NEN EN ISO 16834 : 2012

Foreword
Introduction
1 Scope
2 Normative references
3 Classification
4 Symbols and requirements
  4.1 Symbol for the product/process
  4.2 Symbol for strength and elongation properties of
      all-weld metal
  4.3 Symbol for impact properties of all-weld metal
  4.4 Symbol for shielding gas
  4.5 Symbol for the chemical composition of wire electrodes,
      wires and rods
  4.6 Symbol for condition of post-weld heat treatment
  4.7 Rounding-off procedure
5 Mechanical tests
  5.1 Preheating and interpass temperatures
  5.2 Welding conditions and pass sequence
  5.3 Post-weld heat-treated condition
6 Chemical analysis
7 Retest
8 Technical delivery conditions
9 Examples of designation

Defines requirements for classification of wire electrodes, wires, rods and all-weld metal deposits in the as-welded condition and in the post-weld heat-treated (PWHT) condition for gas shielded metal arc welding and tungsten inert-gas welding of high-strength steels with a minimum yield strength greater than 500 MPa, or a minimum tensile strength greater than 570 MPa.