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3 September, 03:23

The steel 4140 steel contains 0.4% C, however, it shows higher yield strength and ultimate strength than that of the 1045 (0.45% C explain why)

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  1. 3 September, 06:37
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    4140 steel contains 0.4% C having higher yield strength and ultimate strength than the 1045 steel contains 0.45% C

    Explanation:

    we have given 4140 steel contains 0.4% C

    we know here that 4140 steel is low steel alloy, and it have low amount of chromium, manganese etc alloying element

    and these elements which are present in 4140 steel they increase yield strength and ultimate strength of steel

    while in 1045 steel contains 0.45 % c is plain carbon steel

    and it do not contain any alloying element

    so that 4140 steel contains 0.4% C having higher yield strength and ultimate strength than the 1045 steel contains 0.45% C
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