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???????201???????????????

?????????2017/3/20

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?????1299

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Q345qC???????????????????? 10??2000??8000+ 70?? 10??2000??8000+ 76?? 10??2000??8000+ 70?? 4??1500??8000+ 21?? 10??2000??8000+ 70?? 4??1500??800035?? 4??1500??8000+ 80?? 8??1800??8000+ 70?? 6??1800??8000+ 80?? Q345qC???????????????????? ???????????????????????????????壬???????????????????????????????

Q345qC?????????????????????
10??2000??8000+ 70??
10??2000??8000+ 76??
10??2000??8000+ 70??
4??1500??8000+ 21??
10??2000??8000+ 70??
4??1500??800035??
4??1500??8000+ 80??
8??1800??8000+ 70??
6??1800??8000+ 80??

Q345qC?????????????????????
???????????????????????????????壬????????????????????????????????????β????q????????
????????????????????í??????????A3q?????????????????16q????????????????12Mnq??12MnVq??15MnVNq??16Mnq??????????????4.5~50?????
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????????????????????????????г??????????????????????????????11???????????????????11??????????????????????????????120????

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