Microstructure and Hardness of Cold Work Vanadis 6 Steel after Subzero Treatment at −140°C

Table 1

Amount of retained austenite (vol. %) in the SZT samples for various soaking times (h).

SZT (h)	No-SZT	4	10	17	24	36	48
γR amount (vol. %)	20.2	3.94	4.64	4.25	4.16	3.6	3.24