?? ?????????λ?????? >> ????? >>
???????GB??T3077??1999?? |
???? 61 ????? |
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72014212016 |
???????? |
???????GB??T3077??1999?? |
?橈???? |
219??8 |
???????? |
16mn |
??????? |
100/?? |
????????? |
??? |
???????? |
?????? |
?????? |
??????? - ?????????? |
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 ?? ? ? ?? |
??3??15????????????????
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????? |
?? ?? |
??????(????????)(??) |
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C |
Si |
Mn |
Cr |
Mo |
Ni |
B |
V |
???? |
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Mn |
l |
A00202 |
20Mn2 |
0.17??0.24 |
0.17??O??37 |
1.40??1.80 |
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2 |
A00302 |
30Mn2 |
O??27??O??34 |
0.17??O??37 |
1.40??1.80 |
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3 |
A00352 |
35Mn2 |
O??32??0.39 |
O??17??0.37 |
1.40??1.80 |
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4 |
A00402 |
40Mn2 |
O??37??0.44 |
0.17??0.37 |
1.40??1.80 |
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5 |
A00452 |
45Mn2 |
0.42??O??49 |
0.17??0.37 |
1.40??1.80 |
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Mn |
6 |
A00502 |
50Mn2 |
O??47??O??55 |
O??17??O??37 |
1.40??1.80 |
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MnV |
7 |
A01202 |
20MnV |
O??17??0.24 |
O??17??O??37 |
1.30??.60 |
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O??07??O??12 |
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siMn |
8 |
A1O272 |
27siMn |
O??24??O??32 |
1.10??1.40 |
1.10??1.40 |
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9 |
A10352 |
35siMn |
O??32??0.40 |
1.10??1.40 |
1.10??1.40 |
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10 |
A10422 |
42siMn |
O??39??0.45 |
1.10??1.40 |
1.10??1.40 |
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SiMn-
MOV |
ll |
A14202 |
20SiMn2MOV |
O??17??O??23 |
O??90??1??20 |
2.20??2.60 |
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0.30??O??40 |
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0??05??O??12 |
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12 |
A14262 |
25SiMn2MOV |
O??22??O??28 |
O??90??1.20 |
2.20??2.60 |
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O??30??0.40 |
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0.05??0.12 |
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13 |
A14372 |
37SiMn2MOV |
0.33??O??39 |
O??60??O??90 |
1.60??1.90 |
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O??40??O??50 |
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O??05??O??12 |
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B |
14 |
A70402 |
40B |
O??37??O??44 |
O??17??O??31 |
0??60??O??90 |
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0.0005?? O??0035 |
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15 |
A70452 |
45B |
0.42??0.49 |
0.17??O??37 |
O??60??O??90 |
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O??0005?? O??0035 |
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16 |
A70602 |
50B |
O??47??O??55 |
0.17??0.37 |
0.60??0.90 |
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O??0005?? O??0035 |
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MnB |
17 |
A71402
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40MnB |
O??37??0.44 |
O??17??0.37 |
1.10??1.40 |
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0.0005?? 0??O035 |
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18 |
A71452 |
45MnB |
O??42??O??49 |
O??17??0.37 |
1.10??1.40 |
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0??0005?? O??0035 |
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Mn
MoB |
19 |
A72202 |
20MnMOB |
0.16??O??22 |
0??17??O??37 |
O??90??1.20 |
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O??20 ??O??30 |
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O??0005?? O??0035 |
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MnVB |
20 |
A73152 |
15MnVB |
O??12??O??18 |
O??17??0.37 |
1.20??1??60 |
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O??0005??
O??0035 |
0.07??0.12 |
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21 |
A73202 |
20MnVB |
0.17??0.23 |
O??17??0.37 |
1.20??1.60 |
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O??005??
0.0035 |
O??07??O??12 |
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???? |
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?? |
????
????? |
?? ?? |
??????(????????)(??) |
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C |
Si |
Mn |
Cr |
Mo |
Ni |
B |
V |
???? |
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22 |
A73402 |
40MnVB |
0.37??O??44 |
O??17??O??37 |
1.10??1.40 |
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O??0005?? 0.0035 |
O??05??O??10 |
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MnTiB |
23
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A74202
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20MnTiB |
0.17??O??24 |
O??17??O??37 |
1.30??1.60 |
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O??0005?? O??0035 |
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Ti0.04??O??10 |
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24 |
A74252 |
25MnTiBRE |
0.22??O??28 |
0.2Q??0.45 |
1.30??1.60 |
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0.0005??
0.0035 |
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Ti
0.04??O??10 |
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Cr |
25 |
A20152 |
15Cr |
0.12??0.18 |
O??17??0.37 |
O??40??0.70 |
O??70??1.00 |
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26 |
A20153 |
15CrA |
O??12??O??17 |
O??17??O??37 |
0.40??O??70 |
0.70??1.00 |
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27 |
A20202 |
20Cr |
0.18??O??24 |
O??17??O??37 |
O??50??O??80 |
O??70??1.00 |
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28 |
A20302 |
30 Cr |
0.27??O??34 |
O??17??O??37 |
O??50??0.80 |
0.80??1.10 |
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| ???????2937 ??????2018/11/2 ?????????? ??????? |
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