德州45号钢厚壁无缝管/45号钢钢管厂_钢管

香港六马宝典资料大全         139-6958-0678

材质             外径*壁厚            吨位

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