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30msv6

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mali325

mali325

Materials
Joined
May 20, 2006
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dear sirs
one of microalloyed steels is 30msv6(according to pegeot standar).Recommended heat treatmet for yield(Min.580n/mm^2) and tensile is as followinh:
heating: 1100-1200o/C----> still in air

what means still in air?( is it important to know cooling rate)

Best regards
 
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Still air means no movement/circulation/velocity. If there is no cooling rate specified in the standard, then it is not important. Accelerated cooling by fan or other means is not recommended.
 
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Dear sirs
Thank you for your answere,but Is it possible to have following mechanical properties for this steel grade when it cool in still air:
Yield point:Min. 580N/mm^2
Tensile:850-1000N/mm^

Best Regards
 
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For 30MSV6, the properties you mention will not be obtained by austenization and still air quench only, some tempering will be required.
 
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dear yates,
I think,your idea is that mentioned properties made in quenched in oil and then tempering.
 
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