???????й?08AL?????????в????????й???????????????????
????SPCN20CB ??????????(JIS?????в??)???????????????????????????(??)?????????治????????????????????0.18-0.23%?? ??
????S????S???Stel????д???????????S??ζ????????
????P????P???Plate????д???????????????????????????P??ζ??塣
????C????C??Cold????д?????????????C??ζ????????
????N????N?Non timeliness????д?????????β???N??????????????
????20C-??????C??????20C ??????0.18-0.23% ??
????B????B?Bright finishing????д???????????????????B??ζ???????????
????1??SM490A ???????????????????????Q345B??
????2??SM490YA???????????????????????漲???????????????????????????????????????????? ????????????????????????????????????????????????????????????????????Q345GNHL??
????3??SM570TMC???????????????????????????????豸?????????????????????OLAC????????????????Nb??Ti??V??????????????????????????????????????????????????????е?????????????????????YF35V????????????????????????????????????????????????????ο?GB/T15712??
????4???????SSC400??SS400????????д??????????Q235B?????
????1??SM490A ???????????????????????Q345B??
????2??SM490YA???????????????????????漲???????????????????????????????????????????? ????????????????????????????????????????????????????????????????????Q345GNHL??
????3??SM570TMC???????????????????????????????豸?????????????????????OLAC????????????????Nb??Ti??V??????????????????????????????????????????????????????е?????????????????????YF35V????????????????????????????????????????????????????ο?GB/T15712??
????4???????SSC400??SS400????????д??????????Q235B?????
????5??STK??STK400?????????д????????GB/T8162???????????????????????????????????
????6??STKM13A??????????????????GB/T8162?е?20?????????
????7??STKR400??????????λ??θ??????й??????????????????????????????GB/T8162????????
????8??????GB/T3091-93??????????????п?????????SGP?????п?????й??????
??????????????
???????????????????????????????????????????????????SSC400???????????????????H?????????????????????????????????????磬???????????????????????????????SSC400?????Q235B???????????????ο?GB/T706
??????????????DC03????????????????
