????????ù?GB6479-?????????20G-20G??????ù?
?????????????????
?????
GB6479?????й???????
?????
???????????豸????????????
???????????????
10??20??16Mn??10MoWVNb??15CrMo??1Cr5Mo??12Cr2Mo??
??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) |
???3??Akv |
|
42*4 |
??? |
68*10 |
??? |
127*19 |
??? |
273*9.5 |
??? |
|
43*7 |
??? |
68*13 |
??? |
127*21 |
??? |
273*13 |
??? |
|
43*8 |
??? |
73*5 |
??? |
159*10 |
??? |
377*9 |
??? |
|
43*9 |
??? |
76*6 |
??? |
159*16 |
??? |
426*10 |
??? |
|
43*10 |
??? |
83*11 |
??? |
159*20 |
??? |
426*14 |
??? |
|
45*3.5 |
??? |
|
|
|
|
|
|
??????ù?(GB6479-2000)
??????ù??GB6479-2000(????????豸???????)?????????????豸???????????????????
?????????20??16Mn??12CrMo??12Cr2Mo???
?????豸????????(GB6479-86)???????????????-40-400?楨????????10-30Ma??????豸??????????????????????????
???????????????????????
??б????GB6479-2000??ASTM DIN JIS
????????20#??16Mn??15CrMo??12CrMo??12Cr2Mo??
?????????????????????????????????????????????????????????????????????????????????????????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???
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