?????????-???????45#?????-?????????и?????
??е?????45#????????
???
|
89x12 |
146x30 |
194x35 |
245x50 |
377x20 |
|
89x20 |
159x18 |
194x40 |
245x55 |
377x25 |
|
89x26 |
159x22 |
194x50 |
273x20 |
377x30 |
|
89x30 |
159x25 |
219x20 |
273x22 |
377x35 |
|
108x16 |
159x30 |
219x25 |
273x25 |
377x40 |
|
108x20 |
159x35 |
219x28 |
273x28 |
377x45 |
|
108x26 |
159x40 |
219x30 |
273x30 |
377x50 |
|
108x30 |
168x20 |
219x35 |
273x32 |
377x55 |
|
114x18 |
168x25 |
219x40 |
273x35 |
377x60 |
|
114x22 |
168x28 |
219x45 |
273x40 |
406x20 |
|
114x28 |
168x30 |
219x48 |
273x45 |
406x26 |
|
133x18 |
168x35 |
219x50 |
273x50 |
406x32 |
|
133x22 |
168x40 |
203x20 |
273x55 |
406x40 |
|
133x26 |
180x16 |
203x30 |
325x20 |
426x20 |
|
133x30 |
180x20 |
203x40 |
325x25 |
426x25 |
|
140x20 |
180x25 |
245x20 |
325x30 |
426x30 |
|
140x25 |
180x30 |
245x25 |
325x35 |
426x35 |
|
140x28 |
180x35 |
245x28 |
325x40 |
426x40 |
|
140x32 |
180x40 |
245x30 |
325x45 |
426x50 |
|
140x40 |
194x18 |
245x35 |
325x50 |
426x60 |
|
146x20 |
194x24 |
245x40 |
325x55 |
|
|
146x25 |
194x30 |
245x45 |
325x60 |
|
45#????
?????е????????????????????????????????????????????????????á?
45??
???????????????????????450???????????????????????????????????顣
45???
?????????0.42-0.50%????????????0.17-0.37%????????????0.50-0.80%???????????<=0.035%???????????<=0.035%???????????<=0.25%???????????<=0.2545??
???0.45%?????
?????????????
????850
???840
???600
??????????С??600Mpa
??????????С??355Mpa
?????10%
???????40%
???????39J
??????????????????
δ??????229HBS
?????197HBS
??t???
????????????????????????????????????????????????????????????
??????
??756mm?????100mm????
??????
|
??? |
45#?????????(????????)(%) |
|
45 |
C |
Si |
Mn |
Cr |
Ni |
Cu |
|
?? |
|
0.42-0.50 |
0.17-0.37 |
0.50-0.80 |
0.25 |
0.30 |
0.25 |
???????
|
??? |
??????? |
|
???????MPa |
??????MPa |
???????(%) |
??????????(%) |
|
45# |
600 |
355 |
16 |
40 |
??????
|
??? |
45#?????????(????????)(%) |
|
45 |
C |
Si |
Mn |
S |
P |
Cr |
Ni |
Cu |
|
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
??0.035 |
??0.035 |
??0.25 |
??0.25 |
??0.25 |
???????
|
??? |
??????? |
|
????????b (MPa) |
??????? ??s (MPa) |
???? ??5 (??) |
?????????? ?? (??) |
|
45# |
??410(42) |
??245(25) |
??25 |
??5 |
?????????????????????????????????????????????????????????????????????????????????????????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???
?? ? ? ?? 
