... .Cr12Mo1V1, D2, 1.2379, SKD11 D2 Cold Working Die High Speed SteelSteel Grade: Cr12Mo1V1, D2, 1.2379, SKD11Chemical Composition(%)CSiMnCrVP ... for pressing mold, cutting knife, or mold, thread rolling dies and ceramic mold in bulk production.Typical Applications:Blanking ... . Prior to nitriding or PVD treatment, double temper at or above the process temperature D2 Cold Working Die High Speed Steel