?????????|????45#????????|???????????
????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????
???????????
|
???? |
???? |
38??5 |
20# |
???? |
??????? |
|
???? |
???? |
38??8 |
20# |
???? |
??????? |
|
???? |
???? |
40??4 |
20# |
???? |
??????? |
|
???? |
???? |
36??3 |
20# |
???? |
??????? |
|
???? |
???? |
36??4 |
20# |
???? |
??????? |
|
???? |
???? |
36??5 |
20# |
???? |
??????? |
|
???? |
???? |
36??6 |
20# |
???? |
??????? |
|
???? |
???? |
36??8 |
20# |
???? |
??????? |
|
???? |
???? |
38??10 |
20# |
???? |
??????? |
|
???? |
???? |
32??8 |
20# |
???? |
??????? |
|
???? |
???? |
34??3 |
20# |
???? |
??????? |
|
???? |
???? |
34??4 |
20# |
???? |
??????? |
|
???? |
???? |
34??5 |
20# |
???? |
??????? |
|
???? |
???? |
34??6 |
20# |
???? |
??????? |
|
???? |
???? |
34??8 |
20# |
???? |
??????? |
|
???? |
???? |
30??6 |
20# |
???? |
??????? |
|
???? |
???? |
30??8 |
20# |
???? |
??????? |
|
???? |
???? |
32??3 |
20# |
???? |
??????? |
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