|
黑色金属硬度及强度换算值之二 (GB/T 1172—1999) |
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|
硬 度 |
抗拉强度 σb/N·mm-2 |
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|
洛氏 |
表面洛氏 |
维氏 |
布氏 |
||||
|
HRB |
HR15T |
HR30T |
HR45T |
HV |
HBS |
||
|
F/D2＝10 |
F/D2＝30 |
||||||
|
60.0 |
80.4 |
56.1 |
30.4 |
105 |
102 |
|
375 |
|
60.5 |
80.5 |
56.4 |
30.9 |
105 |
102 |
|
377 |
|
61.0 |
80.7 |
56.7 |
31.4 |
106 |
103 |
|
379 |
|
61.5 |
80.8 |
57.1 |
31.9 |
107 |
103 |
|
381 |
|
62.0 |
80.9 |
57.4 |
32.4 |
108 |
104 |
|
382 |
|
|
|
|
|
|
|
|
|
|
62.5 |
81.1 |
57.7 |
32.9 |
108 |
104 |
|
384 |
|
63.0 |
81.2 |
58.0 |
33.5 |
109 |
105 |
|
386 |
|
63.5 |
81.4 |
58.3 |
34.0 |
110 |
105 |
|
388 |
|
64.0 |
81.5 |
58.7 |
34.5 |
110 |
106 |
|
390 |
|
64.5 |
81.6 |
59.0 |
35.0 |
111 |
106 |
|
393 |
|
|
|
|
|
|
|
|
|
|
65.0 |
81.8 |
59.3 |
35.5 |
112 |
107 |
|
395 |
|
65.5 |
81.9 |
59.6 |
36.1 |
113 |
107 |
|
397 |
|
66.0 |
82.1 |
59.9 |
36.6 |
114 |
108 |
|
399 |
|
66.5 |
82.2 |
60.3 |
37.1 |
115 |
108 |
|
402 |
|
67.0 |
82.3 |
60.6 |
37.6 |
115 |
109 |
|
404 |
|
|
|
|
|
|
|
|
|
|
67.5 |
82.5 |
60.9 |
38.1 |
116 |
110 |
|
407 |
|
68.0 |
82.6 |
61.2 |
38.6 |
117 |
110 |
|
409 |
|
68.5 |
82.7 |
61.5 |
39.2 |
118 |
111 |
|
412 |
|
69.0 |
82.9 |
61.9 |
39.7 |
119 |
112 |
|
415 |
|
69.5 |
83.0 |
62.2 |
40.2 |
120 |
112 |
|
418 |
|
|
|
|
|
|
|
|
|
|
70.0 |
83.2 |
62.5 |
40.7 |
121 |
113 |
|
421 |
|
70.5 |
83.3 |
62.8 |
41.2 |
122 |
114 |
|
424 |
|
71.0 |
83.4 |
63.1 |
41.7 |
123 |
115 |
|
427 |
|
71.5 |
83.6 |
63.5 |
42.3 |
124 |
115 |
|
430 |
|
72.0 |
83.7 |
63.8 |
42.8 |
125 |
116 |
|
433 |
|
|
|
|
|
|
|
|
|
|
72.5 |
83.9 |
64.1 |
43.3 |
126 |
117 |
|
437 |
|
73.0 |
84.0 |
64.4 |
43.8 |
128 |
118 |
|
440 |
|
73.5 |
84.1 |
64.7 |
44.3 |
129 |
119 |
|
444 |
|
74.0 |
84.3 |
65.1 |
44.8 |
130 |
120 |
|
447 |
|
74.5 |
84.4 |
65.4 |
45.4 |
131 |
121 |
|
451 |
|
|
|
|
|
|
|
|
|
|
75.0 |
84.5 |
65.7 |
45.9 |
132 |
122 |
|
455 |
|
75.5 |
84.7 |
66.0 |
46.4 |
134 |
123 |
|
459 |
|
76.0 |
84.8 |
66.3 |
46.9 |
135 |
124 |
|
463 |
|
76.5 |
85.0 |
66.6 |
47.4 |
136 |
125 |
|
467 |
|
77.0 |
85.1 |
67.0 |
47.9 |
138 |
126 |
|
471 |
|
|
|
|
|
|
|
|
|
|
77.5 |
85.2 |
67.3 |
48.5 |
139 |
127 |
|
475 |
|
78.0 |
85.4 |
67.6 |
49.0 |
140 |
128 |
|
480 |
|
78.5 |
85.5 |
67.9 |
49.5 |
142 |
129 |
|
484 |
|
79.0 |
85.7 |
68.2 |
50.0 |
143 |
130 |
|
489 |
|
79.5 |
85.8 |
68.6 |
50.5 |
145 |
132 |
|
493 |
|
|
|
