Table 5.

Results of hardness measurement in test.

Zone	Points	Z (mm)	HV0.1	HRc
	1	2.925	209	14.7
	2	2.425	210	14.3
	3	1.925	215	15.7
	4	1.425	201	13.1
	5	0.925	217	16.3
	6	0.425	215	15.8
	7	0.325	216	15.9
	8	0.225	208	14.5
	9	0.125	195	11.9
	10	0.025	350	35.5
	11	−0.025	443	44.7
	12	−0.125	465	46.5
	13	−0.225	333	33.6
	14	−0.325	276	26.6
	15	−0.425	231	18.6
	16	−0.525	226	17.8
	17	−0.625	265	24.8
	18	−0.725	224	17.5
	19	−1.225	269	25.4
	20	−1.725	224	17.5
	21	−2.225	225	17.6