Seggal Steel Steel ak xayma yiñ joxe ci xayma yiñ joxe leeral

                                                                            Xeetu xeetu asiye karbon ak xeetu xaaj bu leer

DAJALE  JËFANDIKOO
1. Acien carbone bu néew (C mu néew wala mu tollu ci 0.25%) : ñu koy jëfandikoo ngir defar yenn pàcci mekanik yu am solo.
2. Acien karbon bu njëkk bi (0.25%3. acier karbon bu kawe (C> 0.6%) : ñu koy jëfandikoo ci defar ay jumtukaay, ay cér, ay xonkaay ci pringtemps ak ci ressort yi ci pringtemps.

JËFANDIKOO JËFANDIKOO
1. acier de stucture: ci anam wu gëna néew karbon, ñu koy jëfandikoo ngir defar ay pond, tabax, pàcci masin, gaal ak ñoom seen.
2. acier mekanik: ci anam wu gëna bari ci asiye karbon, ñu koy jëfandikoo ngir defar roulement, chaîne, vitesse, arbres ak ñoom seen.
3. Jumtukaayu weñ: gëna bari karbon, ñu koy jëfandikoo ngir defar ay jumtukaay, di tampee dies ak ñoom seen.

LI ÑU AMUL
1. acier forge: li gëna bari ci asiye karbon bu yam ak bu kawe, ñu koy jëfandikoo ngir defar masin yu diis, roulement oto, ak ñoom seen.
2. Aci asiye bu am karbon: li gëna bari ci asiye karbon bu woyof ak bu yam, ñu koy jëfandikoo ngir defar ay oto, saxaar, defar roppalaan, ak ñoom seen

JËFANDIKOO ÑI ÑU kk
1. Ultra- asiye karbon (C mu néew wala mu tollu ci 0.08%) : ñu koy gëna jëfandikoo ci defar metal bu am tóol bu oto, couche kuuraŋ ak ñoom seen.
2. Acien carbone bu néew (0.08%3. Acien karbon bu njëkk bi (0.18%4. acier karbon bu kawe (C> 0.50%) : ñu koy gëna jëfandikoo ci defar ay mbir yu am carbide, jumtukaay, jumtukaay ak yeneen jumtukaayi- yu kawe.