NF A45-104
NF A45-104

NF A45-104

December 1987
Standard Cancelled

Iron and steel. Forged tool steel bars and flats. Dimensional tolerances.

La présente norme définit les tolérances dimensionnelles (tolérances sur section, sur arrondi des angles des carrés, sur longueur fixe, de dressage, de vrillage, sur diagonales et sur masse d'un lot), les surépaisseurs d'usinage et les dimensions recommandées des ronds, carrés, plats et larges plats, forgés en aciers à outils définis par la norme NF A 35-590.

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Main informations

Collections

National standards and national normative documents

Publication date

December 1987

Number of pages

8 p.

Reference

NF A45-104

ICS Codes

77.140.60   Steel bars and rods

Classification index

A45-104

Print number

1 - octobre 1988
Sumary
Iron and steel. Forged tool steel bars and flats. Dimensional tolerances.

La présente norme définit les tolérances dimensionnelles (tolérances sur section, sur arrondi des angles des carrés, sur longueur fixe, de dressage, de vrillage, sur diagonales et sur masse d'un lot), les surépaisseurs d'usinage et les dimensions recommandées des ronds, carrés, plats et larges plats, forgés en aciers à outils définis par la norme NF A 35-590.
Replaced standards (1)
NF A45-104
NF A45-104
January 1974
Standard Cancelled
Iron and steel products. Tool steel forged bars and flats. Dimensional tolerances.

Table of contents
  • 1 OBJET
    2
  • 2 DOMAINE D'APPLICATION
    2
  • 3 RÉFÉRENCES
    2
  • 4 TOLÉRANCES DIMENSIONNELLES
    3
  • 4.1 Tolérances sur section
    3
  • 4.2 Tolérances de vrillage
    3
  • 4.3 Tolérances sur diagonales
    3
  • 4.4 Tolérances sur longueur
    3
  • 4.5 Tolérances de dressage
    4
  • 4.6 Tolérances sur masse d'un lot
    4
  • 5 SURÉPAISSEUR D'USINAGE
    4
  • 6 DIMENSIONS RECOMMANDÉES
    5
  • 6.1 Ronds et carrés
    6
  • 6.2 Plats
    7
  • 6.3 Larges plats
    8
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