More ideas from Chris
The Spark Test and Spark Testing Metals | Scrap Metal Junkie

The Spark Test and Spark Testing Metals

Chart of junk yard steels. Good information to keep on hand for heat treating / quenching

hey, i saw on a previous post a chart of tool steels and where they are found commonly (drill bits, screwdrivers, files, ect) and i cant find it so does anyo.