Describe the two recommended procedures to be observed for arc welding tool steel.

What will be an ideal response?


In arc welding tool steels, one of the following procedures should be observed:


Anneal the parts, preheat and weld with a proper electrode, and then heat treat to restore the original properties to the metal.


Preheat the parts and deposit one or more layers on the kerf surfaces of the joint with a covered electrode before depositing the weld beads that tie the joint together. These procedures dilute the carbon content, and the surfaces of the joint can then be more readily welded together.

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