|
|
|
Harder Scales - Equivalent Hardness Conversion Tables
| VPN |
Rockwell Scales |
Rockwell Superficial |
Brinells |
Sclero-Scope |
U.T.S. |
DPH
HV/10 |
A |
B |
C |
D |
G |
15N |
30N |
45N |
BHN
500kg |
BHN
3000kg |
|
MPa |
| 1865 |
92 |
|
80 |
87 |
|
97 |
92 |
87 |
|
|
|
|
| 1787 |
92 |
|
79 |
86 |
|
96 |
92 |
87 |
|
|
|
|
| 1710 |
91 |
|
78 |
85 |
|
96 |
91 |
86 |
|
|
|
|
| 1633 |
91 |
|
77 |
84 |
|
96 |
91 |
85 |
|
|
|
|
| 1556 |
90 |
|
76 |
83 |
|
96 |
90 |
84 |
|
|
|
|
| 1478 |
90 |
|
75 |
83 |
|
95 |
89 |
83 |
|
|
|
|
| 1400 |
89 |
|
74 |
82 |
|
95 |
89 |
82 |
|
|
|
|
| 1323 |
89 |
|
73 |
81 |
|
95 |
88 |
81 |
|
|
|
|
| 1245 |
88 |
|
72 |
80 |
|
95 |
87 |
80 |
|
|
|
|
| 1160 |
87 |
|
71 |
80 |
|
94 |
87 |
79 |
|
|
|
|
| 1076 |
87 |
|
70 |
79 |
|
94 |
86 |
78 |
|
|
101 |
|
| 1004 |
86 |
|
69 |
78 |
|
94 |
85 |
77 |
|
|
99 |
|
| 940 |
86 |
|
68 |
77 |
|
93 |
84 |
75 |
|
|
97 |
|
| 900 |
85 |
|
67 |
76 |
|
93 |
84 |
74 |
|
|
95 |
|
| 865 |
85 |
|
66 |
75 |
|
93 |
83 |
73 |
|
|
92 |
|
| 832 |
84 |
|
65 |
75 |
|
92 |
82 |
72 |
|
739 |
91 |
|
| 800 |
84 |
|
64 |
74 |
|
92 |
81 |
71 |
|
722 |
88 |
|
| 772 |
83 |
|
63 |
73 |
|
91 |
80 |
70 |
|
705 |
87 |
|
| 746 |
83 |
|
62 |
72 |
|
91 |
79 |
69 |
|
688 |
85 |
|
| 720 |
82 |
|
61 |
72 |
|
91 |
79 |
68 |
|
670 |
83 |
|
| 697 |
81 |
|
60 |
71 |
|
90 |
78 |
67 |
|
654 |
81 |
2206 |
| 674 |
81 |
|
59 |
70 |
|
90 |
77 |
66 |
|
634 |
80 |
2137 |
| 653 |
80 |
|
58 |
69 |
|
89 |
76 |
64 |
|
615 |
78 |
2069 |
| 633 |
80 |
|
57 |
69 |
|
89 |
75 |
63 |
|
595 |
76 |
2000 |
| 613 |
79 |
|
56 |
68 |
|
88 |
74 |
62 |
|
577 |
75 |
1944 |
| 595 |
79 |
120 |
55 |
67 |
|
88 |
73 |
61 |
|
560 |
74 |
1889 |
| 577 |
78 |
120 |
54 |
66 |
|
87 |
72 |
60 |
|
543 |
72 |
1834 |
| 560 |
78 |
119 |
53 |
65 |
|
87 |
71 |
59 |
|
523 |
71 |
1772 |
| 544 |
77 |
119 |
52 |
65 |
|
86 |
70 |
57 |
|
512 |
69 |
1689 |
| 528 |
77 |
118 |
51 |
64 |
|
86 |
69 |
56 |
|
496 |
68 |
1648 |
| 513 |
76 |
117 |
50 |
63 |
|
86 |
69 |
55 |
|
481 |
67 |
1607 |
| 498 |
75 |
