Zinthuzo zimapangidwa ndi American standard wide-flangeH Beamndi kukula kwa ASTM A6.Gulu lachitsulo likhoza kusankhidwa pakati pa ASTM A572 GR50 / GR60, ASTM A992 kapena Q355.The hot dip galvanizing imakwaniritsa miyezo ya ASTM A123, ISO1461 ndi AS/NZS4680.Zoonadi, ndife okondwa kukumana ndi miyezo ina yabwino komanso makulidwe osiyanasiyana a HDG opaka kwa makasitomala athu, chifukwa ndi mwambo wathu kuyankha mwamsanga zosowa za makasitomala ndikuchitapo kanthu mwamsanga.Kufufuza kwanthawi yayitali kwamakampani pazodziwika bwino za WF kumakwera matani 2000, kuti akwaniritse zomwe kasitomala amafuna.