鋼管之家:優(yōu)質(zhì)碳素結(jié)構(gòu)鋼的力學(xué)性能
牌號 |
試樣毛坯尺寸
/mm |
推薦熱處理/℃ |
力學(xué)性能 |
鋼材交貨狀態(tài)硬度
HBS10/300≤ | |||||||
正火 |
淬火 |
回火 |
ób/MPa |
ós/MPa |
δ5(%) |
Ψ(%) |
AKu2/J | ||||
≥ |
未熱處理鋼 |
退火鋼 | |||||||||
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 |
籃 |
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 |
60 |
25 |
810 |
|
|
675 |
400 |
12 |
35 |
|
255 |
229 |
65 |
25 |
810 |
|
|
695 |
410 |
10 |
30 |
|
255 |
229 |
70 |
25 |
790 |
|
|
715 |
420 |
9 |
30 |
|
269 |
229 |
75 |
試樣 |
|
820 |
480 |
1080 |
880 |
7 |
30 |
|
285 |
241 |
80 |
試樣 |
|
820 |
480 |
1080 |
930 |
6 |
30 |
|
285 |
241 |
85 |
試樣 |
|
820 |
480 |
1130 |
980 |
6 |
30 |
|
302 |
255 |
15Mn |
25 |
920 |
|
|
410 |
245 |
26 |
55 |
|
163 |
|
20Mn |
25 |
910 |
|
|
450 |
275 |
24 |
50 |
|
197 |
|
25Mn |
25 |
900 |
870 |
600 |
490 |
295 |
22 |
50 |
71 |
207 |
|
30Mn |
25 |
880 |
860 |
600 |
540 |
315 |
20 |
45 |
63 |
217 |
187 |
35Mn |
25 |
870 |
850 |
600 |
560 |
335 |
18 |
45 |
55 |
229 |
197 |
40Mn |
25 |
860 |
840 |
600 |
590 |
355 |
17 |
45 |
47 |
229 |
207 |
45Mn |
25 |
850 |
840 |
600 |
620 |
375 |
15 |
40 |
39 |
241 |
217 |
50Mn |
25 |
830 |
830 |
600 |
645 |
390 |
13 |
40 |
31 |
255 |
217 |
60Mn |
25 |
810 |
|
|
695 |
410 |
11 |
35 |
|
269 |
229 |
65Mn |
25 |
830 |
|
|
735 |
430 |
9 |
30 |
|
285 |
229 |
70Mn |
25 |
790 |
|
|
785 |
450 |
8 |
30 |
|
285 |
229 |
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