長沙45號鋼厚（hòu）壁無（wú）縫管/45#鋼厚皮鋼管_鋼管

山（shān）東（dōng）宏（hóng）钜天成鋼管有限公司（sī）         139-6958-0678

材質             外徑*壁厚            噸位

45#              457*65                20.91

45#              426*45                20.796

45#              351*65                20.594

45#              325*80                21.516

45#              325*90                27.072

45#              325*85                30.31

45#              325*75                31.646