NF EN 2157-3

Aerospace series. Steel. Forging stock and forgings. Technical specification. Part 3 : pre-production and production forgings.

La présente norme définit les exigences particulières pour les pièces forgées et les pièces matricées en acier, fabriquées à partir des produits destinés à la forge, répondant à EN 2157-2.

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