Manufacturers and users of steel products generally understand the fundamental metallurgy of conventional low- and high-strength steels. All AHSS are produced by controlling the cooling rate from the austenite or austenite plus ferrite phase, either on the runout table of the hot mill (for hot-rolled products) or in the cooling section of the continuous annealing furnace (continuously annealed or hot-dip coated products).
For more details on the specifics of AHSS metallurgy, 3rd Gen steels and much more, visit the new online AHSS Application Guidelines for a full database of information. See Steel Grades, particularly, to learn more about each automotive steel grade, including common AHSS and new 3rd Gen Steels.