NF A49-645
NF A49-645

NF A49-645

September 1987
Standard Cancelled

Steel tubes. Round, square and rectangular steel tubes for ordinary uses, longitudinally pressure welded and cold formed from cold-rolled flat products. Dimensions. Technical delivery conditions.

Norme de tubes ronds, carrés ou rectangulaires soudés longitudinalement par pression, en acier au carbone, acier à dispersoïdes pour des utilisations dans diverses industries telles que : meubles, cycles, automobiles, métallerie, cardans, etc.

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Main informations

Collections

National standards and national normative documents

Publication date

September 1987

Number of pages

12 p.

Reference

NF A49-645

ICS Codes

77.140.75   Steel pipes and tubes for specific use

Classification index

A49-645

Print number

1
Sumary
Steel tubes. Round, square and rectangular steel tubes for ordinary uses, longitudinally pressure welded and cold formed from cold-rolled flat products. Dimensions. Technical delivery conditions.

Norme de tubes ronds, carrés ou rectangulaires soudés longitudinalement par pression, en acier au carbone, acier à dispersoïdes pour des utilisations dans diverses industries telles que : meubles, cycles, automobiles, métallerie, cardans, etc.
Replaced standards (3)
NF A49-644
NF A49-644
November 1975
Standard Cancelled
Steel tubes-cold formed round welded commercial tubes made from cold rolled products-dimensions-technical delivery conditions.

NF A49-645
NF A49-645
November 1975
Standard Cancelled
Steel tubes - Cold formed round welded tubes made from cold rolled products with special delivery conditions - Dimensions - Technical delivery conditions

NF A49-654
NF A49-654
November 1975
Standard Cancelled
Steel tubes-square and rectangular commercial tubes made from cold rolled products-dimensions-technical delivery conditions.

Standard replaced by (1)
XP A49-646
XP A49-646
August 1997
Standard Cancelled
Steel tubes. Round, square and rectangular precision steel tubes longitudinally induction welded from hot or cold-rolled flat products, coated or not coated. Dimensions. Technical delivery conditions.

Le présent document définit des tubes ronds, carrés ou rectangulaires soudés longitudinalement par induction, en acier au carbone ou micro-alliés, nus ou revêtus pour des utilisations dans diverses industries telles que cycles, automobiles, métallerie, mobilier métallique, stockage, jouets, puériculture.

Table of contents
  • 1 OBJET
    3
  • 2 DOMAINE D'EMPLOI DES TUBES
    3
  • 2.1 Utilisation des tubes
    3
  • 2.2 Limites d'emploi
    3
  • 3 RÉFÉRENCES
    3
  • 4 SYMBOLES
    3
  • 5 INFORMATIONS À FOURNIR PAR L'ACHETEUR
    4
  • 5.1 Informations obligatoires
    4
  • 5.2 Informations en option ou essais supplémentaires
    4
  • 5.3 Exemple de rédaction de la commande
    4
  • 6 PROCÉDÉ DE FABRICATION
    4
  • 6.1 Élaboration de l'acier
    4
  • 6.2 Procédés de fabrication des tubes et traitement thermique
    4
  • 6.3 Aspect de livraison
    5
  • 7 COMPOSITION CHIMIQUE - CARACTÉRISTIQUES MÉCANIQUES
    5
  • 7.1 Composition chimique garantie
    5
  • 7.2 Caractéristiques mécaniques garanties
    6
  • 8 DIMENSIONS - MASSES LINÉIQUES - TOLÉRANCES
    6
  • 8.1 Dimensions et masses linéiques
    6
  • 8.2 Tolérances
    8
  • 9 ESSAIS ET INSPECTIONS
    10
  • 9.1 Généralités
    10
  • 9.2 Essai de traction
    11
  • 9.3 Essai d'aplatissement
    11
  • 9.4 Validité des essais
    12
  • 9.5 Contrôle et essai supplémentaires
    12
  • 10 CONDITIONNEMENT
    12
  • 11 REVÊTEMENT
    12
  • 11.1 Galvanisation
    12
  • 11.2 Autres revêtements
    12
  • 12 DOCUMENTS DE CONTRÔLE
    12
  • 12.1 Condition normale
    12
  • 12.2 Condition particulière
    12
  • 13 RÉCLAMATIONS APRÈS LIVRAISON
    12
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