???ι??????ι?????????????ι???Q345B?????????????
Q345B?????????????????
????Q345B????????????????
???ι???100*100*5.0--600*600*25.0
???ι???:100*40*4.0--400*600*20.0
?????????ι????????????????????????????????????????????ɡ??????????????????????????????????γ???????????????????ι??????г??????????????50???????
?????GB6728-2002??????????????????
?????JISG3466-88??????????????????Χ?????
???ι???????п????????????????????????????????????
????????????????ú????????????????????????????????????????????????????????е?????????????????????????????????????????????
?????????????????????????????????????????????????????????????????????????????????????????С???????????????????????????????????????????????????????????,??????????????20#??45#??16MN??Q345??A/B/C/D/E????27SIMN??15CrMO??12Cr1MOV??10CrMO910??304??304L??316??316L??321??P11??P22??P91??T91.??й???GB8162-99?????GB8163-99????????????ù?????????GB3087-99??GB5310-85????????ˉ?ù??GB5312-8???ù??...
???????????0510-88264321??88223334 ???棺0510-88223334 ?????18921237777
|
?????λ???
?? ? ? ?? 
