Zvinhu zvakagadzirwa neAmerican standard wide-flangeBheramu reHine chiyero chehukuru hweASTM A6. Chiyero chesimbi chinogona kusarudzwa pakati peASTM A572 GR50 /GR60, ASTM A992 kana Q355. Kupisa-dip galvanizing kunosangana nezvinodiwa zveASTM A123, ISO1461 uye AS/NZS4680. Ehe, tinofarawo kusangana nezvimwe zviyero zvemhando yepamusoro uye ukobvu hwakasiyana hweHDG coating kune vatengi vedu, sezvo iri tsika yedu kukurumidza kupindura zvinodiwa nevatengi uye kuita chimwe chinhu nekukurumidza. Ruzivo rwenguva refu rwekambani rweWF runopa matani 2000, kuti rusangane nezvinodiwa zvekutumira nekukurumidza zvemutengi.