??????????????????????????????????????????????????????????????????????????????????????????????????? A0 2 1435 6 GB/T5782-2000 6 ???? 1?????? 1????伔? 29 ??? 6 789 10 111213 14151617 181920 1 860Si2MnA 喵? 1 ??? 1 ????????? 24 ?????????? 1 1??????? 8 ??? 32 6?????? 1 ???????? 12 ????? 1 ?????? 12 56 34 ?298 R170 195 440 60Si2MnA ???? GB/T292--1994 GB/T5782-2000 9 ???↙?????????????????????????????????????????????????????????????????????澝??澝敕埗???????????????????????И?????И????澞???????????? WNF-29 ??? WNF-01 WNF-01 WNF-02 WNF-03 WNF-04 WNF-05 WNF-06 WNF-07 WNF-08 WNF-09 WNF-10 WNF-11 WNF-12 WNF-14 WNF-15 WNF-16 WNF-13 ??? 2012.9.24 ??????放??????? HT200 ???? 65Mn ????? Q235-A Q235-A Q235-A ?????????? M10 ????????????????????????? 78 ??????????↙?????????????????? 10 111213 141516171819 2051