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7 January, 14:27

Hot rolled steel is generallythan cold drawn steel stronger b) weaker c. more fatigue tolerant d. tougher ar ield streneth 350 MPa and ultimate

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  1. 7 January, 18:12
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    b) weaker

    Explanation:

    Hot rolled steel is generally weaker than the cold drawn steel. The yielding stress of cold rolled steel is higher than than hot rolled steel. At the same time the crystal structure remain the same in cold rolled steel. Giving it a better surface finish and closer tolerances. The strength and hardness of a cold roll steel is higher than the hot rolled steel
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