黑色金属硬度及强度换算值(GB／T1172-1999)

三、黑色金属硬度及强度换算值（GB／T1172－1999）

2006-10-14 14:00:00
附表3黑色金属硬度及强度换算值
硬 度
洛 氏
HRC
20.0
20.5
21．O
21.5
22．O
22.5
23．O
23.5
24．O
24.5
25．O
25.5
26.0
26.5
27．O
27.5
28．O
28.5
29.0
29.5
30．O
30.5
31.0
31.5
32.0
32.5
33．O
33.5
34．O
34.5
HRA
60.2
60.4
60.7
61．O
61.2
61.5
61.7
62．O
62.2
62.5
62.8
63．O
63.3
63.5
63.8
64．O
64.3
64.6
64.8
65.1
65.3
65.6
65.8
66.1
66.4
66.6
66.9
67.1
67.4
67.7
HR15N
68.8
69．O
69.3
69.5
69.8
70．O
70.3
70.6
70.8
71.1
71.4
71.6
71.9
72.2
72.4
72.7
73.0
73.3
73.5
73.8
74.1
74.4
74.7
74.9
75.2
75.5
75.8
76.1
76.4
76.7
表面洛氏
HR30N
40.7
41.2
41.7
42.2
42.6
43.1
43.6
44．O
44.5
45.0
45.5
45.9
46.4
46.9
47.3
47.8
48.3
48.7
49.2
49.7
50.2
50.6
51.1
51.6
52．O
52.5
53．O
53.4
53.9
54.4
HR45N
19.2
19.8
20.4
21．O
21.5
22.1
22.7
23.3
23.9
24.5
25.1
25.7
26.3
26.9
27.5
28.1
28.7
29.3
29.9
30.5
31.1
31.7
32.3
32.9
33.5
34.1
34.7
35.3
35.9
36.5
维 氏
HV
226
228
230
233
235
238
24l
244
247
250
253
256
259
262
266
269
273
276
280
284
288
292
296
300
304
308
313
317
32l
326
布氏(F／D?=30)
HBS
225
227
229
232
234
237
240
242
245
248
25l
254
257
260
263
266
269
273
276
280
283
287
29l
294
298
302
306
310
314
318

HBW
(适用于含碳量由低到高的钢种)
抗拉强度ób／MPa
碳钢
774
铬钢
742
铬钒钢
736
铬镍钢
782
铬钼钢
747
铬镍
钼钢
850
铬锰
硅钢
781
超高
强度钢

不锈钢
740

784
793
803
813
823
833
843
854
864
875
886
897
908
919
930
942
954
965
977
989
1002
1014
1027
1039
1052
1065
1078
1092
1105
751
760
769
779
788
798
808
818
828
838
848
859
870
880
891
902
914
925
937
948
960
972
984
996
1009
1022
1034
1048
1061
744
753
761
770
779
788
797
807
816
826
837
847
858
869
880
892
903
915
928
940
953
966
980
993
1007
1022
1036
1051
1067
787
792
797
803
809
815
822
829
836
843
851
859
867
876
885
894
904
914
924
935
946
957
969
981
994
1007
1020
1034
1048
753
760
767
774
781
789
797
805
813
822
831
840
850
860
870
880
891
902
913
924
936
948
961
974
987
1001
1015
1029
1043
硬 度
859
869
879
890
901
912
923
935
947
959
972
985
999
1012
1027
1041
1056
1071
788
794
801
809
816
824
832
840
848
856
865
874
883
893
902
912
922
933
943
954
965
977
989
1001
1013
1026
1039
1052
1066
749
758
767
777
786
796
806
816
826
837
847
858
868
879
890
90l
913
924
936
947
959
971
983
996
1008
1021
1034
1047
1060
洛 氏
HRC
35.0
35.5
36.0
36.5
37．O
37.5
38．O
38.5
39.0
39.5
40.0
40.5
HRA
67.9
68.2
68.4
68.7
69.0
69.2
69.5
69.7
70．O
70.3
70.5
70.8
HRl5N
77.0
77.2
77.5
77.8
78.1
78.4
78.7
79.0
79.3
79.6
79.9
80.2
表面洛氏
HR30N
54．8
55.3
55.8
56.2
56.7
57.2
57.6
58.1
58.6
59．O
59.5
60．O
HR45N
37．O
37.6
38.2
38.8
39.4
40．O
40.6
41.2
41.8
42.4
43．O
43.6
维 氏
HV
33l
335
340
345
350
355
360
365
37l
376
381
387
布氏(F／D
2
=30)
HBS
323
327
332
336
341
345
350
355
360
365
370
375
HBW
370
375
381
386
392
397
403
409
415
422
428
435

