Descrizione del suffisso

• 411
• NIRO1.4122 Designation: X 39 CrMo 17.1, Material Number 1.4122 As A Hardenable Martensitic Chrome Steel, This Material Does Not Have The Resistance Of Austenitic Chrome Nickel Steels, But It Suffices For Numerous Applications And Is Used Above All In The Manufacture Of Smaller And Medium-Size Rings. - See more at: http://www.seeger-orbis.com/technology/about-seeger-rings/#sthash.m6JoacJi.dpuf