Ti a nse irin waya pẹlu besikale meta awọn itọju: dudu iron waya, galvanized iron waya ati annealed waya.Black irin waya, nìkan epo ya lodi si ipata, lai eyikeyi galvanizing.Okun irin dudu jẹ iru okun waya erogba ti o le fa lile, o dara fun hihun, adaṣe, galvanizing tabi awọn ohun elo tying.
Black Iron Waya ti pese ni agba, okun tabi ge sinu awọn iwọn kan tabi ni apẹrẹ U.
Black Iron Waya le jẹ galvanized sinu galvanized irin waya tabi annealed sinu annealed irin waya.