BS EN 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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BS EN ISO 5817:2014

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

Status : Current   Published : February 2014

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PDF

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BS EN ISO 5817:2014 Welding. Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded). Quality levels for imperfections

BS EN ISO 5817 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 ≥ 0,5 mm. It covers fully penetrated butt welds and all fillet welds. Its principles can also be applied to partial-penetration butt welds.

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. The quality levels refer to production and good workmanship.

BS EN ISO 5817 applies 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:
— 11 metal-arc welding without gas protection
— 12 submerged-arc welding
— 13 gas-shielded metal-arc welding
— 14 gas-shielded arc welding with non-consumable tungsten electrodes
— 15 plasma arc welding
— 31 oxy-fuel gas welding (for steel only).

Metallurgical aspects, e.g. grain size, hardness, are not covered by this international standard. This British Standard is the UK implementation of EN ISO 5817:2014. It replaces BS EN ISO 5817:2007 which is now withdrawn.

BS EN ISO 5817 is written by technical experts from:

The Welding Institute
The British Constructional Steel Association
The Safety Assessment Federation
Association of Industrial Laser Users
And many more

Contents of BS EN ISO 5817 include:

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Assessment of imperfections
Annex A (informative) Examples of determination of percentage (%) porosity
Annex B (informative) Additional information and guidelines for use of this
International Standard
Annex C (informative) Additional requirements for welds in steel subject to fatigue
Bibliography




Standard NumberBS EN ISO 5817:2014
TitleWelding. Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded). Quality levels for imperfections
StatusCurrent
Publication Date28 February 2014
Cross ReferencesISO 6520-1:2007, ISO 17635, ISO 2553, ISO 4063, ISO 13919-1
ReplacesBS EN ISO 5817:2007
International RelationshipsEN ISO 5817:2014,ISO 5817:2014
Draft Superseded By12/30250731 DC
DescriptorsWelded joints, Joints, Arc welding, Fusion welding, Steels, Unalloyed steels, Alloy steels, Defects, Acceptance (approval), Grades (quality), Nickel, Nickel alloys, Titanium, Titanium alloys
ICS25.160.40
Title in FrenchSoudage. Assemblages en acier, nickel, titane et leurs alliages soudés par fusion (soudage par faisceau exclu). Niveaux de qualité par rapport aux défauts
Title in GermanSchweißen. Schmelzschweißverbindungen an Stahl, Nickel, Titan und deren Legierungen (ohne Strahlschweißen). Bewertungsgruppen von Unregelmäßigkeiten
CommitteeWEE/-/1
ISBN978 0 580 76234 5
PublisherBSI
FormatA4
DeliveryYes
Pages38
File Size1.397 MB
Price£190.00


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