????5??9??????????60*1600*C??q345qe???????????±???
?????????????6??1800??8000 80??<BR>10??1800??8000 76??<BR>8??1800??8000 90??<BR>10??2000??8000 35??<BR>12??2000??8000 42??<BR>14??2000??8000 21??<BR>3??1250??6000 75??<br><br>????????????????????????????????????????????????????????????????????????????????????????????????????????ж????????????????<br><br>?????????
?????????????
6??1800??8000 80??
10??1800??8000 76??
8??1800??8000 90??
10??2000??8000 35??
12??2000??8000 42??
14??2000??8000 21??
3??1250??6000 75??
?????????????
???????????????????????????????????????????????????????????????????????????????????????????ж????????????????
????????
???????????????й??????????????????????????????????ASTM??ASME????????JISS????????DIN????????BS????????? IO????????EN ???????????????????????????????????и???????????????????????????????8-600mm???4.5m ??????18m????????????????? ?????????????????????m??0.5mm????????100mm???8mm?????γ???1mm???и??????? 100mm?12.5????100mm?25???и??????????????
????5??9??????????60*1600*C??q345qe???????????±???
