strength of B7M bolts? I had tempered them first @700c for 1.5 hrs but
the UTS was only 630MPa,then again tempered them @700c for .5 hrs &
UTS was 662MPa. Hardness is ok-94HRB.
Regards,hari.
--
K Harish Kumar, MTech
Consultant for:
Corrosion Metallurgy
Failure Analysis Surface Coating
Thin Films Vacuum Systems QMS.
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