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A part is made from 1212 HR steel. 1.If it undergoes a 10% cold work operation, estimate the new yield strength and ultimate strength. 2.If its yield strength is expected to be increased to 75kpsi, how much cold work shall be done

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Answer:

1 ) The new yield strength is 64.1 kpsi

The ultimate strength is 68,3 kpsi

2) Expected cold work to be done is 69 kpsi

Explanation:

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