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A major factor contributing to the difficulty of welding cast iron
is its lack of ductility. If cast irons are loaded beyond their yield
points, they break rather than deform to any significant extent. Weld
filler metal and part configuration should therefore be selected to
minimise welding stresses.
MMA, flux cored arc, MIG, TIG and gas welding processes are
normally used with nickel-based welding consumables to produce
high-quality welds, but cast iron and steel electrodes can also
produce satisfactory welds in certain alloys.
using MMA, flux core arc welding, MIG,TIG and Gas welding process can be perfect welding quality for cast iron
SMAW IS A GOOD TECHNIQUE FOR CAST IRON.
for sound quality weld SMAW shoudl be used !!minimised stress and defects
Shield Metal Arc Welding, also knows as SMAW has been proven to be the best welding process to weld cast iron with minized stress and defects.
arc welding, carbon-arc welding, oxyfuel gas welding, flux-cored arc welding, gas metal arc welding.
Tig wilding and Arc Wilden....
nickel based arc welding will give high qulaity of welding and low crack on welding,
based on my experience as a welder for 10 years, in order to have a good quality of weld - for a Cast iron metal is an arc welding or SMAW Welding -is a kind of metal that need more prepation in order to have a a high quality of weld (like surface cleaning, preheat etc.).
