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Hardness Conversion Table (second page)

RA 60 Brale	RB 100 1/16”	RC 150 Brale	RE 100 1/8”	R15T 1/16”	R30T 1/16”	R45T 1/16”	HB 500 10mm	HB 3000 10mm	HV Diamond Pyramid	Knoop
55.5	90	9	-	90	76	62.5	157	185	192	201
55	89	8	-	89.5	75.5	61.5	154	180	188	196
54	88	7	-	89.3	75	60.5	151	176	184	192
53.5	87	6	-	89	74.5	59.5	148	172	180	188
53	86	5	-	88.5	74	58.5	145	169	176	184
52.5	85	4	-	88.3	73.5	58	142	165	172	180
52	84	3	-	88	73	57	140	162	168	176
51	83	2	-	87.5	72	56	137	159	164	173
50.5	82	1	-	87.3	71.5	55	135	156	160	170
50	81	-	-	87	71	54	133	153	156	167
49.5	80	-	-	86.5	70	53	130	150	152	164
49	79	-	-	86.3	69.5	52	128	147	148	161
48.5	78	-	-	86	68	51	126	144	144	158
48	77	-	-	85.5	68	50	124	141	141	155
47	76	-	-	85.3	67.5	49	122	139	139	152
46.5	75	-	-	85	67	48.5	120	137	137	150
46	74	-	-	84.8	66	47.5	118	135	135	147
45.5	73	-	-	84.5	65.5	46.5	116	132	132	145
45	72	-	-	84	65	45.5	114	130	130	143
44.5	71	-	100	83.8	64	44.5	112	127	127	141
RA 60 Brale	RB 100 1/16”	RC 150 Brale	RE 100 1/8”	R15T 1/16”	R30T 1/16”	R45T 1/16”	HB 500 10mm	HB 3000 10mm	HV Diamond Pyramid	Knoop
44	70	-	99.5	83.5	63.5	43.5	110	125	125	139
43.5	69	-	99	83	62.5	42.5	109	123	123	137
43	68	-	98	82.8	62	41.5	107	121	120	135
42.5	67	-	97.5	82.5	61.5	40.5	106	119	118	133
42	66	-	97	82	60.5	39.5	104	117	116	131
41.8	65	-	96	81.8	60	38.5	102	116	115	129
41.5	64	-	95.5	81.5	59.5	37.5	101	114	114	127
41	63	-	95	81	58.5	36.5	99	112	113	126
40.5	62	-	94.5	80.8	58	35.5	98	110	112	124
40	61	-	93.5	80.5	57	34.5	96	108	111	122
39.5	60	-	93	80.3	56.5	33.5	95	107	110	120
39	59	-	92.5	80	56	32	94	106	108	118
38.5	58	-	92	79.5	55	31	92	104	107	117
38	57	-	91	79.3	54.5	30	91	102	106	115
37.8	56	-	90.5	79	54	29	90	101	105	114
37.5	55	-	90	78.5	53	28	89	99	104	112
37	54	-	89.5	78.3	52.5	27	87	-	103	111
36.5	53	-	89	78	51.5	26	86	-	102	110
36	52	-	88	77.5	51	25	85	-	101	109
35.5	51	-	87.5	77.3	50.5	24	84	-	100	108
35	50	-	87	77	49.5	23	83	-	100	107
RA 60 Brale	RB 100 1/16”	RC 150 Brale	RE 100 1/8”	R15T 1/16”	R30T 1/16”	R45T 1/16”	HB 500 10mm	HB 3000 10mm	HV Diamond Pyramid	Knoop
34.8	49	-	86.5	76.5	49	22	82	-	99	106
34.5	48	-	85.5	76.3	48.5	20.5	81	-	98	105
34	47	-	85	76	47.5	19.5	80	-	97	104
33.5	46	-	84.5	75.5	47	18.5	79.5	-	96	103
33	45	-	84	75.3	46	17.5	79	-	95	102
32.5	44	-	83.5	75	45.5	16.5	78	-	95	101
32	43	-	82.5	74.5	45	15.5	77	-	94	100
31.5	42	-	82	74.3	44	14.5	76	-	93	99
31	41	-	81.5	74	43.5	13.5	75	-	92	98
30.8	40	-	81	73.5	43	12.5	74.5	-	91	97
30.5	39	-	80	73.3	42	11	74	-	90	96
30	38	-	79.5	73	41.5	10	73	-	90	95
29.5	37	-	79	72.5	40.5	9	72	-	89	94
29	36	-	78.5	72.3	40	8	71.5	-	88	93
28.5	35	-	78	72	39.5	7	71	-	88	-
28	34	-	77	71.5	38.5	6	70	-	87	-
27.8	33	-	76.5	71.3	38	5	69	-	87	-
27.5	32	-	76	71	37.5	4	68.5	-	86	-
27	31	-	75.5	70.8	36.5	3	68	-	86	-
26.5	30	-	75	70.5	36	2	67	-	85	-
26	29	-	74	70	35.5	1	66.5	-	85	-
RA 60 Brale	RB 100 1/16”	RC 150 Brale	RE 100 1/8”	R15T 1/16”	R30T 1/16”	R45T 1/16”	HB 500 10mm	HB 3000 10mm	HV Diamond Pyramid	Knoop
25.5	28	-	73.5	69.8	34.5	-	66	-	84	-
25	27	-	73	69.5	34	-	65.5	-	84	-
24.5	26	-	72.5	69	33	-	65	-	83	-
24.3	25	-	72	68.8	32.5	-	64	-	83	-
24	24	-	71	68.5	32	-	63.5	-	82	-
23.5	23	-	70.5	68	31	-	63	-	82	-
23	22	-	70	67.8	30.5	-	62.5	-	81	-
22.5	21	-	69.5	67.5	29.5	-	62	-	81	-
22	20	-	68.5	67.3	29	-	61.5	-	80	-
21.5	19	-	68	67	28.5	-	61	-	80	-
21.3	18	-	67.5	66.5	27.5	-	60.5	-	79	-
21	17	-	67	66.3	27	-	60	-	79	-
20.5	16	-	66.5	66	26	-	59.5	-	78	-
20	15	-	65.5	65.5	25.5	-	59	-	78	-
-	14	-	65	65.3	25	-	58.5	-	77	-
-	13	-	64.5	65	24	-	58	-	77	-
-	12	-	64	64.5	23.5	-	57.7	-	76	-
-	11	-	63.5	64.3	23	-	57.3	-	76	-
-	10	-	62.5	64	22	-	57	-	75	-
-	9	-	62	63.8	21.5	-	56.7	-	75	-
-	8	-	61.5	63.5	20.5	-	56.3	-	74	-
-	7	-	61	63	20	-	56	-	74	-
-	6	-	60.5	62.8	19.5	-	55.5	-	73	-
-	5	-	60	62.5	18.5	-	55	-	73	-
-	4	-	59	62	18	-	54.7	-	72	-
-	3	-	58.5	61.8	17	-	54.3	-	72	-
-	2	-	58	61.5	16.5	-	54	-	71	-
-	1	-	57.5	61	16	-	53.5	-	71	-
-	-	-	57	60.8	15	-	53	-	70	-
RA 60 Brale	RB 100 1/16”	RC 150 Brale	RE 100 1/8”	R15T 1/16”	R30T 1/16”	R45T 1/16”	HB 500 10mm	HB 3000 10mm	HV Diamond Pyramid	Knoop

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Hardness Conversion Table (second page)

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