Search found 2 matches
Search found 2 matches • Page 1 of 1
- November 20th, 2018, 12:48 pm
- Forum: Modifications, Fixes, and Repairs
- Topic: Safety Tempering
- Replies: 26
- Views: 1815
Sparks. That is an old toolmakers trick. It works when you have only 3 or 4 steels in your shop and you can compare sparks. Won't work cold turkey as a good identifier of material. I am not a gunsmith but I am a aerospace manufacturing engineer with 40 years experience in heat treat applications. In...