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Norm

ISO 5817:2023

Issue date: 2023 02 24

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

This document specifies quality levels of imperfections in fusion-welded joints (except for beam welding) in all types of steel, nickel, titanium and their alloys. It app...
Valid
Publisher:
International Organization for Standardization
Format:
Digital | 26 Pages
Language:
English

This document specifies 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 = 0,5 mm. It covers fully penetrated butt welds and all fillet welds. Its principles can also be applied to partial-penetration butt welds.

Quality levels for beam-welded joints in steel are presented in ISO 13919-1.

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.

Several types of loads are considered, e.g. static load, thermal load, corrosion load, pressure load. Additional guidance on fatigue loads is given in Annex B.

The quality levels refer to production and good workmanship.

This document is applicable to:

a)       non-alloy and alloy steels;

b)       nickel and nickel alloys;

c)        titanium and titanium alloys;

d)       manual, mechanized and automatic welding;

e)       all welding positions;

f)         all types of welds, e.g. butt welds, fillet welds and branch connections;

g)       the following welding processes and their sub-processes, as defined in ISO 4063:

ISO 5817:2023
2023 02 24
Welding — Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) —...
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ISO 5817:2014
2014 02 06
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ISO 5817:2003/Cor 1:2006
2006 02 14
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ISO 5817:2003
2003 10 21
Welding — Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) —...
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ISO 5817:1992
1992 06 04
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