Quote:
Originally Posted by Dave Suponski
If frames were through hardened they would not be able to withstand the repeated pounding they take upon firing without suffering failures ie:cracking.
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So, if the subsurface steel is still somewhat malleable in order to withstand this repeated pounding, does the case-hardened .010" - .015" surface eventually crack from this repeated pounding, if only microscopically? It seems to me that it should crack or craze due to the fact that the softer steel beneath the surface is flexing to some degree.