41．O
41.5
42．O
42.5
43.0
43.5
44．O
44.5
45．O
45.5
46．O
46.5
47.0
47.5
48.0
48.5
49．O
49.5
50.0
50.5
51．O
71.1
71.3
71.6
71.8
72．1
72.4
72.6
72.9
73.2
73.4
73.7
73.9
74.2
74.5
74.7
75．O
75.3
75.5
75.8
76.1
76.3
80.5
80.8
81.1
81.4
81.7
82.0
82.3
82.6
82.9
83.2
83.5
83.7
84.0
84.3
84.6
84.9
85.2
85.5
85.7
86.0
86.3
60.4
60.9
61.3
61.8
62.3
62.7
63.2
63.6
64.1
64.6
65．O
65.5
65.9
66.4
66.8
67.3
67.7
68.2
68.6
69.1
69.5
44.2
44.8
45.4
45.9
46.5
47.1
47.7
48.3
48.9
49.5
50.1
50.7
51.2
51.8
52.4
53.0
53.6
54.2
54.7
55.3
55.9
393
398
404
410
416
422
428
435
44l
448
454
46l
468
475
482
489
497
504
512
520
527
380
385
39l
396
40l
407
413
418
424
430
436
442
449
44l
448
455
463
470
478
486
494
502
510
518
抗拉强度óbMPa
碳钢
1119
1133
1147
1162
1177
1192
1207
1222
1238
1254
1271
1288
1305
1322
1340
1359
1378
1397
1417
1438
铬钢
1074
1088
1102
1116
1131
1146
1161
1176
1192
1208
1225
1242
1260
1278
1296
1315
1335
1355
1376
1398
铬钒钢
1082
1098
1114
1131
1148
1165
1183
1201
1219
1238
1257
1276
1296
1317
1337
1358
1380
1401
1424
1446
铬镍钢
1063
1078
1093
1109
1125
1142
1159
1177
1195
1214
1233
1252
1273
1293
1314
1336
1358
1380
1404
1427
铬钼钢
1058
1074
1090
1106
1122
1139
1157
1174
1192
1211
1230
1249
1269
1289
1310
1331
1353
1375
1397
1420
铬镍
钼钢
1087
1103
1119
1136
1153
1171
1189
1207
1226
1245
1265
1285
1306
1327
1348
1370
1392
1415
1439
1462
铬锰
硅钢
1079
1094
1108
1123
1139
1155
1171
1187
1204
1222
1240
1258
1277
1296
1316
1336
1357
1378
1400
1422
超高
强度钢
1170
1195
1219
1243
1267
1290
1313
1336
1359
1381
1404
1427
1450
1473
1496
1520
1544
1569
1594
1620
不锈钢
1074
1087
1101
1116
1130
1145
1161
1176
1193
1209
1226
1244
1262
1280
1299
1319
1339
1361
1383
1405

