|
黑色金属硬度及强度换算值之一 (GB/T 1172—1999) |
||||||||||||||||
|
硬 度 |
抗 拉 强 度σb/Mpa |
|||||||||||||||
|
洛 氏 |
表面洛氏 |
维氏 |
布氏 (F/D2=30) |
碳 钢 |
铬 钢 |
铬钒 钢 |
铬镍 钢 |
铬钼 钢 |
铬镍 钼钢 |
铬锰 硅钢 |
超高 强度钢 |
不锈 钢 |
||||
|
HRC |
HRA |
HR15N |
HR30N |
HR45N |
HV |
HBS |
HBW |
|||||||||
|
20.0 |
60.2 |
68.8 |
40.7 |
19.2 |
226 |
225 |
|
774 |
742 |
736 |
782 |
747 |
|
781 |
|
740 |
|
20.5 |
60.4 |
69.0 |
41.2 |
19.8 |
228 |
227 |
|
784 |
751 |
744 |
787 |
753 |
|
788 |
|
749 |
|
21.0 |
60.7 |
69.3 |
41.7 |
20.4 |
230 |
229 |
|
793 |
760 |
753 |
792 |
760 |
|
794 |
|
758 |
|
21.5 |
61.0 |
69.5 |
42.2 |
21.0 |
233 |
232 |
|
803 |
769 |
761 |
797 |
767 |
|
801 |
|
767 |
|
22.0 |
61.2 |
69.8 |
42.6 |
21.5 |
235 |
234 |
|
813 |
779 |
770 |
803 |
774 |
|
809 |
|
777 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
22.5 |
61.5 |
70.0 |
43.1 |
22.1 |
238 |
237 |
|
823 |
788 |
779 |
809 |
781 |
|
816 |
|
786 |
|
23.0 |
61.7 |
70.3 |
43.6 |
22.7 |
241 |
240 |
|
833 |
798 |
788 |
815 |
789 |
|
824 |
|
796 |
|
23.5 |
62.0 |
70.6 |
44.0 |
23.3 |
244 |
242 |
|
843 |
808 |
797 |
822 |
797 |
|
832 |
|
806 |
|
24.0 |
62.2 |
70.8 |
44.5 |
23.9 |
247 |
245 |
|
854 |
818 |
807 |
829 |
805 |
|
840 |
|
816 |
|
24.5 |
62.5 |
71.1 |
45.0 |
24.5 |
250 |
248 |
|
864 |
828 |
816 |
836 |
813 |
|
848 |
|
826 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
25.0 |
62.8 |
71.4 |
45.5 |
25.1 |
253 |
251 |
|
875 |
838 |
826 |
843 |
822 |
|
856 |
|
837 |
|
25.5 |
63.0 |
71.6 |
45.9 |
25.7 |
256 |
254 |
|
886 |
848 |
837 |
851 |
831 |
850 |
865 |
|
847 |
|
26.0 |
63.3 |
71.9 |
46.4 |
26.3 |
259 |
257 |
|
897 |
859 |
847 |
859 |
840 |
859 |
874 |
|
858 |
|
26.5 |
63.5 |
72.2 |
46.9 |
26.9 |
262 |
260 |
|
908 |
870 |
858 |
867 |
850 |
869 |
883 |
|
868 |
|
27.0 |
63.8 |
72.4 |
47.3 |
27.5 |
266 |
263 |
|
919 |
880 |
869 |
876 |
860 |
879 |
893 |
|
879 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
27.5 |
64.0 |
72.7 |
47.8 |
28.1 |
269 |
266 |
|
930 |
891 |
880 |
885 |
870 |
890 |
902 |
|
890 |
|
28.0 |
64.3 |
73.0 |
48.3 |
28.7 |
273 |
269 |
|
942 |
902 |
892 |
894 |
880 |
901 |
912 |
|
901 |
|
28.5 |
64.6 |
73.3 |
48.7 |
29.3 |
276 |
273 |
|
954 |
914 |
903 |
904 |
891 |
912 |
922 |
|
913 |
|
29.0 |
64.8 |
73.5 |
49.2 |
29.9 |
280 |
276 |
|
965 |
925 |
915 |
914 |
902 |
923 |
933 |
|
924 |
|
29.5 |
65.1 |
73.8 |
49.7 |
30.5 |
284 |
280 |
|
977 |
937 |
928 |
924 |
913 |
935 |
943 |
|
936 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
30.0 |
65.3 |
74.1 |
50.2 |
31.1 |
288 |
283 |
|
989 |
948 |
940 |
935 |
924 |
947 |
954 |
|
947 |
|
30.5 |
65.6 |
74.4 |
50.6 |
31.7 |
292 |
287 |
|
1002 |
960 |
953 |
946 |
936 |
959 |
