NF EN 10221

Surface quality classes for hot-rolled bars and rods. Technical delivery conditions.

Le présent document spécifie les conditions en matière de qualité de surface des ronds et fils machine larninés à chaud de diamètre nominal compris entre 5mm < ou = dN < ou = 150 mm. Il s'applique aux aciers de construction mécanique mais peut également, après accord, être appliqué aux aciers de construction d'usage général et aux aciers à outiIs.

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