???????????45*1800*C??q420qd????????????????????
???????????????????????HB?? ??????????????3000kg?????????С?????????10mm??????????????????棬??????????????????????????????????????????????HB??????λ???????/mm2 (N/mm2)<br><br>???????? ???????????????й??????????????????????????????????ASTM??ASME????????JISS????????DIN????????BS????????? IO??
???????????????
????????HB??
??????????????3000kg?????????С?????????10mm??????????????????棬??????????????????????????????????????????????HB??????λ???????/mm2 (N/mm2)
????????
???????????????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??????????????
???????????????
16??2000??8000 32??
6??1500??8000 21??
6??1500??8000 42??
6??1500??8000 35??
6??1500??8000 21??
8??2000??8000 64??
8??2000??8000 35??
8??2000??8000 42??
???????????45*1800*C??q420qd????????????????????
