?????????10*1800*8m??201????????????

Q345qC?????????????????????
5??1800??8000+ 32??
5??1800??8000+ 32??
8??1800??8000+ 90??
8??2000??8000+ 70??
10??1800??8000+ 70??
10??2000??8000+ 90??

Q345qC?????????????????????
?????????????
???????????????A??B??D??E4?????????4????????????????????С??235N/mm^2???????????400??520N/mm^2????????????????????????????????
???????????????С?????????????????????????????????????????A??D??E??F4????
A32??D32??E32??F32??????????С??315N/mm^2?????????440??570N/mm^2??A??D??E??F???????????????0??-20??-40??-60??????????????????????
A36??D36??E36??F36??????????С??355N/mm^2?????????490??620N/mm^2??A??D??E??F???????????????0??-20??-40??-60??????????????????????
A40??D40??E40??F40??????????С??390N/mm^2?????????510??660N/mm^2??A??D??E??F???????????????0??-20??-40??-60??????????????????????

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

??????????????????????????????г??????????????????????????????;????????????????
?г????????????????г??????????????????????????????????????????????????????
????????????????????????????????????????????????????????????????????????????
??????????????????????

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

?????????????????????????????С????С???????????????3?·???????????????226.61????
?????????;???????????????????????θ??????и?Э???????????4?????????????????????
????4.69%?????й????????????и???????????????
 

???????? ???????лл   ?? ?????  ?????Q345qC??????????????
?????????10*1800*8m??Q345qC????????????????