TABELAS DE EQUIVALÊNCIA DAS DIVERSAS ESCALAS DE DUREZA CONFORME NORMA SAE J-417, PARA AÇOS
Dureza	Dureza Brinell		Dureza Rockwell			Dureza Rockwell				Resistência a tração
Vickers	Carga de 3.000Kg					Superficial
	Esfera de 10 mm								Dureza
	Esfera de	Esfera de	Escala A	Escala B	Escala C	Escala 15N	Escala 30N	Escala 45N	Shore	KSI	Kg/mm²
	aço	tungstênio
940			85.6		68	93.2	84.4	75.4	97
920			85.3		67.5	93	84	74.8	96
900			85		67	92.9	83.6	74.2	95
880			84.7		66.4	92.7	83.1	73.6	93
860			84.4		65.9	92.5	82.7	73.1	92
840			84.1		65.3	92.3	82.2	72.2	91
820			83.8		64.7	92.1	81.7	71.8	90
800			83.4		64	91.8	81.1	71	88
780			83		63.3	91.5	80.4	70.2	87
760			82.6		62.5	91.2	79.7	69.4	86
740			82.2		61.8	91	79.1	68.6	84
720			81.8		61	90.7	78.4	67.7	83
700		615	81.3		60.1	90.3	77.6	66.7	81
690		610	81.1		59.7	90.1	77.2	66.2
680		603	80.8		59.2	89.8	76.8	65.7	80
670		597	80.6		58.8	89.7	76.4	65.3
660		590	80.3		58.3	89.5	75.9	64.7	79
650		585	80		57.8	89.2	75.5	64.1
640		578	79.8		57.3	89	75.1	63.5	77
630		571	79.5		56.8	88.8	74.6	63
620		564	79.2		56.3	88.5	74.2	62.4	75
610		557	78.9		55.7	88.2	73.6	61.7
600		550	78.6		55.2	88	73.2	61.2	74
590		542	78.4		54.7	87.8	72.7	60.5		298	209.5
580		535	78		54.1	87.5	72.1	59.9	72	293	206
570		527	77.8		53.6	87.2	71.7	59.3	288	288	202.5
560		519	77.4		53	86.9	71.2	58.6	71	283	199
550	505	512	77		52.3	86.6	70.5	57.8		276	194
540	496	503	76.7		51.7	86.3	70	57	69	270	189.8
530	488	495	76.4		51.1	86	69.5	56.2		265	186.3
520	480	487	76.1		50.5	85.7	69	55.6	67	260	182.8
510	473	479	75.7		49.8	85.4	68.3	54.7		254	178.6
500	465	471	75.3		49.1	85	67.7	53.9	66	247	173.7
490	456	460	74.9		48.4	84.7	67.1	53.1		241	169.4
480	448	452	74.5		47.7	84.3	66.4	52.2	64	235	165.2
470	441	442	74.1		46.9	83.9	65.7	51.3		228	160.3
460	433	433	73.6		46.1	83.6	64.9	50.4	62	222	156.1
450	425	425	73.3		45.3	83.2	64.3	49.4		217	152.6
440	415	415	72.8		44.5	82.8	63.5	48.4	59	212	149.1
430	405	405	72.3		43.6	82.3	62.7	47.4		205	144.1
420	397	397	71.8		42.7	81.8	61.9	46.4	57	199	139.9
410	388	388	71.4		41.8	81.4	61.1	45.3		193	135.7
400	379	379	70.8		40.8	81	60.2	44.1	55	187	131.5
390	369	369	70.3		39.8	80.3	59.3	42.9		180	126.6
380	360	360	69.8	(110)	38.8	79.8	58.4	41.7	52	175	123
370	350	350	69.2		37.7	79.2	57.4	40.4		170	119.5
360	341	341	68.7	(109)	36.6	78.6	56.4	39.1	50	164	115.3
350	331	331	68.1		35.5	78	55.4	37.8		159	111.8
340	322	322	67.6	(108)	34.4	77.4	54.4	36.5	47	155	109
330	313	313	67		33.3	76.8	53.6	35.2		150	105.5
320	303	303	66.4	(107)	32.2	76.2	52.3	33.9	45	146	102.6
310	294	294	65.8		31	75.6	51.3	32.5		142	99.8
300	284	284	65.2	(105.5)	29.8	74.9	50.2	31.1	42	138	97
295	280	280	64.8		29.2	74.6	49.7	30.4		136	95.6
290	275	275	64.5	(104.5)	28.5	74.2	49	29.5	41	133	93.5
285	270	270	64.2		27.8	73.8	48.4	28.7		131	92.1
280	265	265	63.8	(103.5)	27.1	73.4	47.8	27.9	40	129	90.7
275	261	261	63.5		26.4	73	47.2	27.1		127	89.3
270	256	256	63.1	(102)	25.6	72.6	46.4	26.2	38	124	87.2
265	252	252	62.7		24.8	72.1	45.7	25.2		122	85.8
260	247	247	62.4	(101)	24	71.6	45	24.3	37	120	84.4
255	243	243	62		23.1	71.1	44.2	23.2		117	82.3
250	238	238	61.6	99.5	22.2	70.6	43.4	22.2	36	115	80.9
245	233	233	61.2		21.3	70.1	42.5	21.1		113	79.4
240	228	228	60.7	98.1	20.3	69.6	41.7	19.9	34	111	78
230	219	219		96.7	(18)				33	106	74.5
220	209	209		95	(15.7)				32	101	71
210	200	200		93.4	(13.4)				30	97	68.2
200	190	190		91.5	(11)				29	92	64.7
190	181	181		89.5	(8.5)				28	88	61.9
180	171	171		87.1	(6)				26	84	59.1
170	162			85	(3)				25	79	55.5
160	152			81.7	(0)				24	75	52.7
150	143			78.7					22	71	49.9
140	133			75					21	66	46.4
OS VALORES ENTRE PARÊNTESES SERVEM APENAS COMO INFORMAÇÃO, POIS ESTÃO FORA DA ESCALA NORMAL