Hey Blue,
Before I went back for the metallurgy degree, I was Chief Chemist at ABEX AMSCO foundry in Denver. We made Hadfield's steel and high chrome white iron castings for RR frogs and ore crushers. My job was to grab a fresh hot sample ingot, make chips with a big drill press, dissolve them in acids, and run wet chemistry while they waited with the furnace loads for the results. Chrome, manganese, moly, nickel, silicon, carbon, sulfur. I got the Cr, Mn, carbon while they waited. Took about 15 min. The other elements were done later. Then after we made and poured about 5 to 10 heats, i had to run chemistries on the final bars for all of them. Later, we got an emission spec. I started at 9pm and got out around 6 to 9am. Electric arc furnaces.