Rockwell

Rockwell						Brinell		Vickers
A	B	C	D	E	F	3000 kg	500 kg	136	Approx Tensile Strength (psi)
60kg Brale	100kg 1/16" Ball	150kg Brale	100kg Brale	100kg 1/8" Ball	60kg 1/16" Ball	10mm Ball Steel	10mm Ball Steel	Diamond Pyramid	Approx Tensile Strength (psi)
86.5	---	70	78.5	---	---	---	---	1076	---
86.0	---	69	77.7	---	---	---	---	1044	---
85.6	---	68	76.9	---	---	---	---	940	---
85.0	---	67	76.1	---	---	---	---	900	---
84.5	---	66	75.4	---	---	---	---	865	---
83.9	---	65	74.5	---	---	739	---	832	---
83.4	---	64	73.8	---	---	722	---	800	---
82.8	---	63	73.0	---	---	705	---	772	---
82.3	---	62	72.2	---	---	688	---	746	---
81.8	---	61	71.5	---	---	670	---	720	---
81.2	---	60	70.7	---	---	654	---	697	320,000
80.7	---	59	69.9	---	---	634	---	674	310,000
80.1	---	58	69.2	---	---	615	---	653	300,000
79.6	---	57	68.5	---	---	595	---	633	290,000
79.0	---	56	67.7	---	---	577	---	613	282,000
78.5	120	55	66.9	---	---	560	---	595	274,000
78.0	120	54	66.1	---	---	543	---	577	266,000
77.4	119	53	65.4	---	---	525	---	560	257,000
76.8	119	52	64.6	---	---	500	---	544	245,000
76.3	118	51	63.8	---	---	487	---	528	239,000
75.9	117	50	63.1	---	---	475	---	513	233,000
75.2	117	49	62.1	---	---	464	---	498	227,000
74.7	116	48	61.4	---	---	451	---	484	221,000
74.1	116	47	60.8	---	---	442	---	471	217,000
73.6	115	46	60.0	---	---	432	---	458	212,000
73.1	115	45	59.2	---	---	421	---	446	206,000
72.5	114	44	58.5	---	---	409	---	434	200,000
72.0	113	43	57.7	---	---	400	---	423	196,000
71.5	113	42	56.9	---	---	390	---	412	191,000
70.9	112	41	56.2	---	---	381	---	402	187,000
70.4	112	40	55.4	---	---	371	---	392	182,000
69.9	111	39	54.6	---	---	362	---	382	177,000
69.4	110	38	53.8	---	---	353	---	372	173,000
68.9	110	37	53.1	---	---	344	---	363	169,000
68.4	109	36	52.3	---	---	336	---	354	165,000
67.9	109	35	51.5	---	---	327	---	345	160,000
67.4	108	34	50.8	---	---	319	---	336	156,000
66.8	108	33	50.0	---	---	311	---	327	152,000
66.3	107	32	49.2