???????????-????27SiMn????????-3????273*28?????????
???????????????????????????????????????,??27SiMn??????????
????27SiMn???????:
 
3????273*28?????????:
|
27SiMn???????(GB/T17396-1998) |
|
??? |
???? |
??? |
???? |
??? |
???? |
??? |
???? |
|
83*13 |
3?? |
127*10 |
3?? |
168*20 |
3?? |
245*27 |
3?? |
|
83*14 |
3?? |
127*17 |
3?? |
168*32 |
3?? |
245*32 |
??? |
|
89*16 |
3?? |
133*16 |
3?? |
180*21 |
3?? |
273*28 |
3?? |
|
95*9.2 |
3?? |
133*16 |
3?? |
180*22 |
3?? |
273*30 |
3?? |
|
95*10 |
3?? |
133*22 |
3?? |
180*25 |
3?? |
273*36 |
3?? |
|
95*15 |
3?? |
140*18 |
3?? |
180*40 |
3?? |
299*30 |
3?? |
|
102*14 |
3?? |
146*14 |
3?? |
194*21 |
3?? |
325*30 |
3?? |
|
114*9.2 |
3?? |
152*17 |
3?? |
203*26 |
3?? |
377*35 |
3?? |
|
114*10 |
3?? |
159*16 |
3?? |
219*22 |
3?? |
?? |
?? |
|
114*19 |
3?? |
159*21 |
3?? |
219*25 |
3?? |
?? |
?? |
|
121*14 |
3?? |
168*18 |
3?? |
232*31 |
3?? |
?? |
?? |
27SiMn???????
27SiMn???????????????????A10272
??????
|
??? |
??????(????????)(%) |
|
C |
Si |
Mn |
|
27SiMn |
0.24-0.32 |
1.10-1.40 |
1.10-1.40 |
???????
|
??????? |
|
???????
???(mm) |
?????????????(??) |
?????????
(??) |
???????
(??b/MPa) |
|
????? |
????? |
|
25 |
920??
???????? |
- |
450??
???????????? |
?R980 |
|
??????? |
|
??????
(??s/MPa) |
???????
(??5/%) |
??????????
(??/%) |
????????
(Aku2/J) |
???????(HBS100/3000)
(???????????) |
|
?R835 |
?R12 |
?R40 |
?R39 |
?Q217 |
?????????????????????????????????????????????????????????????????????????????????????????С???????????????????????????????????????????????????????????,??????????????20#??45#??16MN??Q345??A/B/C/D/E????27SIMN??15CrMO??12Cr1MOV??10CrMO910??304??304L??316??316L??321??P11??P22??P91??T91.??й???GB8162-99?????GB8163-99????????????ù?????????GB3087-99??GB5310-85????????ˉ?ù??GB5312-8???ù??...
???????????0510-88264321??88223334 ???棺0510-88223334 ?????18921237777
|
?????λ???
?? ? ? ?? 
