Hardness Comparison Table |
Brinell 10m.m Baill 3000kg Load |
Firth or Vickers 120kg |
Rockwell |
Brinell 10m.m Bail 3000kg Load |
Firth or Vickers 120kg |
Rockwell |
C-Scale 120 |
B-Scale 1/16" |
C-Scale 120 |
B-Scale 1/16" |
Cone 150kg Load |
Ball 100kg Load |
Cone 150kg Load |
Ball 100kg |
800 |
|
70 |
|
276 |
278 |
30 |
105 |
780 |
1220 |
69 |
|
269 |
272 |
29 |
104 |
760 |
1170 |
68 |
|
261 |
261 |
28 |
103 |
745 |
1114 |
67 |
|
258 |
258 |
27 |
102 |
725 |
1060 |
66 |
|
255 |
255 |
26 |
102 |
712 |
1021 |
65 |
|
249 |
250 |
25 |
102 |
682 |
840 |
64 |
|
245 |
246 |
24 |
200 |
688 |
905 |
63 |
|
240 |
240 |
23 |
99 |
652 |
867 |
62 |
|
237 |
235 |
22 |
99 |
626 |
803 |
61 |
|
229 |
226 |
21 |
98 |
614 |
775 |
60 |
|
224 |
221 |
20 |
97 |
601 |
746 |
59 |
|
217 |
217 |
19 |
96 |
590 |
727 |
58 |
|
211 |
213 |
18 |
95 |
576 |
794 |
57 |
|
206 |
209 |
17 |
94 |
552 |
749 |
56 |
|
203 |
201 |
16 |
94 |
545 |
639 |
55 |
|
200 |
199 |
15 |
93 |
529 |
606 |
54 |
|
196 |
197 |
14 |
92 |
514 |
587 |
53 |
120 |
191 |
190 |
13 |
92 |
502 |
565 |
52 |
119 |
187 |
186 |
12 |
91 |
495 |
551 |
51 |
119 |
185 |
184 |
11 |
91 |
477 |
534 |
50 |
118 |
183 |
183 |
10 |
90 |
461 |
502 |
49 |
117 |
180 |
177 |
9 |
89 |
451 |
489 |
48 |
117 |
175 |
174 |
7 |
89 |
444 |
474 |
47 |
116 |
170 |
171 |
6 |
87 |
427 |
460 |
46 |
115 |
167 |
169 |
5 |
87 |
415 |
435 |
45 |
115 |
165 |
165 |
4 |
86 |
401 |
423 |
44 |
114 |
163 |
182 |
3 |
85 |
388 |
401 |
43 |
114 |
160 |
159 |
2 |
84 |
374 |
390 |
42 |
113 |
158 |
154 |
1 |
83 |
370 |
385 |
41 |
112 |
154 |
152 |
|
82 |
362 |
380 |
40 |
111 |
152 |
150 |
|
82 |
351 |
351 |
39 |
111 |
150 |
149 |
|
81 |
346 |
352 |
38 |
110 |
147 |
147 |
|
80 |
341 |
344 |
37 |
110 |
145 |
146 |
|
79 |
331 |
335 |
36 |
109 |
143 |
144 |
|
79 |
323 |
320 |
35 |
109 |
141 |
142 |
|
78 |
311 |
312 |
34 |
108 |
140 |
141 |
|
77 |
301 |
305 |
33 |
107 |
135 |
135 |
|
75 |
293 |
291 |
32 |
106 |
130 |
130 |
|
72 |
285 |
285 |
31 |
105 |
|
|
|
|
|