2
 
WELDING PROCEDURE
  • Welding area should be cleaned of scales, grease, oil impurities and dirt
  • Cracks should be absolutely removed by gouging or cutting with OK Selectrode 21.03
  • Welding should be done in stringer beads / skip welding/ backstep welding
  • When welding thick sections, preheating upto 150 - 200°C will keep the weld more ductile
  • Reinforcing studs should be used when the volume of weld metal required is more
  • Light peening of the weld metal is advisable at hot stage to minimize shrinkage stresses
CURRENT RANGE : (AC 50, DC+/-)
 
Size (mm) Length (mm) Current Range (Amp)
3.20 350 90-140
4.00 350 110-170
 
 
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