?????10????201???????????????

Q345qC?????????????????????
50*2200*8000+ 32??
60*2200*7000+ 75??
50*4030*555+ 98??
70*2200*9500+ 32??
80*2200*8000+ 56??

Q345qC???????????????????

45#????,???????45????????г??????????????????1.0~4.0mm???
45???,??GB?е?з?,JIS?г??:S45C,ASTM?г??1045,080M46,DIN???:C45
45???? ??????????? ,???????????????,????г??????????,????,??????,????????? ??

Q345qC????????????????????
2018??7??1??????????????????????????????ν??????????????7??1???????????????????????????? ???ν??????????????????????????????????????7??1?????????????ν???????????????????????????????????????????2018????????????????APEC??????????????????????????й???????????????????????(12.11-12.15)?????????????????2017??12??15????????????????????173.5???????????0.05%?? ???????????195.3???????????0.49%????????????154.6????????????0.55%?????????????????????????????????????????????????????6???????????????4000???????????????????????????? ???????????д棬?г?????λ???????г???????????????????????????????????????????????1?·???????????????????????????? ??????????д????????????????200?????????????????????????λ??????????????????????????????????????г??????????г??????????????????????????????? ???????????????????????г????????????????????????????????????????衣????????г???????????????????г????ж???????????????? ???????????Ч???????????????????

   ???????? ???????лл   ?? ?????  ?????Q345qC??????????????

?????10?????Q345qC???????????????????