TABELA DE EQUIVALÊNCIA DE DUREZA PARA AÇOS
BASEADO NA NORMA SAE J-417b
|
|
Dureza Brinell |
|
Dureza Rockwell |
|
|
|
Dureza Vickers |
Carga de 3000 kg esfera de 10mm |
Dureza Rockwell |
Superficial |
Dureza shore |
Resistência a tração |
|
Esfera de aço |
Esfera de tungstênio |
Escala A |
Escala B |
Escala C |
Escala 15N |
Escala 30N |
Escala 45N |
KSI |
Kg/mm2 |
||
|
940 |
... |
... |
85.6 |
... |
68 |
93.2 |
84.4 |
75.4 |
97 |
... |
... |
|
920 |
... |
... |
85.3 |
... |
67.5 |
93 |
84 |
74.8 |
96 |
... |
... |
|
900 |
... |
... |
85 |
... |
67 |
92.9 |
83.6 |
74.2 |
95 |
... |
... |
|
880 |
... |
... |
84.7 |
... |
66.4 |
92.7 |
83.1 |
73.6 |
93 |
... |
... |
|
860 |
... |
... |
84.4 |
... |
65.9 |
92.5 |
82.7 |
73.1 |
92 |
... |
... |
|
840 |
... |
... |
84.1 |
... |
65.3 |
92.3 |
82.2 |
72.2 |
91 |
... |
... |
|
820 |
... |
... |
83.8 |
... |
64.7 |
92.1 |
81.7 |
71.8 |
90 |
... |
... |
|
800 |
... |
... |
83.4 |
... |
64 |
91.8 |
81.1 |
71 |
88 |
... |
... |
|
780 |
... |
... |
83 |
... |
63.3 |
91.5 |
80.4 |
70.2 |
87 |
... |
... |
|
760 |
... |
... |
82.6 |
... |
62.5 |
91.2 |
79.7 |
69.4 |
86 |
... |
... |
|
740 |
... |
... |
82.2 |
... |
61.8 |
91 |
79.1 |
68.6 |
84 |
... |
... |
|
720 |
... |
... |
81.8 |
... |
61 |
90.7 |
78.4 |
67.7 |
83 |
... |
... |
|
700 |
... |
615 |
81.3 |
... |
60.1 |
90.3 |
77.6 |
66.7 |
81 |
||
|
690 |
... |
610 |
81.1 |
... |
59.7 |
90.1 |
77.2 |
66.2 |
... |
... |
... |
|
680 |
... |
603 |
80.8 |
... |
59.2 |
89.8 |
76.8 |
65.7 |
80 |
... |
... |
|
670 |
... |
597 |
80.6 |
... |
58.8 |
89.7 |
76.4 |
65.3 |
... |
... |
... |
|
660 |
... |
590 |
80.3 |
... |
58.3 |
89.5 |
75.9 |
64.7 |
79 |
... |
... |
|
650 |
... |
585 |
80 |
... |
57.8 |
89.2 |
75.5 |
64.1 |
... |
... |
... |
|
640 |
... |
578 |
79.8 |
... |
57.3 |
89 |
75.1 |
63.5 |
77 |
... |
... |
|
630 |
... |
571 |
79.5 |
... |
56.8 |
88.8 |
74.6 |
63 |
... |
... |
... |
|
620 |
... |
564 |
79.2 |
... |
56.3 |
88.5 |
74.2 |
62.4 |
75 |
... |
... |
|
610 |
... |
557 |
78.9 |
... |
55.7 |
88.2 |
73.6 |
61.7 |
... |
... |
... |
|
600 |
... |
550 |
78.6 |
... |
55.2 |
88 |
73.2 |
61.2 |
74 |
... |
... |
|
590 |
... |
542 |
78.4 |
... |
54.7 |
87.8 |
72.7 |
60.5 |
... |
298 |
209.5 |
|
580 |
... |
535 |
78 |
... |
54.1 |
87.5 |
72.1 |
59.9 |
72 |
293 |
206 |
|
570 |
... |
527 |
77.8 |
... |
53.6 |
87.2 |
71.7 |
59.3 |
... |
288 |
202.5 |
|
560 |
... |
519 |
77.4 |
... |
53 |
86.9 |
71.2 |
58.6 |
71 |
283 |
199 |
|
550 |
505 |
512 |
77 |
... |
52.3 |
86.6 |
70.5 |
57.8 |
... |
276 |
194 |
|
540 |
496 |
503 |
76.7 |
... |
51.7 |
86.3 |
70 |
57 |
69 |
270 |
189.8 |
|
530 |
488 |
495 |
76.4 |
... |
51.1 |
86 |
69.5 |
56.2 |
... |
265 |
186.3 |
|
520 |
480 |
487 |
76.1 |
... |
50.5 |
85.7 |
69 |
55.6 |
67 |
260 |
182.8 |
|
510 |
473 |
479 |
75.7 |
... |
49.8 |
85.4 |
68.3 |
54.7 |
... |
254 |
178.6 |
|
500 |
465 |
471 |
75.3 |
... |
49.1 |
85 |
67.7 |
53.9 |
66 |
247 |
173.7 |
|
490 |
456 |
460 |
74.9 |
... |
48.4 |
84.7 |
67.1 |
53.1 |
... |
241 |
169.4 |
|
480 |
448 |
452 |
74.5 |
... |
47.7 |
84.3 |
66.4 |
52.2 |
64 |
235 |
165.2 |
|
470 |
441 |
442 |
74.1 |
... |
46.9 |
83.9 |
65.7 |
51.30 |
... |
228 |
160.3 |
