?????????-????15CrMo??????-??й???GB9948????????
????15CrMo??????
??????
|
??? |
??????(????????)(%) |
|
C |
Si |
Mn |
Cr |
Mo |
Ni |
B |
V |
|
15CrMo |
0.12-0.18 |
0.17-0.37 |
0.40-0.70 |
0.80-1.10 |
0.40-0.55 |
- |
- |
- |
???????
|
??? |
???????MPa |
??????MPa |
???????(%) |
??????????(%) |
|
15CrMo |
440 |
295 |
22 |
60 |
??????
GB5310-1995??GB17396-1998??DIN17175-79??GB6479-2000??GB9948-88
??????
??????????????????ˉ??????????????????????? ?????15CrMo??????????????????
|
??14x2 |
??57x3-3.5-4-5-6-7-9 |
??159x14-18-20-25 |
|
??16x3 |
??60.3x5-6-6.5-8-8.5-10 |
??159x18x8-12 |
|
??18x2x7.1M |
??73x5.2x6 |
??168x5-7.11 -8-10-12-18 |
|
??25.4x3x5 |
??76x4 |
??168.3x16-22x12M |
|
??28x4 |
??76.2x6 |
??194x6 |
|
??31.8x4x12M |
??76.3x8-10 |
??193.7x8-10 |
|
??32 x 3-4-6-8 |
??108-133 x 5-6-8-10-12 |
??323.9x10-12-13-13.5-16-17.5-20 |
|
??38x4x7 |
??194x 6-8-12-20-26-38 |
??323.9x25x12M |
|
??38 x 3-4-4.5-6-8 |
??219.1x6-8-12-18-20-26-38 |
??323.9x26-30-32-42 |
?????????????
?????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 |
?? |
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|
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