Transactions, Volume 172

alloy steels alloying elements aluminum annealing as-quenched atmosphere austenite austenite grain average bainite bath blast furnace boron breaking stress burnt city gas calculated carbide carbon content carbon monoxide carburizing cast steels chromium cobalt coke combustion composition concentration cooling rate decarburization decrease deoxidation determined diameter effect electromotive force equilibrium etching experimental factor curves ferrite Ferroboron Ferroboron 0.30 flow fracture Ft-lb gases half-temperature hardenability hearth heat heat-treatment INCH increase indicated ingot iron Izod impact strength Jominy lime lower manganese martensite metal method molybdenum notch obtained operation oxide oxygen particles pct carbon steel pearlite perature phosphorus plastic deformation plate plotted pressure range ratio reaction reduction Rockwell C Hardness room temperature samples shown in Fig silicon SiO2 slag solution specimens sponge iron surface Table tempered hardness tempering temperature tensile strength tests tion titanium Trans ture values vanadium variation yield point