965 |
|
959 |
|
31.0 |
65.8 |
74.7 |
51.1 |
32.3 |
296 |
291 |
|
1014 |
972 |
966 |
957 |
948 |
972 |
977 |
|
971 |
|
31.5 |
66.4 |
74.9 |
51.6 |
32.9 |
300 |
294 |
|
1027 |
984 |
980 |
969 |
961 |
985 |
989 |
|
983 |
|
32.0 |
66.4 |
75.2 |
52.0 |
33.5 |
304 |
298 |
|
1039 |
996 |
993 |
981 |
974 |
999 |
1001 |
|
996 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
32.5 |
66.6 |
75.5 |
52.5 |
34.1 |
308 |
302 |
|
1052 |
1009 |
1007 |
994 |
987 |
1012 |
1013 |
|
1008 |
|
33.0 |
66.9 |
75.8 |
53.0 |
34.7 |
313 |
306 |
|
1065 |
1022 |
1022 |
1007 |
1001 |
1027 |
1026 |
|
1021 |
|
33.5 |
67.1 |
76.1 |
53.4 |
35.3 |
317 |
310 |
|
1078 |
1034 |
1036 |
1020 |
1015 |
1041 |
1039 |
|
1034 |
|
34.0 |
67.4 |
76.4 |
53.9 |
35.9 |
321 |
314 |
|
1092 |
1048 |
1051 |
1034 |
1029 |
1056 |
1052 |
|
1047 |
|
34.5 |
67.7 |
76.7 |
54.4 |
36.5 |
326 |
318 |
|
1105 |
1061 |
1067 |
1048 |
1043 |
1071 |
1066 |
|
1060 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
35.0 |
67.9 |
77.0 |
54.8 |
37.0 |
331 |
323 |
|
1119 |
1074 |
1082 |
1063 |
1058 |
1087 |
1079 |
|
1074 |
|
35.5 |
68.2 |
77.2 |
55.3 |
37.6 |
335 |
327 |
|
1133 |
1088 |
1098 |
1078 |
1074 |
1103 |
1094 |
|
1087 |
|
36.0 |
68.4 |
77.5 |
55.8 |
38.2 |
340 |
332 |
|
1147 |
1102 |
1114 |
1093 |
1090 |
1119 |
1108 |
|
1101 |
|
36.5 |
68.7 |
77.8 |
56.2 |
38.8 |
345 |
336 |
|
1162 |
1116 |
1131 |
1109 |
1106 |
1136 |
1123 |
|
1116 |
|
37.0 |
69.0 |
78.1 |
56.7 |
39.4 |
350 |
341 |
|
1177 |
1131 |
1148 |
1125 |
1122 |
1153 |
1139 |
|
1130 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
37.5 |
69.2 |
78.4 |
57.2 |
40.0 |
355 |
345 |
|
1192 |
1146 |
1165 |
1142 |
1139 |
1171 |
1155 |
|
1145 |
|
38.0 |
69.5 |
78.7 |
57.6 |
40.6 |
360 |
350 |
|
1207 |
1161 |
1183 |
1159 |
1157 |
1189 |
1171 |
|
1161 |
|
38.5 |
69.7 |
79.0 |
58.1 |
41.2 |
365 |
355 |
|
1222 |
1176 |
1201 |
1177 |
1174 |
1207 |
1187 |
1170 |
1176 |
|
39.0 |
70.0 |
79.3 |
58.6 |
41.8 |
371 |
360 |
|
1238 |
1192 |
1219 |
1195 |
1192 |
1226 |
1204 |
1195 |
1193 |
|
39.5 |
70.3 |
79.6 |
59.0 |
42.4 |
376 |
365 |
|
1254 |
1208 |
1238 |
1214 |
1211 |
1245 |
1222 |
1219 |
1209 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
40.0 |
70.5 |
79.9 |
59.5 |
43.0 |
381 |
370 |
370 |
1271 |
1225 |
1257 |
1233 |
1230 |
1265 |
1240 |
1243 |
1226 |
|
40.5 |
70.8 |
80.2 |
60.0 |
43.6 |
387 |
375 |
375 |
1288 |
1242 |
1276 |
1252 |
1249 |
1285 |
1258 |
1267 |
1244 |
|
41.0 |
71.1 |
80.5 |
60.4 |
44.2 |
393 |
380 |
381 |
1305 |
1260 |
1296 |
1273 |
1269 |
1306 |
1277 |
1290 |
1262 |
|
41.5 |
71.3 |
80.8 |
60.9 |
44.8 |
398 |
385 |
386 |
1322 |
1278 |
1317 |
1293 |
1289 |
1327 |
1296 |
1313 |
