Heat slowly and uniformly to 1,450 deg.F. and
forge thoroughly. Do not under any circumstances attempt to harden
at the forging heat. After cooling from forging reheat to about
1,450 deg.F. and cool slowly so as to remove forging strains.
... Read more of Oil-hardening Steel at Steel Making.ca
Over a, gives it the medium sound; under a, the sound of o,
short; over o, the sound of u, short; under o, the sound;
over g, the soft sound; and under u, the sound of Italian o.