NEN EN ISO 11623 : 2016

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Intervals between periodic inspection and testing
5 Procedures for periodic inspection and test
6 Identification of cylinder and preparation for
   inspection and test
7 External visual inspection
8 Internal visual inspection
9 Permeability testing
10 Pressure test
11 Inspection of valve
12 Final operations
13 Rejection and rendering cylinders unserviceable
Annex A (informative) Example of procedure to be adopted
         when a cylinder valve is suspected of being
         obstructed
Annex B (normative) Damage criteria for wire wound aluminium
         alloy cylinders
Annex C (informative) Inspection and maintenance of valves -
         Recommended procedures
Annex ZA (normative) Corresponding international and
         European standards for which equivalents are not
         given in the text

Defines requirements for classification of covered electrodes for manual metal arc welding, wire electrodes for metal arc welding, tubular cored electrodes for metal arc welding with and without a gas shield, rods for TIG-welding, and rods for oxy-fuel gas welding of unalloyed cast irons.