>Does anyone here use H13 for tooling, a local supplier reccomended it above >s1 as a good hot work tool steel, Ive heard of it being used before but >wondered what its like for slitting chisels etc. > h13 is the very best for hot cutting. i just forge it to shape then re heat and let air cool. i don't temper but think some here have said that they do. i haven't had any problem. bob