Hi Mike, Lynn, I'm familiar with Casenite and other products available along with the hardening process, and the different types of steel. As I'm not going into production and it's about 20minutes to make these, I find they serve my purpose very well. I Quench in oil first, reheat and then in water. I did about 50 rivets last night and my former has not distorted at all, bearing in mind though, they are not very bug rivets and I use oxy/acet to heat the end so there's not much pressure required to form the head. It is a very interesting topic as I saw a demonstration of quenching in oil then water and then in salt water and the salt water was better than the other two. Obviously is't not a deep process at all but it is better than just MS. I bet this could start a complete new topic and discussion of what different methods people have used.
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