ROCKWELL							DPH (VICKERS)	TENSILE STRENGTH	TENSILE STRENGTH
HRC 150 kgf Brale	HRA 60 kgf Brale	30 N 30 kgf Brale	15 N 15 kgf Brale	HRB 60 kgf 1/16" Brale	30 T 30 kgf 1/16" Brale	15 T 15 kgf 1/16" Brale	10 kgf	N/mm2	KPSI
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68.0	85.6	84.4	93.2				940
67.5	85.3	84.0	93.0				920
67.0	85.0	83.6	92.9				900
66.4	84.7	83.1	92.7				880
65.9	84.4	82.7	92.5				860
65.3	84.1	82.2	92.3				840
64.7	83.8	81.7	92.1				820
64.0	83.4	81.1	91.8				800
63.3	83.0	80.4	91.5				780
62.5	82.6	79.7	91.2				760
61.8	82.2	79.1	91.0				740
61.0	81.8	78.4	90.7				720
60.1	81.3	77.6	90.3				700
59.7	81.1	77.2	90.1				690
59.2	80.8	76.8	89.8				680	2448	355
58.8	80.6	76.4	89.7				670	2400	348
58.3	80.3	75.9	89.5				660	2358	342
57.8	80.0	75.5	89.2				650	2317	336
57.3	79.8	75.1	89.0				640	2262	328
56.8	79.5	74.6	88.8				630	2227	323
56.3	79.2	74.2	88.5				620	2207	320
55.7	78.9	73.7	88.2				610	2138	310
55.2	78.6	73.2	88.0				600	2089	303
54.7	78.4	72.7	87.8				590	2055	298
54.1	78.0	72.1	87.5				580	2020	293
53.6	77.8	71.7	87.2				570	1986	288
53.0	77.4	71.2	86.9				560	1952	283
52.3	77.0	70.5	86.6				550	1903	276
51.7	76.7	70.0	86.3				540	1862	270
51.1	76.4	69.5	86.0				530	1827	265
50.5	76.1	69.0	85.7				520	1793	260
49.8	75.7	68.3	85.4				510	1752	254
49.1	75.3	67.7	85.0				500	1703	247
48.4	74.9	67.1	84.7				490	1662	241
47.7	74.5	66.4	84.3				480	1620	235
46.9	74.1	65.7	83.9				470	1572	228
46.1	73.6	64.9	83.6				460	1538	223
45.3	73.3	64.3	83.2				450	1496	217
44.5	72.8	63.5	82.8				440	1462	212
43.6	72.3	62.7	82.3				430	1414	205
42.7	71.8	61.9	81.8				420	1372	199
41.8	71.4	61.1	81.4				410	1331	193
40.8	70.8	60.2	80.8				400	1289	187
39.8	70.3	59.3	80.3				390	1255	182
38.8	69.8	58.4	79.8				380	1220	177
37.7	69.2	57.4	79.2				370	1186	172
36.6	68.7	56.4	78.6				360	1152	167
35.5	68.1	55.4	78.0				350	1096	159
34.4	67.6	54.4	77.4				340	1069	155
33.3	67.0	53.6	76.8				330	1034	150
32.2	66.4	52.3	76.2	(107)			320	1007	146
31.0	65.8	51.3	75.6	(107)			310	979	142
29.8	65.2	50.2	74.9	(105.5)			300	952	138
29.2	64.8	49.7	74.6	(104.5)			295	938	136
28.5	64.5	49.0	74.2	(104)			290	917	133
27.8	64.2	48.4	73.8				285	897	131
27.1	63.8	47.8	73.4	(103)			280	889	129
26.4	63.5	47.2	73.0	(102.5)			275	876	127
25.6	63.1	46.4	72.6	(102)			270	862	124
24.8	62.7	45.7	72.1				265	841	122
24.0	62.4	45.0	71.6	(101)			260	827	120
23.0	62.0	44.2	71.1	100			255	807	117
22.5	61.5	43.4	70.6				250	800	116
21.3	61.2	42.5	70.1	98.5	82.0	93.0	248	781	114
20.3	60.7	41.7	69.6	98.0	81.8	92.5	240	758	110
(18.0)	59.0			97.0	81.1	92.1	230	717	104
(17.0)	58.9			96.0	80.4	91.8	222	703	102
(15.7)	58.3			95.0	79.8	91.5	218	689	100
(14.3)	57.6			94.0	79.1	91.2	213	676	98
(13.0)	57.0			93.0	78.4	90.8	207	662	96
(11.7)	56.4			92.0	77.8	90.5	204	648	94
(10.2)	55.8			91.0	77.1	90.2	196	620	90
(9.2)	55.2			90.0	76.4	89.9	188	600	87
(8.0)	54.6			89.0	75.8	89.5	184	593	86
(6.9)	54.0			88.0	75.1	89.2	180	579	84
(5.8)	53.4			87.0	74.4	88.9	177	565	82
(4.7)	52.8			86.0	73.8	88.6	173	552	80
(3.6)	52.3			85.0	73.1	88.2	169	545	79