16Mn??????ù? ????GB6479????????
16Mn??????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??
???Χ????25-426??6-40
??????????????????-40-400?楨????????10-30Ma??????豸??????????????????????????
????????豸????????????????е????
???
GB6479------?й???????
???
???????????豸??????????????????????????????
?????????????
20??16Mn/Q345??
??????
|
??? |
?????? |
|
C |
Si |
Mn |
P |
S |
Mo |
Ni |
|
20 |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
??0.030 |
??0.030 |
/ |
/ |
|
16Mn |
0.12-0.20 |
0.20-0.60 |
1.20-1.60 |
??0.30 |
??0.030 |
|
|
??е????
|
???????(Mpa) |
???????(Mpa) |
????(%) |
|
410-550 |
??245 |
??24 |
|
490-670 |
??320 |
??21 |
????????????????????????????????????????????????????????????????????????????????????????????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??...
???????????0510-88268136??88267553 ???棺0510-88268136 ?????18921511196
|
?????λ???
?? ? ? ?? 
