The steel for nitriding consists of 0.5 to 1.0% of C, 1.0% or less of Si, 0.3 to 1.0% of Mn, 5.0 to 12.0% of Cr, 0.5 to 2.0% of Mo, 0.1 to 0.3% of V, the balance being Fe and exhibits improved wear-resistance and fatigue-strength.

L'acier pour la nitruration se compose de 0.5 à de 1.0% de C, de 1.0% ou de moins de silicium, de 0.3 à 1.0% du manganèse, 5.0 à 12.0% de Cr, 0.5 à 2.0% du MOIS, 0.1 à 0.3% de V, l'équilibre étant Fe et porter-résistance et fatigue-force améliorées par objets exposés.

 
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