?????????-GB9948????????-16Mn??????????GB6479
?????????????
?????GB9948
?????
????????????????ˉ???????????????????????
??????????????
10??20??15CrMo??1Cr2Mo??1Cr5Mo??
????????
????10??20<??????????????ι?????>
????15CrMo<??????????+?????ι?????+???>
????1Cr2Mo<??????????+?????ι?????+???>
????1Cr5Mo<???>
?????????????????????????-???X???X0.02466=KG/M
??繫??
|
??????? |
??(D) |
?????(S) |
|
??ι? |
?????(mm) |
???????(mm) |
????? (mm) |
???????(mm) |
|
??30-50 |
??0.3 |
??30 |
??10% |
|
??50-219 |
??0.8% |
|
?????? |
??219 |
??1.0% |
??20 |
??10% |
???????
|
??? |
??? |
???????(MPa) |
???????(MPa) |
????(%) |
?????(J) |
???????(HB) |
?????? |
|
GB9948 |
10 |
330-490 |
??205 |
??24 |
/ |
/ |
???? |
|
20 |
410-550 |
??245 |
??21 |
??39 |
/ |
???? |
|
15CrMo |
440-640 |
??235 |
??21 |
??47 |
??170 |
??????? |
|
1Cr2Mo |
??390 |
??175 |
??22 |
??92 |
??179 |
??????? |
|
1Cr5Mo |
??390 |
??195 |
??22 |
??92 |
??187 |
??? |
??????
|
??? |
??? |
?????? |
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
|
GB9948 |
10 |
0.07-0.14 |
0.17-0.37 |
0.35-0.65 |
??0.035 |
??0.035 |
??0.15 |
/ |
??0.25 |
|
20 |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
??0.035 |
??0.035 |
??0.25 |
/ |
??0.25 |
|
15CrMo |
0.12-0.18 |
0.17-0.37 |
0.40-0.70 |
??0.035 |
??0.035 |
0.80-1.10 |
0.40-0.55 |
??0.30 |
|
1Cr2Mo |
??0.15 |
0.50-1.00 |
0.30-0.60 |
??0.035 |
??0.030 |
2.15-2.85 |
0.45-0.65 |
/ |
|
1Cr5Mo |
??0.15 |
??0.50 |
??0.60 |
??0.035 |
??0.030 |
4.00-6.00 |
0.45-0.60 |
?? |
?????
???
GB9948 ----?й???????
???
???????????????????????????????????
??????????
10??20??16Mn?????Э??????????????????
??繫??
|
?? |
??? |
|
?????(mm) |
??????? |
?????(mm) |
??????? |
|
?? 30 |
?? 0.20mm |
?? 3 |
+12 % ,-10 % |
|
> 30??50 |
?? 0.30mm |
> 3 |
??12 % |
|
> 50 |
?? 0.8% |
??е????
|
??? |
???????(MPa) |
???????(MPa) |
????(%) |
?????(J) |
???????(HB) |
?????? |
|
10 |
330-490 |
?? 205 |
?? 24 |
/ |
/ |
???? |
|
20 |
410-550 |
?? 245 |
?? 21 |
?? 39 |
/ |
???? |
|
12CrMo |
410-560 |
?? 205 |
?? 21 |
?? 55 |
?? 156 |
??????? |
|
15CrMo |
440-640 |
?? 235 |
?? 21 |
?? 47 |
?? 170 |
??????? |
|
1Cr2Mo |
?? 390 |
?? 175 |
?? 22 |
?? 92 |
?? 179 |
??????? |
|
1Cr19Ni9 |
?? 520 |
?? 205 |
?? 35 |
/ |
/ |
???? |
|
1Cr19Ni11Nb |
?? 520 |
?? 205 |
?? 35 |
/ |
/ |
???? |
??????
|
??? |
?????? |
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
Nb+Ti |
|
10 |
0.17-0.14 |
0.17-0.37 |
0.35-0.65 |
??0.035 |
??0.035 |
??0.15 |
/ |
??0.25 |
/ |
|
20 |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
??0.035 |
??0.035 |
??0.25 |
/ |
??0.25 |
/ |
|
12CrMo |
0.08-0.15 |
0.17-0.37 |
0.40-0.70 |
??0.035 |
??0.035 |
0.40-0.70 |
0.40-0.55 |
??0.30 |
/ |
|
15CrMo |
0.12-0.18 |
0.17-0.37 |
0.40-0.70 |
??0.035 |
??0.035 |
0.80-1.10 |
0.40-0.55 |
??0.30 |
/ |
|
1Cr2Mo |
?? 0.15 |
0.50-1.00 |
0.30-0.60 |
??0.035 |
??0.030 |
2.15-2.85 |
0.45-0.65 |
/ |
/ |
|
1Cr19Ni9 |
0.04-0.10 |
?? 1.00 |
?? 2.00 |
??0.035 |
??0.030 |
18.00-20.00 |
/ |
8.00-11.00 |
/ |
|
1Cr19Ni11Nb |
0.04-0.10 |
?? 1.00 |
?? 2.00 |
??0.035 |
??0.030 |
17.00-20.00 |
/ |
9.00-13.00 |
??8C-1.00 |
???????????? GB9948-1988????????
???????????????
??繫??
|
??繫?? |
|
??? |
??? |
??????? |
|
GB9948-1988 |
?? |
??159 |
??1.00% |
|
>159 |
??1.25% |
|
??? |
??20 |
??12.5% |
|
>20 |
??10.0% |
????????
?????????????????п???楨?????н?????????????????????????y??????
???
?????????????ˉ???????????????????????????????????10??20?????????12CrMo??15CrMo??????????12Cr2Mo??15Cr5Mo??????????1Cr18Ni9??1Cr18Ni9Ti????????????????????????е???????????????????????????飬??????????????????顣??????????????????? ?????????????????????????????????????????????????豸?????????????????????????????????????е??????????????????????????????????????
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????????????????е???????????????????????????г???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????￡???????????????????ι???????????????塣
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??????????ù????У???????????????????????????????????????????????????????????????????????????????????????????????ù?????Σ??????????????????????????楨???????????????á?
?????????????????????????????????????????????????????????????????????????????????????????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
|
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