Cold rolled steel sheets contain carbon of the following order___________________?

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The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is _______________?

A. 770°C B. 910°C C. 1050°C D. below recrystallisation temperature E. above recrystallization temperature...

Depth of hardness of steel is increased by addition of_________________?

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The surface hardness of the following order is achieved by nitriding operation__________________?

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Connecting rod is usually made of_________________?

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If a refractory contains high content of silicon, it means refractory is__________________?

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