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Introduction to Forging

Hot die steel...

Question

Hot die steel, used for large solid dies in drop forging, should necessarily have

A

high strength and high copper content

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B

high hardness and low hardenability

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C

high toughness and low thermal conductivity

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D

high hardness and high thermal conductivity

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Solution

The correct option is C high toughness and low thermal conductivity
Hot die steel, used for large solid dies in drop forging, should necessarily have high toughness and low thermal conductivity

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