NF EN ISO 21952

NF EN ISO 21952

January 2008
Standard Cancelled

Welding consumables - Wire electrodes, wires, rods and deposits for gas shielded arc welding of creep-resisting steel - Classification

ISO 21952:2007 specifies requirements for classification of wire electrodes, wires and rods for gas-shielded metal arc welding and tungsten inert-gas welding of creep-resisting steels, and for their deposits in the as-welded or post-weld heat-treated condition. One wire electrode can be tested and classified with different shielding gases. ISO 21952:2007 is a combined specification providing for classification utilizing a system based upon the chemical composition of wire electrodes, wires and rods with requirements for yield strength and average impact energy of 47 J of all-weld metal, or utilizing a system based upon the tensile strength of the all-weld metal deposits and the chemical composition of wire electrodes, wires and rods.

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Main informations

Collections

National standards and national normative documents

Publication date

January 2008

Number of pages

22 p.

Reference

NF EN ISO 21952

ICS Codes

25.160.20   Welding consumables

Classification index

A81-317

Print number

1 - 24/01/2008

International kinship

European kinship

EN ISO 21952:2007
Sumary
Welding consumables - Wire electrodes, wires, rods and deposits for gas shielded arc welding of creep-resisting steel - Classification

ISO 21952:2007 specifies requirements for classification of wire electrodes, wires and rods for gas-shielded metal arc welding and tungsten inert-gas welding of creep-resisting steels, and for their deposits in the as-welded or post-weld heat-treated condition. One wire electrode can be tested and classified with different shielding gases.

ISO 21952:2007 is a combined specification providing for classification utilizing a system based upon the chemical composition of wire electrodes, wires and rods with requirements for yield strength and average impact energy of 47 J of all-weld metal, or utilizing a system based upon the tensile strength of the all-weld metal deposits and the chemical composition of wire electrodes, wires and rods.

Replaced standards (1)
NF EN 12070
December 1999
Standard Cancelled
Welding consumable - Wire electrodes, wires and rods for arc welding of creep-resisting steels - Classification

Le présent document spécifie les exigences de classification des fils-électrodes, fils et baguettes d'apport pour le soudage sous protection gazeuse avec électrode de tungstène, le soudage sous protection gazeuse avec électrode fusible et le soudage à l'arc submergé sous flux des aciers résistant au fluage et des aciers faiblement alliés résistant à haute température.

Standard replaced by (1)
NF EN ISO 21952
July 2012
Standard Current
Welding consumables - Wire electrodes, wires, rods and deposits for gas-shielded arc welding of creep-resisting steels - Classification

<p>ISO 21952:2012 specifies requirements for classification of wire electrodes, wires and rods for gas shielded metal arc welding and tungsten inert-gas welding of creep-resisting steels, and for their deposits in the as-welded or post-weld heat-treated condition. One wire electrode can be tested and classified with different shielding gases.</p> <p>ISO 21952:2012 is a combined specification providing for classification utilizing a system based upon the chemical composition of wire electrodes, wires and rods with requirements for yield strength and average impact energy of 47 J of all-weld metal, or utilizing a system based upon the tensile strength of the all-weld metal deposits and the chemical composition of wire electrodes, wires and rods.</p>

Table of contents
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  • Avant-propos
    iv
  • Introduction
    v
  • 1 Domaine d'application
    1
  • 2 Références normatives
    1
  • 3 Classification
    2
  • 4 Symboles et exigences
    2
  • 4.1 Symbole du produit et/ou du procédé
    2
  • 4.2 Symbole de la composition chimique des fils-électrodes, des fils et des baguettes
    2
  • 4.3 Symbole des propriétés mécaniques du métal fondu hors dilution
    3
  • 4.4 Symbole pour le gaz de protection
    3
  • 4.5 Procédure d'arrondi
    3
  • 5 Essais mécaniques
    10
  • 5.1 Température de préchauffage et température entre passes
    10
  • 5.2 Conditions de soudage et séquence des passes
    10
  • 6 Analyse chimique
    11
  • 7 Contre-essais
    11
  • 8 Conditions techniques de livraison
    11
  • 9 Exemples de désignation
    12
  • Bibliographie
    14
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