NF EN ISO 18275

NF EN ISO 18275

September 2018
Standard Current

Welding consumables - Covered electrodes for manual metal arc welding of high-strength steels - Classification

This document specifies requirements for classification of covered electrodes and deposited metal in the as-welded condition and in the post-weld heat-treated condition for manual metal arc welding of high-strength steels with a minimum yield strength greater than 500 MPa or a minimum tensile strength greater than 570 MPa. This document is a combined specification providing a classification utilizing a system based on the yield strength and an average impact energy of 47 J of the all-weld metal, or utilizing a system based on the tensile strength and an average impact energy of 27 J of the all-weld metal. a) Subclauses and tables which carry the suffix letter "A" are applicable only to covered electrodes classified under the system based on the yield strength and an average impact energy of 47 J of the all-weld metal given in this document. b) Subclauses and tables which carry the suffix letter "B" are applicable only to covered electrodes classified under the system based on the tensile strength and an average impact energy of 27 J of the all-weld metal given in this document. c) Subclauses and tables which do not have either the suffix letter "A" or the suffix letter "B" are applicable to all covered electrodes classified under this document.

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Main informations

Collections

National standards and national normative documents

Publication date

September 2018

Number of pages

39 p.

Reference

NF EN ISO 18275

ICS Codes

25.160.20   Welding consumables

Classification index

A81-340

Print number

1

International kinship

ISO 18275:2018

European kinship

EN ISO 18275:2018
Sumary
Welding consumables - Covered electrodes for manual metal arc welding of high-strength steels - Classification

This document specifies requirements for classification of covered electrodes and deposited metal in the as-welded condition and in the post-weld heat-treated condition for manual metal arc welding of high-strength steels with a minimum yield strength greater than 500 MPa or a minimum tensile strength greater than 570 MPa.

This document is a combined specification providing a classification utilizing a system based on the yield strength and an average impact energy of 47 J of the all-weld metal, or utilizing a system based on the tensile strength and an average impact energy of 27 J of the all-weld metal.

a) Subclauses and tables which carry the suffix letter "A" are applicable only to covered electrodes classified under the system based on the yield strength and an average impact energy of 47 J of the all-weld metal given in this document.

b) Subclauses and tables which carry the suffix letter "B" are applicable only to covered electrodes classified under the system based on the tensile strength and an average impact energy of 27 J of the all-weld metal given in this document.

c) Subclauses and tables which do not have either the suffix letter "A" or the suffix letter "B" are applicable to all covered electrodes classified under this document.

Replaced standards (1)
NF EN ISO 18275
August 2012
Standard Cancelled
Welding consumables - Covered electrodes for manual metal arc welding of high-strength steels - Classification

<p>ISO 18275:2011 specifies requirements for classification of covered electrodes and deposited metal in the as-welded condition and in the post-weld heat-treated condition for manual metal arc welding of high-strength steels with a minimum yield strength greater than 500 MPa or a minimum tensile strength greater than 570 MPa.</p> <p>ISO 18275:2011 is a combined specification providing a classification utilizing a system based upon the yield strength and an average impact energy of 47 J of the all-weld metal, or utilizing a system based upon the tensile strength and an average impact energy of 27 J of the all-weld metal.</p> <ol> <li> Subclauses and tables which carry the suffix letter "A" are applicable only to covered electrodes classified under the system based upon the yield strength and an average impact energy of 47 J of the all-weld metal given in ISO 18275:2011.</li> <li> Subclauses and tables which carry the suffix letter "B" are applicable only to covered electrodes classified under the system based upon the tensile strength and an average impact energy of 27 J of the all-weld metal given in ISO 18275:2011.</li> <li> Subclauses and tables which do not have either the suffix letter "A" or the suffix letter "B" are applicable to all covered electrodes classified under ISO 18275:2011.</li> </ol>

Table of contents
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  • Avant-propos
  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Classification
  • 5 Symboles et exigences
  • 6 Essais des propriétés mécaniques
  • 7 Analyse chimique
  • 8 Règles d'arrondissage
  • 9 Contre-essais
  • 10 Conditions techniques de livraison
  • 11 Exemples de désignations
  • Annexe A (informative) Systèmes de classification
  • Annexe B (informative) Description des types d'enrobages - Classification d'après la limite d'élasticité et l'énergie de rupture de 47 J
  • Annexe C (informative) Description des types d'enrobages - Classification d'après la résistance à la traction et l'énergie de rupture de 27 J
  • Annexe D (informative) Notes sur l'hydrogène diffusible
  • Annexe E (informative) Description des symboles de composition chimique - Classification d'après la limite d'élasticité et l'énergie de rupture de 47 J
  • Annexe F (informative) Description des symboles de composition chimique - Classification d'après la résistance à la traction et l'énergie de rupture de 27 J
  • Bibliographie
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