Abstract
ABSTRACTHot stamping was performed with seven novel boron steels, exhibiting various carbon contents and microalloy additions of Mo, V and Ni compared to the standard 22MnB5 boron steel. The lower carbon content of 15MnB5 resulted in total elongation in excess of 11.0%. The higher carbon content of 38MnB5 resulted in ultimate tensile strength in excess of 2000 MPa. The vanadium addition resulted in ultimate tensile strength in excess of 1600 MPa combined with total elongation in excess of 11.0%. The carbon and microalloy additions were concluded to give rise to improved mechanical properties in hot-stamped boron steel for automotive body engineering applications.
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