?????????????:[(??-???)*???]*0.02466=kg/??(????????)
???
GB/T8621---------?й???????
???
??????????????е?????????? 
?????????????
10??20??35??45??16Mn??12CrMo??15CrMo??12Cr1MoV???
??е????
| 
 ???  | 
 ???  | 
 ???????(MPa)  | 
 ???????(MPa)  | 
 ????(%)  | 
| 
 GB/T8162  | 
 10  | 
 ?? 335  | 
 ?? 205  | 
 ?? 24  | 
| 
 20  | 
 ?? 390  | 
 ?? 245  | 
 ?? 20  | 
| 
 35  | 
 ?? 510  | 
 ?? 305  | 
 ?? 17  | 
| 
 45  | 
 ?? 590  | 
 ?? 335  | 
 ?? 14  | 
| 
 16Mn  | 
 ?? 490  | 
 ?? 325  | 
 ?? 21  | 
| 
 12CrMo  | 
 ?? 410  | 
 ?? 265  | 
 ?? 24  | 
| 
 15CrMo  | 
 ?? 440  | 
 ?? 295  | 
 ?? 22  | 
| 
 12Cr1MoV  | 
 ?? 490  | 
 ?? 245  | 
 ?? 22  | 
??????
| 
 ???  | 
 ???  | 
 ??????  | 
| 
 C  | 
 Si  | 
 Mn  | 
 P??S  | 
 Cu  | 
 Ni  | 
 Mo  | 
 Cr  | 
| 
 GB/T8162  | 
 10  | 
 0.07??0.14  | 
 0.17??0.37  | 
 0.35??0.65  | 
 ??0.035  | 
 ??0.25  | 
 ??0.25  | 
 /  | 
 ??0.15  | 
| 
 20  | 
 0.17??0.24  | 
 0.17??0.37  | 
 0.35??0.65  | 
 ??0.035  | 
 ??0.25  | 
 ??0.25  | 
 /  | 
 ??0.25  | 
| 
 35  | 
 0.32??0.40  | 
 0.17??0.37  | 
 0.50??0.80  | 
 ??0.035  | 
 ??0.25  | 
 ??0.25  | 
 /  | 
 ??0.25  | 
| 
 45  | 
 0.42??0.50  | 
 0.17??0.37  | 
 0.50??0.80  | 
 ??0.035  | 
 ??0.25  | 
 ??0.25  | 
 /  | 
 ??0.25  | 
| 
 16Mn  | 
 0.12??0.20  | 
 0.20??0.55  | 
 1.20??1.60  | 
 ??0.035  | 
 ??0.25  | 
 ??0.25  | 
 /  | 
 ??0.25  | 
| 
 12CrMo  | 
 0.08??0.15  | 
 0.17??0.37  | 
 0.40??0.70  | 
 ??0.035  | 
 ??0.25  | 
 ??0.30  | 
 0.40??0.55  | 
 0.40??0.70  | 
| 
 15CrMo  | 
 0.12??0.18  | 
 0.17??0.37  | 
 0.40??0.70  | 
 ??0.035  | 
 ??0.25  | 
 ??0.30  | 
 0.40??0.55  | 
 0.80??1.10  | 
| 
 12Cr1MoV  | 
 0.08??0.15  | 
 0.17??0.37  | 
 0.40??0.70  | 
 ??0.035  | 
 ??0.25  | 
 ??0.30  | 
 0.25??0.35  | 
 0.90??1.20  | 
?????????(GB/T8162-1999)
???????????:
?????????????????20G 16Mn
??б????GB5310-95 GB6479-86 GB9948-88
????
| 
 25??2.5-5  | 
 57??3-8  | 
 114??5-20  | 
 168??8-30  | 
 325??8-45  | 
| 
 28??3-5  | 
 60??4-10  | 
 121??5-20  | 
 180??7-30  | 
 351??10-36  | 
| 
 32??3-5  | 
 63.5??4-12  | 
 127??6-20  | 
 194??8-30  | 
 377??10-38  | 
| 
 38??3-6  | 
 76??4-14  | 
 133??5-22  | 
 203??10-32  | 
 402??10-45  | 
| 
 42??3-6  | 
 83??5-14  | 
 140??6-22  | 
 219??7-45  | 
 426??10-30  | 
| 
 45??3-6  | 
 89??4.5-20  | 
 146??8-25  | 
 245??8-45  | 
 480??12-30  | 
| 
 48??3-6  | 
 102??4-20  | 
 152??8-25  | 
 273??8-50  | 
 530??12-30  | 
?е????ˉ??????????????
????????????????? 20# dz40
??б???? GB3087-1999  GB8163-1999  YB23-70