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Showing results for tags 'oil quench'.
I'm ready to acquire some oil for my first oil quench tank. I'm going to make the tank out of an old fire extinguisher that is ~ 8" round and 22" tall. I will cut the top off and weld a hinged lid on it. Should be a bit over 4 gallons of quenchant. I would like to harden mostly spring steel and 4140 for things like top tools, chisels, punches and spring fullers for the PH. I would also like to try my hand at some blades. What would everybody recommend for the oil. I like the idea of vegetable oils because of the ease of getting them and the less toxic nature of the fumes and disposal, but