what is the properties of hot and cold
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In terms of physical characteristics, cold rolled steels are typically harder and stronger than standard hot rolled steels. As the metal is shaped at the lower temperatures, the steel's hardness, resistance against tension breaking, and resistance against deformation are all increased due to work hardening.
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HOT*
if the molecules of any substance is moving freely with rapid speed then that substance can be said as HOT.
COLD*
If the molecules of any substance are too static and have a strong bond b/w the molecules then that substance can be said as COLD.
if the molecules of any substance is moving freely with rapid speed then that substance can be said as HOT.
COLD*
If the molecules of any substance are too static and have a strong bond b/w the molecules then that substance can be said as COLD.
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