45#?????????????-?????gb8162???????
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
|
168*17 |
245*44 |
|
245*8 |
273*30 |
|
245*12 |
299*31 |
|
245*14 |
299*32 |
|
245*16 |
325*40 |
|
245*25 |
351*30 |
?????????????????????????????????????????????????????????????????????????????????????????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???
?? ? ? ?? 