1459
1481
1503
1526
1550
1575
1600
1626
1653
1681
1710
1420
1444
1468
1493
1519
1546
1574
1603
1633
1665
1698
1732
1768
1469
1493
1517
1541
1566
1591
1617
1643
1670
1697
1724
1752
1780
1451
1476
1502
1527
1554
1581
1608
1636
1665
1695
1724
1755
1786
1444
1468
1492
1517
1542
1568
1595
1622
1649
1677
1706
1735
1764
硬 度
1487
1512
1537
1563
1589
1616
1643
1671
1699
1728
1758
1788
1819
1445
1469
1493
1517
1543
1569
1595
1623
1651
1679
1709
1739
1770
1646
1674
1702
1731
1761
1792
1429
1453
1479
1505
1533
1562
1592
1623
1655
1689
1725
洛 氏
HRC
51.5
52．O
52.5
53.0
53.5
54.0
54.5
55．O
55.5
56．O
56.5
57．O
57.5
58.0
58.5
59.0
59.5
60.0
60.5
61.0
61.5
62.0
62.5
63.0
63.5
64.0
64.5
65．O
HRA
76.6
76.9
77.1
77.4
77.7
77.9
78.2
78.5
78.7
79．O
79.3
79.5
79.8
80.1
80.3
80.6
80.9
81.2
81.4
81.7
82．O
82.2
82.5
82.8
83.1
83.3
83.6
83.9
HRl5N
86.6
86.8
87.1
87.4
87.6
87.9
88.1
88.4
88.6
88.9
89.1
89.4
89,6
89.8
90．O
90.2
90.4
90.6
90.8
91．O
91.2
91.4
91.5
91.7
91.8
91.9
92.1
92.2
表面洛氏
HR30N
70．O
70.4
70.9
71.3
71.8
72.2
72.6
73.1
73.5
73.9
74.4
74.8
75.2
75.6
76.1
76.5
76.9
77.3
77.7
78.1
78.6
79．O
79.4
79.8
80.2
80.6
81．O
81.3
HR45N
56.5
57.1
57.6
58.2
58.8
59.4
59.9
60.5
61.1
61.7
62.2
62.8
63.4
63.9
64.5
65.1
65.6
66.2
66.8
67.3
67.9
68.4
69.0
69.5
70.1
70.6
71.2
71.7
维 氏
HV
535
544
552
561
569
578
587
596
606
615
625
635
645
655
666
676
687
698
710
72l
733
745
757
770
782
795
809
822
布氏(F／D
2
=30)
HBS HBW
527
535
544
552
56l
569
577
585
593
601
608
616
622
628
634
639
643
647
650

65.5
66.0
66.5
67．O
67.5
68．O
84.1
84.4
84.7
85．O
85.2
85.5
抗拉强度ób／MPa
836
850
865
86
894
909
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
1824
1857
1892
1929
1966
不锈钢
1809
1839
1869

1806
1845
1899
1930
1961
1993
2026
1818
1850
1883
1917
1951
1986
2022
2058
1794
1825
1856
1888
1850
1881
1914
1947
1801
1834
1867
1901
1936
1971
2008
2045
2006
2047
2090
2135
2181
2230
2281
2334
2390
2448
2509
2572
2639

附表4黑色金属硬度及强度换算值(主要适用于低碳钢)
硬 度
洛氏
HRB
60．O
60.5
61.0
61.5
62．O
62.5
63．O
63.5
64．O
64.5
65．O
HR15T
80.4
80.5
80.7
80.8
80.9
81.1
81.2
81.4
81.5
81.6
81.8
表面洛氏
HR30T
56.1
56.4
56.7
57.1
57.4
57.7
58．O
58.3
58.7
59.0
59.3
HR45T
30.4
30.9
31.4
31.9
32.4
32.9
33.5
34.0
34.5
35.0
35.5
维氏
HV
105
105
106
107
108
108
109
llO
110
11l
112
布 氏
HBS
F／D2=10
102
102
103
103
104
104
105
105
106
106
107