|
|
|
|
|
|
|
80.0 |
85.9 |
68.9 |
51.0 |
146 |
133 |
|
498 |
|
80.5 |
86.1 |
69.2 |
51.6 |
148 |
134 |
|
503 |
|
81.0 |
86.2 |
69.5 |
52.1 |
149 |
136 |
|
508 |
|
81.5 |
86.3 |
69.8 |
52.6 |
151 |
137 |
|
513 |
|
82.0 |
86.5 |
70.2 |
53.1 |
152 |
138 |
|
518 |
|
|
|
|
|
|
|
|
|
|
82.5 |
86.6 |
70.5 |
53.6 |
154 |
140 |
|
523 |
|
83.0 |
86.8 |
70.8 |
54.1 |
156 |
|
152 |
529 |
|
83.5 |
86.9 |
71.1 |
54.7 |
157 |
|
154 |
534 |
|
84.0 |
87.0 |
71.4 |
55.2 |
159 |
|
155 |
540 |
|
84.5 |
87.2 |
71.8 |
55.7 |
161 |
|
156 |
546 |
|
|
|
|
|
|
|
|
|
|
85.0 |
87.3 |
72.1 |
56.2 |
163 |
|
158 |
551 |
|
85.5 |
87.5 |
72.4 |
56.7 |
165 |
|
159 |
557 |
|
86.0 |
87.6 |
72.7 |
57.2 |
166 |
|
161 |
563 |
|
86.5 |
87.7 |
73.0 |
57.8 |
168 |
|
163 |
570 |
|
87.0 |
87.9 |
73.4 |
58.3 |
170 |
|
164 |
576 |
|
|
|
|
|
|
|
|
|
|
87.5 |
88.0 |
73.7 |
58.8 |
172 |
|
166 |
582 |
|
88.0 |
88.1 |
74.0 |
59.3 |
174 |
|
168 |
589 |
|
88.5 |
88.3 |
74.3 |
59.8 |
176 |
|
170 |
596 |
|
89.0 |
88.4 |
74.6 |
60.3 |
178 |
|
172 |
603 |
|
89.5 |
88.6 |
75.0 |
60.9 |
180 |
|
174 |
609 |
|
|
|
|
|
|
|
|
|
|
90.0 |
88.7 |
75.3 |
61.4 |
183 |
|
176 |
617 |
|
90.5 |
88.8 |
75.6 |
61.9 |
185 |
|
178 |
624 |
|
91.0 |
89.0 |
75.9 |
62.4 |
187 |
|
180 |
631 |
|
91.5 |
89.1 |
76.2 |
62.9 |
189 |
|
182 |
639 |
|
92.0 |
89.3 |
76.6 |
63.4 |
191 |
|
184 |
646 |
|
|
|
|
|
|
|
|
|
|
92.5 |
89.4 |
76.9 |
64.0 |
194 |
|
187 |
654 |
|
93.0 |
89.5 |
77.2 |
64.5 |
196 |
|
189 |
662 |
|
93.5 |
89.7 |
77.5 |
65.0 |
199 |
|
192 |
670 |
|
94.0 |
89.8 |
77.8 |
65.5 |
201 |
|
195 |
678 |
|
94.5 |
89.9 |
78.2 |
66.0 |
203 |
|
197 |
686 |
|
|
|
|
|
|
|
|
|
|
95.0 |
90.1 |
78.5 |
66.5 |
206 |
|
200 |
695 |
|
95.5 |
90.2 |
78.8 |
67.1 |
208 |
|
203 |
703 |
|
96.0 |
90.4 |
79.1 |
67.6 |
211 |
|
206 |
712 |
|
96.5 |
90.5 |
79.4 |
68.1 |
214 |
|
209 |
721 |
|
97.0 |
90.6 |
79.8 |
68.6 |
216 |
|
212 |
730 |
|
|
|
|
|
|
|
|
|
|
97.5 |
90.8 |
80.1 |
69.1 |
219 |
|
215 |
739 |
|
98.0 |
90.9 |
80.4 |
69.6 |
222 |
|
218 |
749 |
|
98.5 |
91.1 |
80.7 |
70.2 |
225 |
|
222 |
758 |
|
99.0 |
91.2 |
81.0 |
70.7 |
227 |
|
226 |
768 |
|
99.5 |
91.3 |
81.4 |
71.2 |
230 |
|
229 |
778 |
|
|
|
|
|
|
|
|
|
|
100.0 |
91.5 |
81.7 |
71.7 |
233 |
|
232 |
788 |
|
|
|
|
|
|
|
|
|
|
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。本表主要适用于低碳钢。 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。 |
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