Why should the temperature extremes a weld will be seeing in service be important to the selection of a filler metal for a weld?
A) Some welding electrodes produce more heat than is needed to make a weld if the metal is very cold.
B) Some metals become very brittle and crack easily at low temperatures.
C) Some arc welding electrodes will not hold an arc if the metal is too cold.
D) None of the above
Correct Answer:
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