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ASTM A182 Gr F1 FORO FOR1 ke disc e tiileng e sebelisoang ho thibela phala kapa ho etsa ho emisa. Hoa tšoana le ka pina e tloaelehileng, e nang le masoba a ntseng a eketseha ho e potoloha, 'me selikalikoe se tiiseng se entsoe ka holim'a metsi.
Alloy 20 (allow E na le khanyetso e ntle haholo ho sisfuric acid sidrosion; E na le khatello e matla ea ho phopholetsa ea phosphoric acid, tikoloho ea nitric acid le choride. Ka hona, Bolloy 20 le E-na le Lebitso la Anti-Corros Lello * E na le likopo tse fapaneng: tse joalo: likomkoana, lijo, tlhahiso ea matla le indasteri ea polasetiki e tla e sebelisa. Ho hanyetsa ho hahlakoa le lijalo tsa chloride le chloride, kharafu ea khatello ea maikutlo, e joalo, khathatso ea alloy 20 hangata e sebelisoa.