117 |
49 |
62 |
|
85 |
68 |
54 |
|
469 |
66 |
1565 |
| 484 |
75 |
116 |
48 |
61 |
|
85 |
67 |
53 |
|
455 |
64 |
1524 |
| 471 |
74 |
116 |
47 |
61 |
|
84 |
66 |
51 |
|
443 |
63 |
1496 |
| 458 |
74 |
115 |
46 |
60 |
|
84 |
65 |
50 |
|
432 |
62 |
1462 |
| 446 |
73 |
115 |
45 |
59 |
|
83 |
64 |
49 |
|
421 |
60 |
1420 |
| 434 |
73 |
114 |
44 |
59 |
|
83 |
63 |
48 |
|
409 |
58 |
1379 |
| 423 |
72 |
113 |
43 |
58 |
|
82 |
62 |
47 |
|
400 |
57 |
1351 |
| 412 |
72 |
113 |
42 |
57 |
|
82 |
61 |
46 |
|
390 |
56 |
1317 |
| 402 |
71 |
112 |
41 |
56 |
|
81 |
60 |
44 |
|
381 |
55 |
1289 |
| 392 |
71 |
112 |
40 |
55 |
|
80 |
60 |
43 |
|
371 |
54 |
1255 |
| 382 |
70 |
111 |
39 |
55 |
|
80 |
59 |
42 |
|
362 |
52 |
1220 |
| 372 |
70 |
110 |
38 |
54 |
|
79 |
58 |
41 |
|
353 |
51 |
1193 |
| 363 |
69 |
110 |
37 |
53 |
|
79 |
57 |
40 |
|
344 |
50 |
1165 |
| 354 |
69 |
109 |
36 |
52 |
|
78 |
56 |
38 |
|
336 |
49 |
1138 |
| 345 |
68 |
109 |
35 |
52 |
|
78 |
55 |
37 |
|
327 |
48 |
1103 |
| 336 |
68 |
108 |
34 |
51 |
|
77 |
54 |
36 |
|
319 |
47 |
1076 |
| 327 |
67 |
108 |
33 |
50 |
|
77 |
53 |
35 |
|
311 |
46 |
1048 |
| 318 |
67 |
107 |
32 |
49 |
|
76 |
52 |
34 |
|
301 |
44 |
1014 |
| 310 |
66 |
106 |
31 |
48 |
91 |
76 |
51 |
33 |
|
294 |
43 |
993 |
| 302 |
66 |
105 |
30 |
48 |
91 |
75 |
50 |
31 |
|
286 |
42 |
965 |
| 294 |
65 |
104 |
29 |
47 |
89 |
75 |
50 |
30 |
|
279 |
41 |
945 |
| 286 |
65 |
104 |
28 |
46 |
88 |
74 |
49 |
29 |
|
271 |
41 |
917 |
| 279 |
64 |
103 |
27 |
45 |
87 |
73 |
48 |
28 |
|
264 |
40 |
889 |
| 272 |
64 |
103 |
26 |
45 |
86 |
73 |
47 |
27 |
|
258 |
39 |
869 |
| 266 |
63 |
102 |
25 |
44 |
85 |
72 |
46 |
26 |
|
253 |
38 |
855 |
| 260 |
63 |
101 |
24 |
43 |
84 |
72 |
45 |
24 |
|
247 |
37 |
834 |
| 254 |
62 |
100 |
23 |
42 |
83 |
71 |
44 |
23 |
201 |
240 |
36 |
814 |
| 248 |
62 |
99 |
22 |
42 |
81 |
71 |
43 |
22 |
195 |
234 |
35 |
793 |
| 243 |
61 |
98 |
21 |
41 |
79 |
70 |
42 |
21 |
189 |
228 |
35 |
772 |
| 238 |
61 |
97 |
20 |
40 |
78 |
69 |
42 |
20 |
184 |
222 |
34 |
752 |
|
|
|
