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<p>[QUOTE="dcarr, post: 2665366, member: 4781"]I use "A2" formula tool steel. The "A" indicates that is suitable for quenching in air, although I keep the dis packed in graphite while I cool them down from the heat-treating. Prior to the treatment, the steel is about 20 on the Rockwell hardness scale. After the heat-treating, it is about 60. If less than about 50 or so throughout the core of the die shank, the die will crush under the stress of striking.</p><p><br /></p><p>The clashing process is simple. Just press the strike buttons on the coin press when there is no planchet (silver dollar) in there between the dies. These Morgan dies did not crack even though I tried to get them to do that. I have had other dies crack when clashed, but not these.[/QUOTE]</p><p><br /></p>
[QUOTE="dcarr, post: 2665366, member: 4781"]I use "A2" formula tool steel. The "A" indicates that is suitable for quenching in air, although I keep the dis packed in graphite while I cool them down from the heat-treating. Prior to the treatment, the steel is about 20 on the Rockwell hardness scale. After the heat-treating, it is about 60. If less than about 50 or so throughout the core of the die shank, the die will crush under the stress of striking. The clashing process is simple. Just press the strike buttons on the coin press when there is no planchet (silver dollar) in there between the dies. These Morgan dies did not crack even though I tried to get them to do that. I have had other dies crack when clashed, but not these.[/QUOTE]
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