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100
forge welding was invented
made the iron pillar in 310 bc -
Electrical ark
InSir Humphrey Davy discovered the electrical arc -
welding with electic ark
vestely petrol came up with the idea to weld with the electric ark -
Welding was invented
Thermite was the first welding invented -
Period: to
welding
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thermite welding
oxy fuel welding -
stud welding
stud welding became popular in bulding ships and submerines -
flexcore was invented
is a coating that goes around a electrode -
underwater welding
konstantink kherval created the underwater electrical ark -
gas metal ark welding
like plasma torch -
electric beam welding
deep narrow welding -
3 phase welding
valdimere metkivich, came up with the idea to use three phase welding