Impahla yenziwe nge-American standard wide-flangeH Beamngosayizi ojwayelekile we-ASTM A6.Ibanga lensimbi lingakhethwa phakathi kwe-ASTM A572 GR50 /GR60, ASTM A992 noma Q355.I-hot-dip galvanizing ihlangabezana namazinga e-ASTM A123, ISO1461 kanye ne-AS/NZS4680.Yiqiniso, siyajabula futhi ukuhlangabezana nezinye izindinganiso zekhwalithi kanye nokuqina okuhlukile kwe-HDG yokugqoka kumakhasimende ethu, njengoba kuyisiko lethu ukuphendula ngokushesha izidingo zamakhasimende futhi senze ngokushesha.Uhlu lwesikhathi eside lwenkampani lwemininingwane evamile ye-WF lugaya amathani angama-2000, ukuze kuhlangatshezwane nezidingo zokulethwa okusheshayo kwekhasimende.