??·????????????????????????
3??1250??6000 32??
3??1800??7500 90??
4??1500??6000 32??
4??1500??8000 90??
4??1500??8000 90??
4??1800??8000 32??
5??1800??8000 21??
5??1800??8000 90??
6??1800??8000 35??
??·????????????????????????
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??ó????????????????????????????????????????????С??????????г???????????????????????????????????????????????г???????????г??????????????????????????????嶯?????????????????????г??????????????г????????????????????????????????????ó????????????????????????????????????????
????????
???????????????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??????????????
???0.4*1*2???·????????????????????????
