1.

Cold working of steel takes place at a temperature below 823°C.(a) True(b) FalseThis question was posed to me in an online interview.The doubt is from Forging Temperatures in division Smithing and Forging of Casting-Forming-Welding II

Answer»

The correct OPTION is (b) False

To elaborate: If the hammering of STEEL has to TAKE place under the TEMPERATURE of 723°C, then this working would be CONSIDERED as cold working. By doing this, one may expect for the occurrence of small hair cracks.



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