1280 |
|
42.0 |
71.6 |
81.1 |
61.3 |
45.4 |
404 |
391 |
392 |
1340 |
1296 |
1337 |
1314 |
1310 |
1348 |
1316 |
1336 |
1299 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
42.5 |
71.8 |
81.4 |
61.8 |
45.9 |
410 |
396 |
397 |
1359 |
1315 |
1358 |
1336 |
1331 |
1370 |
1336 |
1359 |
1319 |
|
43.0 |
72.1 |
81.7 |
62.3 |
46.5 |
416 |
401 |
403 |
1378 |
1335 |
1380 |
1358 |
1353 |
1392 |
1357 |
1381 |
1339 |
|
43.5 |
72.4 |
82.0 |
62.7 |
47.1 |
422 |
407 |
409 |
1397 |
1355 |
1401 |
1380 |
1375 |
1415 |
1378 |
1404 |
1361 |
|
44.0 |
72.6 |
82.3 |
63.2 |
47.7 |
428 |
413 |
415 |
1417 |
1376 |
1424 |
1404 |
1397 |
1439 |
1400 |
1427 |
1383 |
|
44.5 |
72.9 |
82.6 |
63.6 |
48.3 |
435 |
418 |
422 |
1438 |
1398 |
1446 |
1427 |
1420 |
1462 |
1422 |
1450 |
1405 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
45.0 |
73.2 |
82.9 |
64.1 |
48.9 |
441 |
424 |
428 |
1459 |
1420 |
1469 |
1451 |
1444 |
1487 |
1445 |
1473 |
1429 |
|
45.5 |
73.4 |
83.2 |
64.6 |
49.5 |
448 |
430 |
435 |
1481 |
1444 |
1493 |
1476 |
1468 |
1512 |
1469 |
1496 |
1453 |
|
46.0 |
73.7 |
83.5 |
65.0 |
50.1 |
454 |
436 |
441 |
1503 |
1468 |
1517 |
1502 |
1492 |
1537 |
1493 |
1520 |
1479 |
|
46.5 |
73.9 |
83.7 |
65.5 |
50.7 |
461 |
442 |
448 |
1526 |
1493 |
1541 |
1527 |
1517 |
1563 |
1517 |
1544 |
1505 |
|
47.0 |
74.2 |
84.0 |
65.9 |
51.2 |
468 |
449 |
455 |
1550 |
1519 |
1566 |
1554 |
1542 |
1589 |
1543 |
1569 |
1533 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
47.5 |
74.5 |
84.3 |
66.4 |
51.8 |
475 |
|
463 |
1575 |
1546 |
1591 |
1581 |
1568 |
1616 |
1569 |
1594 |
1562 |
|
48.0 |
74.7 |
84.6 |
66.8 |
52.4 |
482 |
|
470 |
1600 |
1574 |
1617 |
1608 |
1595 |
1643 |
1595 |
1620 |
1592 |
|
48.5 |
75.0 |
84.9 |
67.3 |
53.0 |
489 |
|
478 |
1626 |
1603 |
1643 |
1636 |
1622 |
1671 |
1623 |
1646 |
1623 |
|
49.0 |
75.3 |
85.2 |
67.7 |
53.6 |
497 |
|
486 |
1653 |
1633 |
1670 |
1665 |
1649 |
1699 |
1651 |
1674 |
1655 |
|
49.5 |
75.5 |
85.5 |
68.2 |
54.2 |
504 |
|
494 |
1681 |
1665 |
1697 |
1695 |
1677 |
1728 |
1679 |
1702 |
1689 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
50.0 |
75.8 |
85.7 |
68.6 |
54.7 |
512 |
|
502 |
1710 |
1698 |
1724 |
1724 |
1706 |
1758 |
1709 |
1731 |
1725 |
|
50.5 |
76.1 |
86.0 |
69.1 |
55.3 |
520 |
|
510 |
|
1732 |
1752 |
1755 |
1735 |
1788 |
1739 |
1761 |
|
|
51.0 |
76.3 |
86.3 |
69.5 |
55.9 |
527 |
|
518 |
|
1768 |
1780 |
1786 |
1764 |
1819 |
1770 |
1792 |
|
|
51.5 |
76.6 |
86.6 |
70.0 |
56.5 |
535 |
|
527 |
|
1806 |
1809 |
1818 |
1794 |
1850 |
1801 |
1824 |
|
|
52.0 |
76.9 |
86.8 |
70.4 |
57.1 |
544 |
|
535 |
|
1845 |
1839 |
1850 |
1825 |
1881 |
1834 |
1857 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
