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HARDNESS CONVERSION TABLE
Brinell |
Rockwell |
Rockwell |
ApproximateTensile |
Brinell |
Rockwell |
ApproximateTensile |
Hardness |
B Scale |
C Scale |
Lbs. p.s.i. |
Hardness |
B Scale |
Lbs. p.s.i. |
653 |
62 |
324000 |
217 |
96 |
103000 |
|
627 |
60 |
311000 |
212 |
96 |
103000 |
|
601 |
59 |
306000 |
207 |
95 |
101000 |
|
578 |
57 |
290000 |
202 |
94 |
98000 |
|
555 |
56 |
284000 |
197 |
93 |
96000 |
|
534 |
54 |
270000 |
192 |
92 |
93000 |
|
514 |
53 |
263000 |
187 |
91 |
91000 |
|
495 |
51 |
250000 |
183 |
90 |
89000 |
|
477 |
50 |
243000 |
179 |
89 |
87000 |
|
461 |
49 |
236000 |
174 |
88 |
85000 |
|
444 |
47 |
223000 |
170 |
87 |
83000 |
|
429 |
47 |
217000 |
166 |
86 |
81000 |
|
415 |
45 |
211000 |
163 |
85 |
80000 |
|
401 |
42 |
194000 |
159 |
84 |
78000 |
|
388 |
41 |
188000 |
156 |
83 |
77000 |
|
375 |
40 |
182000 |
153 |
82 |
76000 |
|
363 |
38 |
171000 |
149 |
81 |
75000 |
|
352 |
37 |
166000 |
146 |
80 |
74000 |
|
331 |
36 |
162000 |
143 |
79 |
73000 |
|
321 |
34 |
153000 |
140 |
78 |
71000 |
|
311 |
33 |
148000 |
137 |
77 |
70000 |
|
302 |
32 |
144000 |
134 |
76 |
69000 |
|
293 |
31 |
140000 |
131 |
74 |
67000 |
|
285 |
30 |
136000 |
128 |
73 |
66000 |
|
277 |
29 |
132000 |
126 |
72 |
65000 |
|
269 |
28 |
129000 |
124 |
71 |
63000 |
|
262 |
27 |
126000 |
121 |
70 |
62000 |
|
255 |
25 |
120000 |
118 |
69 |
61000 |
|
248 |
24 |
117000 |
116 |
68 |
60000 |
|
241 |
100 |
23 |
115000 |
114 |
67 |
59000 |
235 |
99 |
22 |
112000 |
112 |
66 |
58000 |
229 |
98 |
21 |
110000 |
109 |
65 |
57000 |
223 |
97 |
20 |
108000 |
107 |
64 |
55000 |
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