WELDING & CUTTING
India
 
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FERROLOID 3
 
Strength Joints in Grey and Nodular Cast Iron
A nickel-alloyed machinable electrode for welding and repairing of all cast irons. The electrode deposits a high strength weld metal combined with good toughness of the weld joint, thus making it suitable for joining cast iron to mild steel.
 
ALLOY BASE
Ni, Fe, Si
 
SPECIAL FEATURES
  • Strength joints with low heat
  • Good machinability
  • Slag easily detachable
SPECIFICATION
AWS 5.15 : E NiFe-CI
 
APPLICATIONS
Joining of cast iron components, welding of cast iron to steel, rectification and build-up of defective castings giving good colour matching. Repairing of complicated and crack sensitive castings involving hydrostatic pressure and dissimilar thickness, heavy sections and joints under restraint such as pumps, differential housing, cast iron dies etc.
 
PROPERTIES
UTS : 37-43 kg / mm2
 
WELDING PROCEDURE
  • Clean the weld area of all scales, grease and dirt
  • The smallest possible electrode diameter and thelowest possible current should be used
  • Skip welding sequence may be used
  • When welding thick sections and malleable irons, preheating to about 250-300°C is advisable to minimize the shrinkage stresses and cracking
  • On completion the casting should be allowed to cool slowly
CURRENT RANGE : (AC 50, DC+/-)
 
Size (mm) Length (mm) Current Range (Amp)
3.15 350 65-95
4.00 350 85-115
5.00 350 140-160
 
 
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