Ana amfani da ragar hex don ƙarfin ƙarfin ƙarfin juriya mara siffa, kayan ƙarfe na ƙarfe (A3F) hex raga, 0Cr13 abu ana amfani da shi a cikin lokuta na musamman, lokacin amfani da farko tabo ragar hex akan bangon ciki na tukunyar jirgi ko bututun iska mai zafi, sa'an nan kuma shafa refractory kayan.Alamar samfur...
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