???????????????????
????????????????????????????г??????????????????????????????11???????????????????11??????????????????????????????120????
??????????????????
??????C??D??E??????????????????????г???????????????? Q345qC??????0??????Q345qD??????-20??????Q345qE??????-40????????????????????????????????????
????????
???????????????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??????????????
??????????????????
40*3100*9900
48*2450*10500
40*3100*10100
48*2900*9400
48*2800*9400
????6??13??????16*1810*8000??Q420q??????????????????
