text.skipToContent text.skipToNavigation

presents

Canada

thyssenkrupp Materials North America

The execution of JavaScript is disabled in your browser. Please allow the execution of JavaScript in order to get the full shopping experience in the thyssenkrupp CBS B2B portal.

Homepage
Resources
Tools and Calculators
Hardness Conversion Table

Hardness Conversion Table

This comprehensive hardness conversion table serves as an invaluable reference, facilitating the seamless transition between Brinell Hardness and Rockwell Hardness scales, and vice versa. By providing a detailed correlation between these two prominent hardness measurement systems, the table not only enables swift and accurate cross-referencing but also extends its utility by drawing correlations to the approximate tensile strength associated with each hardness scale.

Brinell Hardness	Rockwell Hardness
Tungsten Carbide Ball 3000 kg	A Scale 60 kg	B Scale 100 kg	C Scale 150 kg	Tensile Strength (approx.)
_	86	_	68	_
_	85	_	68	_
_	85	_	67	_
767	84	_	66	_
757	84	_	66	_
745	84	_	65	_
733	84	_	65	_
722	83	_	64	_
712	_	_	_	_
710	83	_	63	_
698	83	_	62	_
684	82	_	62	_
682	82	_	62	_
670	82	_	61	_
656	81	_	60	_
653	81	_	60	_
647	81	_	60	_
638	81	_	59	329,000
630	81	_	59	324,000
627	80	_	59	323,000
601	80	_	57	309,000
578	79	_	56	297,000
555	78	_	55	285,000
534	78	_	54	274,000
514	77	_	52	263,000
495	76	_	51	253,000
477	76	_	50	243,000
461	75	_	48	235,000
444	74	_	47	225,000
429	73	_	46	217,000
401	72	_	43	202,000
388	71	_	42	195,000
375	71	_	40	188,000
363	70	_	39	182,000
352	69	_	38	176,000
341	69	_	37	170,000
331	68	_	36	166,000
321	68	_	34	160,000
311	67	_	33	155,000
302	66	_	32	150,000
293	66	_	31	145,000
285	65	_	30	141,000
277	65	_	29	137,000
269	64	_	28	133,000
262	64	_	27	129,000
255	63	_	25	126,000
248	62	_	24	122,000
241	62	100	23	118,000
235	61	99	22	115,000
229	61	98	20	111,000
223	_	97	20	_
217	_	96	18	105,000
212	_	96	17	102,000
207	_	95	16	100,000
201	_	94	15	98,000
197	_	93	_	95,000
192	_	92	_	93,000
187	_	91	_	90,000
183	_	90	_	89,000
179	_	89	_	87,000
174	_	88	_	85,000
170	_	87	_	83,000
167	_	86	_	81,000
163	_	85	_	79,000
156	_	83	_	76,000
149	_	81	_	73,000
143	_	79	_	71,000
137	_	76	_	67,000
131	_	74	_	65,000
126	_	72	_	63,000
121	_	70	_	60,000
116	_	68	_	58,000
111	_	66	_	56,000

thyssenkrupp Materials North America

MATERIALS

Resources

Resources

Tools and Calculators