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Abstract

ISO 5817:2003 provides quality levels of imperfections in fusion-welded joints (except for beam welding) in all types of steel, nickel, titanium and their alloys. It applies to material thickness above 0,5 mm.

Three quality levels are given in order to permit application to a wide range of welded fabrication. They are designated by symbols B, C and D. Quality level B corresponds to the highest requirement on the finished weld. The quality levels refer to production quality and not to the fitness-for-purpose of the product manufactured.

ISO 5817:2003 applies to:

  • unalloyed and alloy steels;
  • nickel and nickel alloys;
  • titanium and titanium alloys;
  • manual, mechanized and automatic welding;
  • all welding positions;
  • all types of welds, e.g. butt welds, fillet welds and branch connections;
  • the following welding processes and their defined sub-processes in accordance with ISO 4063:
    • 11 metal-arc welding without gas protection;
    • 12 submerged-arc welding;
    • 13 gas-shielded metal-arc welding;
    • 14 gas-shielded welding with non-consumable electrodes;
    • 15 plasma arc welding;
    • 31 oxy-fuel gas welding (for steel only).
 

Document History

  1. ISO 5817:2014


    Welding - Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) - Quality levels for imperfections

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  2. ISO 5817:2003

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    Welding - Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) - Quality levels for imperfections

    • Historical Version
  3. ISO 5817:1992


    Arc-welded joints in steel; guidance on quality levels for imperfections

    • Historical Version
 

Amendments & Errata

  1. ISO 5817/Cor1:2006

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    Arc-welded joints in steel - Guidance on quality levels for imperfections - Corrigendum