Question

name the metals which need cold working before hot working it..plz hurry up​

Answer 1

Answer:

Cold working or cold forming is any metalworking process in which metal is shaped below its recrystallization temperature,

Answer 2

Answer:

cold working is the plastic deformation of metals below the recrystilization temperature . In most causes such cold forming is done at room temperature.

hot working refers to process where metals are plastically deformed above their recrystilization temperature.

hope it help u