New to blacksmithing in Heat Treating, general discussion Posted October 6, 2023 I am wondering if you use motor oil to quench if it all has to the same type or not. Can you use 0w-20 with 30w-40 as a example
New to blacksmithing
in Heat Treating, general discussion
Posted
I am wondering if you use motor oil to quench if it all has to the same type or not. Can you use 0w-20 with 30w-40 as a example