I know it has to be there, because I had to drill some out of a broken-off stud in an exhaust manifold with a carbide cutter today...
Where's the Martensite in your diagram?If I remember right, martensite forms as a result of rapid cooling, and doesn't appear on the "steady state" iron-carbon phase diagram.I know it has to be there, because I had to drill some out of a broken-off stud in an exhaust manifold with a carbide cutter today...
-Eric