F／D2=30
375
377
379
381
382
384
386
388
390
393
395
抗拉强度ób
／MPa

65.5
66．O
66.5
67．O
67.5
68．O
68.5
69．O
69.5
70．O
70.5
71．O
71.5
72.0
72.5
73．O
73.5
74．O
74.5
81.9
82.1
82.2
82.3
82.5
82.6
82.7
82.9
83.0
83.2
83.3
83.4
83.6
83.7
83.9
84．O
84.1
84.3
84.4
59.6
59.9
60.3
60.6
60.9
61.2
61.5
61.9
62.2
62.5
62.8
63.1
63.5
63.8
64.1
64.4
64.7
65.1
65.4
36.1
36.6
37.1
37.6
38.1
38.6
39.2
39.7
40.2
40.7
41.2
41.7
42.3
42.8
43.3
43.8
44.3
44.8
45.4
硬 度
113
114
115
115
116
117
118
119
120
12l
122
123
124
125
126
128
129
130
13l
107
108
108
109
110
110
111
112
112
113
114
115
115
116
117
118
119
120
12l
397
399
402
404
407
409
412
415
418
42l
424
427
430
433
437
440
444
447
451
洛氏
HRB
75．O
75.5
76．O
76.5
77．O
77.5
78．O
78.5
79.0
79.5
80.0
80.5
81．O
81.5
82.0
82.5
83．O
83.5
84.0
84.5
HR15T
84.5
84.7
84.8
85．O
85.1
85.2
85.4
85.5
85.7
85.8
85.9
86.1
86.2
86.3
86.5
86.6
86.8
86.9
87．O
87.2
表面洛氏
HR30T
65.7
66．O
66.3
66.6
67.0
67.3
67.6
67.9
68.2
68.6
68.9
69.2
69.5
69.8
70.2
70.5
70.8
71.1
71.4
71.8
HR45T
45.9
46.4
46.9
47.4
47.9
48.5
49．O
49.5
50.0
50.5
51.0
51.6
52.1
52.6
53.1
53.6
54.1
54.7
55.2
55.7
维氏
HV
132
134
135
136
138
139
140
142
143
145
146
148
149
151
152
154
156
157
159
16l
122
123
124
125
126
127
128
129
130
132
133
134
136
137
138
140
布 氏
HBS
F／D?=10 F／D?=30
抗拉强度ób
MPa
455
459
463
152
155
156
158
159
16l
163
164
166
168
170
172
174
467
471
475
480
484
489
493
498
503
508
513
518
523
529
534
540
546

85．O
85.5
86．O
86.5
87．O
87.5
88．O
88.5
89.0
89.5
87.3
87.5
87.6
87.7
87.9
88.0
88.1
88.3
88.4
88.6
72.1
72.4
72.7
73．O
73.4
73.7
74．O
74.3
74.6
75．O
56.2
56.7
57.2
57.8
58.3
58.8
59.3
59.8
60.3
60.9
硬 度
163
165
166
168
170
172
174
176
178
180
551
557
563
570
576
582
589
596
603
609
洛氏
HRB
90．O
90.5
91.0
91.5
92．O
92.5
93．O
93.5
94.0
94.5
95.5
95.0
96．O
96.5
97．O
97.5
98．O
98.5
99.0
99.5
100.0
HR15T
88.7
88.8
89.0
89.1
89.3
89.4
89.5
89.7
89.8
89.9
90.1
90.2
90.4
90.5
90.6
90.8
90.9
91.1
91.2
91.3
91.5
表面洛氏
HR30T
75.3
75.6
75.9
76.2
76.6
76.9
77.2
77.5
77.8
78.2
78.5
78.8
79.1
79.4
79.8
80.1
80.4
80.7
81.0
81.4
81.7
HR45T
61.4
61.9
62.4
62.9
63.4
64．O
64.5
65．O
65.5
66.0
66.5
67.1
67.6
68.1
68.6
69.1
69.6
70.2
70.7
71.2
71.7
维氏
HV
183
185
187
189
191
194
196
199
201
203
206
208
211
214
216
219
222
225
227
230
233

布 氏
HBS
F／D?=10 F／D?=30
176
178
180
182
184
187
189
192
195
197
200
203
206
209
212
215
218
222
226
229
232
抗拉强度ób
／MPa
617
624
63l
639
646
654
662
670
678
686
695
703
712
721
730
739
749
758
768
778
788