Heat-treated steels, alloy steels and free-cutting steels — Part 1: Quenched and tempered unalloyed steels
Aciers pour traitement thermique, aciers alliés et aciers pour décolletage — Partie 1: Aciers non alliés trempés et revenus
77.140.10 - Heat-treatable steels.
77.140.20 - Stainless steels. Including alloyed steels, corrosion-resistant steels, heat-resisting steels, etc.
77.140.45 - Non-alloyed steels.
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Ingles / Frances
