????????7mm????????????????

??????????????????????
10??2000??8000+ 32??
12??2000??8000+ 56??
12??2000??8000+ 70??
14??2000??8000+ 35??
14??2000??8000+ 70??

??????????????????????
????????????????????????????????????????ú??????β????q????????
????????????????????????A3q??????????????16q????????????????12Mnq??12MnVq??15MnVNq??16Mnq????????????4.5~50?????

???????????????????????
 ???????????????1-6?·???????????????????????е???????35.5%????2013?????????????У?????????????????????????????11.5%???????????????????????????????????????????????????Ч????Ч?????????????г??????????????
 

 ????|?????|?????|?????|?????|?????????|?????????|????|?????|???????????|?????????|???
     ????????????????????:????|?????|?????|?????|?????|?????????|??
???????|????|?????|???????????|?????????|????????????,???????????,??????
    ??????????????????????????Q345C??Q345D??Q345E??SM400??SM490??S355J2+N??????????
???Q345D???????????????????????????Q345qC/qD/qE??Q370qE??Q370qD???????B-HARD360/400,450,???
NM360/400/500/450,???HARDOX400/450/500,???XAR400/450/500??????????AH32/36??DH32/36??EH32/36??
????????CCS??LR??DNV??BV??GL??RA??ABS??RA?????????????Q460C/D/E??Q390C/D??Q420C/D??Q550C/D
??Q690C/D??Q620D,WH60/70/80????Z15??Z25??Z35??????????壨?????BHT80D??
BHT100D,BS600MC,BS700MC,BHT130D,BHT150D??????Z???????Z15??Z25??Z35???????????????????????
??????????????????????????????????60???????????л?е??????????仯???????Ч???
?????????????????????????????????????????????????????????????в???????????
??λ??????????????????????????????????в????????????????????飨????飩??????
?????????ο???????????????????????????????????????????????????????????????????????
?????磡 ???????????????

????????7mm??????????????????????