NBN EN ISO 18276 : 2006

Foreword
Introduction
1 Scope
2 Normative references
3 Classification
4 Symbols and requirements
   4.1 Symbol for the product/process
   4.2 Symbol for tensile properties of all-weld metal
   4.3 Symbol for impact properties of all-weld metal
   4.4 Symbol for chemical composition of all-weld metal
   4.5 Symbol for type of electrode core or the usability
        characteristics of the electrodes
   4.6 Symbol for shielding gas
   4.7 Symbol for welding position
   4.8 Symbol for hydrogen content of deposited metal
   4.9 Symbol for conditions of post-weld heat treatment
   4.10 Rounding-off procedure
5 Mechanical tests
   5.1 Preheating and interpass temperatures
   5.2 Pass sequence
   5.3 Post-weld heat treatment (PWHT) condition
6 Chemical analysis
7 Fillet weld test
8 Retest
9 Technical delivery conditions
10 Examples of designations
Annex A (informative) Classification systems
Annex B (informative) Description of composition designations
                      for electrodes in the classification system
                      based upon tensile strength and average
                      impact energy of 27 J
Annex C (informative) Description of types of electrode core in
                      the classification system based upon yield
                      strength and average impact energy of 47 J
Annex D (informative) Descriptions of types of usability
                      characteristics in the classification
                      system based upon tensile strength and
                      average impact energy of 27 J
Annex E (informative) Notes on hydrogen content

Provides requirements for classification of tubular cored electrodes with or without a gas shield for metal arc welding of high-strength steels in the as-welded condition or in the post-weld heat-treated condition with a minimum yield strength higher than 550 MPa or a minimum tensile strength higher than 590 MPa.