规格：1/2”~24”
厚度：S355JRH、S275JR、S235JR、S275JRH、S275J0H、S235JRH、S355JR
TEL：SCH05~SCH160
材质：马海青 15554161316
标准：
DIN EN 10210 (Europe)
Hot finished structural hollow sections of non-alloy and fine grain steels
DIN EN 10219 (Europe)
Cold formed welded structural hollow sections of non- alloy and fine grain steels
证书：
CE EN10210-1:2006
CE EN10219-1:2006
CE EN10204.3.1
CE EN10204.3.2