Anupam Kansal <[email protected]> wrote: > Well not sure of that ... I have seen that thing being done on my old Maruti > 800... and nothing ever gave way ... > Metallurgically I agree what you are saying will hold true if the metal is > allowed to cool slowly (similar to annealing that is used to soften metal), > instead if you cool the metal rapidly it hardens (similar to Tempering that > hardens the metals). > > So what I have seen these guys do is cool the hot metal by dipping in water > or spraying it with water. >
The process you have described is called quenching. Well if done well it does harden the metal. But if not done well it causes undue stresses within the steel structure than can lead to undue failure. But for this the temperatures attained should be reasonably high (atleast red-hot). Cheers, Glifford.
