?????????-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????
??????
??? |
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 |
45#?????????????
168*17 |
245*44 |
245*8 |
273*30 |
245*12 |
299*31 |
245*14 |
299*32 |
245*16 |
325*40 |
245*25 |
351*30 |
245*30 |
377*30 |
245*40 |
|
?????????δ?????45# ??????????綽?????????????????????????????????!
???:
(1)GB/T8162-1999(?????????)????????????????е????
(2)GB/T17396-1998(????????????????)?????????????ú??????????????????????????????
(3)GB/T3639-1983(??λ??????????????)??????????е???????豸????????羫????????????????
(4)GB/T8713-1988(??????????t???????????)?????????????????????????????о????????????λ???????????
(5)YB/T5035-1993(??????????????????)??????????????????????????????????????????????????????????????????
20#45#???????????
20#45#????????????????
510*22 |
520*30 |
530*28 |
540*55 |
580*50 |
630*40 |
510*25 |
520*40 |
530*30 |
540*60 |
580*55 |
630*50 |
510*28 |
520*35 |
530*35 |
540*65 |
580*65 |
630*55 |
510*30 |
520*45 |
530*40 |
550*20 |
610*20 |
630*60 |
510*35 |
520*50 |
530*45 |
550*25 |
610*25 |
630*80 |
510*38 |
520*55 |
530*50 |
550*30 |
610*30 |
700*20 |
510*40 |
520*60 |
530*55 |
550*35 |
610*35 |
700*25 |
510*45 |
520*65 |
530*60 |
550*40 |
610*45 |
700*30 |
510*50 |
520*80 |
530*65 |
550*55 |
610*55 |
710*25 |
510*55 |
530*10 |
530*75 |
550*60 |
630*10 |
710*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
|