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钢号 |
试样毛坯尺寸/mm |
热处理温度/℃ |
力学性能 |
交货状态硬度/HBW(不大于) | |||||||
正火 |
淬火 |
回火 |
Rm/MPa |
Rel/MPa |
A/% |
Z/% |
AKV/J |
未热处理钢 |
退火钢 | ||
(不小于) | |||||||||||
08F |
25 |
930 |
— |
— |
295 |
175 |
35 |
60 |
— |
131 |
— |
10F |
25 |
930 |
— |
— |
315 |
185 |
33 |
55 |
— |
137 |
— |
15F |
25 |
920 |
— |
— |
355 |
205 |
29 |
55 |
— |
143 |
— |
08 |
25 |
930 |
— |
— |
325 |
195 |
33 |
60 |
— |
131 |
— |
10 |
25 |
930 |
— |
— |
335 |
205 |
31 |
55 |
— |
137 |
— |
15 |
25 |
920 |
— |
— |
375 |
225 |
27 |
55 |
— |
143 |
— |
20 |
25 |
910 |
— |
— |
410 |
245 |
25 |
55 |
— |
156 |
— |
25 |
25 |
900 |
870 |
600 |
450 |
275 |
23 |
50 |
71 |
170 |
— |
30 |
25 |
880 |
860 |
600 |
490 |
295 |
21 |
50 |
63 |
179 |
— |
35 |
25 |
870 |
850 |
600 |
530 |
315 |
20 |
45 |
55 |
197 |
— |
40 |
25 |
860 |
840 |
600 |
570 |
335 |
19 |
45 |
47 |
217 |
187 |
45 |
25 |
850 |
840 |
600 |
600 |
355 |
16 |
40 |
39 |
229 |
197 |
50 |
25 |
830 |
830 |
600 |
630 |
375 |
14 |
40 |
31 |
241 |
207 |
55 |
25 |
820 |
820 |
600 |
645 |
380 |
13 |
, 35 |
— |
255 |
217 |
|