E le e 'ngoe ea lihanger tsa tlholisano ka ho fetisisa k'hamphaning, lithuso tsa rona tsa HDG tse entsoeng ka tšepe li entsoe ka sepheo sa ho emisa phala moo ho hlokahalang motsamao oa longitudinal le phetoho e emeng. Mme ba fumane botumo bo boholo lefats'eng ka bophara, haholo Amerika Leboea, Amerika Boroa, Middle East le Asia. Hape, ho na le mekhoa ea kalafo e fapaneng ea bokaholimo bakeng sa khetho ea hau: Plain, Hot Dipped Galvanized, epoxy le Green galvanized finish, ho fihlela litlhoko tsa hau tsa anticorrosion.