|
460 |
433 |
433 |
73.6 |
... |
46.1 |
83.6 |
64.9 |
50.4 |
62 |
222 |
156.1 |
|
450 |
425 |
425 |
73.3 |
... |
45.3 |
83.2 |
64.3 |
49.4 |
... |
217 |
152.6 |
|
440 |
415 |
415 |
72.8 |
... |
44.5 |
82.8 |
63.5 |
48.4 |
59 |
212 |
149.1 |
|
430 |
405 |
405 |
72.3 |
... |
43.6 |
82.3 |
62.7 |
47.4 |
... |
205 |
144.1 |
|
420 |
397 |
397 |
71.8 |
... |
42.7 |
81.8 |
61.9 |
46.4 |
57 |
199 |
139.9 |
|
410 |
388 |
388 |
71.4 |
... |
41.8 |
81.4 |
61.1 |
45.3 |
... |
193 |
135.7 |
|
400 |
379 |
379 |
70.8 |
... |
40.8 |
81 |
60.2 |
44.1 |
55 |
187 |
131.5 |
|
390 |
369 |
369 |
70.3 |
... |
39.8 |
80.3 |
59.3 |
42.9 |
... |
180 |
126.6 |
|
380 |
360 |
360 |
69.8 |
(110) |
38.8 |
79.8 |
58.4 |
41.7 |
52 |
175 |
123 |
|
370 |
350 |
350 |
69.2 |
... |
37.7 |
79.2 |
57.4 |
40.4 |
... |
170 |
119.5 |
|
360 |
341 |
341 |
68.7 |
(109) |
36.6 |
78.6 |
56.4 |
39.1 |
50 |
164 |
115.3 |
|
350 |
331 |
331 |
68.1 |
... |
35.5 |
78 |
55.4 |
37.8 |
... |
159 |
111.8 |
|
340 |
322 |
322 |
67.6 |
(108) |
34.4 |
77.4 |
54.4 |
36.5 |
47 |
155 |
109 |
|
330 |
313 |
313 |
67 |
... |
33.3 |
76.8 |
53.6 |
35.2 |
... |
150 |
105.5 |
|
320 |
303 |
303 |
66.4 |
(107) |
32.2 |
76.2 |
52.3 |
33.9 |
45 |
146 |
102.6 |
|
310 |
294 |
294 |
65.8 |
... |
31 |
75.6 |
51.3 |
32.5 |
... |
142 |
99.8 |
|
300 |
284 |
284 |
65.2 |
(105.5) |
29.8 |
74.9 |
50.2 |
31.1 |
42 |
138 |
97 |
|
295 |
280 |
280 |
64.8 |
... |
29.2 |
74.6 |
49.7 |
30.4 |
... |
136 |
95.6 |
|
290 |
275 |
275 |
64.5 |
(104.5) |
28.5 |
74.2 |
49 |
29.5 |
41 |
133 |
93.5 |
|
285 |
270 |
270 |
64.2 |
... |
27.8 |
73.8 |
48.4 |
28.7 |
... |
131 |
92.1 |
|
280 |
265 |
265 |
63.8 |
(103.5) |
27.1 |
73.4 |
47.8 |
27.9 |
40 |
129 |
90.7 |
|
275 |
261 |
261 |
63.5 |
... |
26.4 |
73 |
47.2 |
27.1 |
... |
127 |
89.3 |
|
270 |
256 |
256 |
63.1 |
(102) |
25.6 |
72.6 |
46.4 |
26.2 |
38 |
124 |
87.2 |
|
265 |
252 |
252 |
62.7 |
... |
24.8 |
72.1 |
45.7 |
25.2 |
... |
122 |
85.8 |
|
260 |
247 |
247 |
62.4 |
(101) |
24 |
71.6 |
45 |
24.3 |
37 |
120 |
84.4 |
|
255 |
243 |
243 |
62 |
... |
23.1 |
71.1 |
44.2 |
23.2 |
... |
117 |
82.3 |
|
250 |
238 |
238 |
61.6 |
99.5 |
22.2 |
70.6 |
43.4 |
22.2 |
36 |
115 |
80.9 |
|
245 |
233 |
233 |
61.2 |
... |
21.3 |
70.1 |
42.5 |
21.1 |
... |
113 |
79.4 |
|
240 |
228 |
228 |
60.7 |
98.1 |
20.3 |
69.3 |
41.7 |
19.9 |
34 |
111 |
78 |
|
230 |
219 |
219 |
... |
96.7 |
(18) |
... |
... |
... |
33 |
106 |
74.5 |
|
220 |
209 |
209 |
... |
95 |
(15.7) |
... |
... |
... |
32 |
101 |
71 |
|
210 |
200 |
200 |
... |
93.4 |
(13.4) |
... |
... |
... |
30 |
97 |
68.2 |
|
200 |
190 |
190 |
... |
91.5 |
(11) |
... |
... |
... |
29 |
92 |
64.7 |
|
190 |
181 |
181 |
... |
89.5 |
(8.5) |
... |
... |
... |
28 |
88 |
61.9 |
|
180 |
171 |
171 |
... |
87.1 |
(6) |
... |
... |
... |
26 |
84 |
59.1 |
|
170 |
162 |
... |
... |
85 |
(3) |
... |
... |
... |
25 |
79 |
55.5 |
|
160 |
152 |
... |
... |
81.7 |
(0) |
... |
... |
... |
24 |
75 |
52.7 |
|
150 |
143 |
... |
... |
78.7 |
... |
... |
... |
... |
22 |
71 |
49.9 |
|
140 |
133 |
... |
... |
75 |
... |
... |
... |
... |
21 |
66 |
46.4 |
OS VALORES ENTRE PARÊNTESES SERVEM APENAS COMO INFORMAÇÃO, POIS ESTÃO FORA DA ESCALA NORMAL