Experimental investigation of cutting tool performance in …
Work material was a rectangular block with dimensions of 300 × 200 × 40 mm 3 and hardness of 62 HRC. Table 3 gives the details of material. Scanning electron microscope (SEM) micrograph of hardened X210 Cr12 steel is shown in Fig. 2.This material is an oil hardening, high carbon/chromium type tool steel with very high wear resistance.