52.5 |
77.1 |
87.1 |
70.9 |
57.6 |
552 |
|
544 |
|
|
1869 |
1883 |
1856 |
1914 |
1867 |
1892 |
|
|
53.0 |
77.4 |
87.4 |
71.3 |
58.2 |
561 |
|
552 |
|
|
1899 |
1917 |
1888 |
1947 |
1901 |
1929 |
|
|
53.5 |
77.7 |
87.6 |
71.8 |
58.8 |
569 |
|
561 |
|
|
1930 |
1951 |
|
|
1936 |
1966 |
|
|
54.0 |
77.9 |
87.9 |
72.2 |
59.4 |
578 |
|
569 |
|
|
1961 |
1986 |
|
|
1971 |
2006 |
|
|
54.5 |
78.2 |
88.1 |
72.6 |
59.9 |
587 |
|
577 |
|
|
1993 |
2022 |
|
|
2008 |
2047 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
55.0 |
78.5 |
88.4 |
73.1 |
60.5 |
596 |
|
585 |
|
|
2026 |
|
|
|
2045 |
2090 |
|
|
55.5 |
78.7 |
88.6 |
73.5 |
61.1 |
606 |
|
593 |
|
|
|
|
|
|
|
2135 |
|
|
56.0 |
79.0 |
88.9 |
73.9 |
61.7 |
615 |
|
601 |
|
|
|
|
|
|
|
2181 |
|
|
56.5 |
79.3 |
89.1 |
74.4 |
62.2 |
625 |
|
608 |
|
|
|
|
|
|
|
2230 |
|
|
57.0 |
79.5 |
89.4 |
74.8 |
62.8 |
635 |
|
616 |
|
|
|
|
|
|
|
2281 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
57.5 |
79.8 |
89.6 |
75.2 |
63.4 |
645 |
|
622 |
|
|
|
|
|
|
|
2334 |
|
|
58.0 |
80.1 |
89.8 |
75.6 |
63.9 |
655 |
|
628 |
|
|
|
|
|
|
|
2390 |
|
|
58.5 |
80.3 |
90.0 |
76.1 |
64.5 |
666 |
|
634 |
|
|
|
|
|
|
|
2448 |
|
|
59.0 |
80.6 |
90.2 |
76.5 |
65.1 |
676 |
|
639 |
|
|
|
|
|
|
|
2509 |
|
|
59.5 |
80.9 |
90.4 |
79.9 |
65.6 |
687 |
|
643 |
|
|
|
|
|
|
|
2572 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
60.0 |
81.2 |
90.6 |
77.3 |
66.2 |
698 |
|
647 |
|
|
|
|
|
|
|
2639 |
|
|
60.5 |
81.4 |
90.8 |
77.7 |
66.8 |
710 |
|
650 |
|
|
|
|
|
|
|
|
|
|
61.0 |
81.7 |
91.0 |
78.1 |
67.3 |
721 |
|
|
|
|
|
|
|
|
|
|
|
|
61.5 |
82.0 |
91.2 |
78.6 |
67.9 |
733 |
|
|
|
|
|
|
|
|
|
|
|
|
62.0 |
82.2 |
91.4 |
79.0 |
68.4 |
745 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
62.5 |
82.5 |
91.5 |
79.4 |
69.0 |
757 |
|
|
|
|
|
|
|
|
|
|
|
|
63.0 |
82.8 |
91.7 |
79.8 |
69.5 |
770 |
|
|
|
|
|
|
|
|
|
|
|
|
63.5 |
83.1 |
91.8 |
80.2 |
70.1 |
782 |
|
|
|
|
|
|
|
|
|
|
|
|
64.0 |
83.3 |
91.9 |
80.6 |
70.6 |
795 |
|
|
|
|
|
|
|
|
|
|
|
|
64.5 |
83.6 |
92.1 |
81.0 |
71.2 |
809 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
65.0 |
83.9 |
92.2 |
81.3 |
71.7 |
822 |
|
|
|
|
|
|
|
|
|
|
|
|
65.5 |
84.1 |
|
|
|
836 |
|
|
|
|
|
|
|
|
|
|
|
|
66.0 |
84.4 |
|
|
|
850 |
|
|
|
|
|
|
|
|
|
|
|
|
66.5 |
84.7 |
|
|
|
865 |
|
|
|
|
|
|
|
|
|
|
|
|
67.0 |
85.0 |
|
|
|
879 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
67.5 |
85.2 |
|
|
|
894 |
|
|
|
|
|
|
|
|
|
|
|
|
68.0 |
85.5 |
|
|
|
909 |
|
|
|
|
|
|
|
|
|
|
|
|
注:1.本标准所列换算值是对主要钢种进行实验的基础上制定的。各钢系的换算值适用于含碳量由低到高的钢种。 2.本标准所列换算值,只有当试件组织均匀一致时,才能得到较精确的结果,因此应尽量避免各种换算。 3.本表不包括低碳钢。 |
||||||||||||||||
