Does my steel need re hardening Quenching tempering etc after being under the grinder for hours to cut through it never had such hard steel to cut lol5mm plate
Used steel bosh blade and 1mm cut disk and a 3mm cut disk
it’s a high carbon steel ,red sparks and few of them. was a saw bench made from an m.o.d truck in a barn
now making it into garden tools and akitchen cleaver
sorry I thaight it two separate issues as other was regards the welder issue and this was a question from grinding metal and hardening etc didn’t want to confuse two subjects my bad