方管 代號(hào)F 標(biāo)記( F ) A x B x T - GB6728-86, 鋼號(hào)GB-700-88,執(zhí)行標(biāo)準(zhǔn)GB6728-86,適用于建筑和機(jī)械制造結(jié)構(gòu)用,219機(jī)組目前主要生產(chǎn)方管規(guī)格: (壁厚2.0~8.0)
50*50,57*57,60*60,63.5*63.5,65*65,67*67,70*70,72*72,75*75,76.2*76.2,80*80,83*83,87*87,89*89,90*90,93*93,97*97,100*100,101*101,102*102,110*110,117*117,120*120,121*121,125*125,127*127,130*130,132*132,135*135,139*139,140*140,145*145,147*147,150*150,152*152,157*157,160*160,163*163,167*167,170*170,172*172,177*177,180*180,183*183,188*188,190*190,197*197,200*200。