Heat-treatable steels, alloy steels and free-cutting steels — Part 3: Case-hardening steels
Aciers pour traitement thermique, aciers alliés et aciers pour décolletage — Partie 3: Aciers pour cémentation
77.140.10 - Heat-treatable steels.
77.140.20 - Stainless steels. Including alloyed steels, corrosion-resistant steels, heat-resisting steels, etc.
Anula a: ISO 683-3:2016
Es anulada por: ISO 683-3:2022
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