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EN 1708-3:2012

Current
Current

The latest, up-to-date edition.

Welding - Basic weld joint details in steel - Part 3: Clad, buttered and lined pressurized components
Published date

07-03-2012

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
Bibliography

This European Standard complements EN 1708-1 with regard to applications in industrial, chemical and pharmaceutical sectors. It specifies established examples on how to construct claddings, linings and dissimilar joints and complex connections relevant to the welding technology and with regard to pressurized components (e.g. vessels, boilers and piping). In the following text therefore the term pressurized components will be used.These examples can also be used for other applications provided the relevant requirements are taken into account. For exceptional cases such as specific problems concerning corrosion or materials in need of special processes, other solutions can be necessary which are to be agreed upon between purchaser and manufacturer.Appropriate national regulations and corresponding design specifications are to be followed when selecting design examples as well as, if applicable, different or further requirements.This European Standard does not override conditions on dimensioning of welded joints regarding strength (e.g. according to EN 12952, EN 12953, EN 13445 and EN 13480). It is to be applied in accordance with the specified application limits for pressurized components subject to compression stress with bearing wall thicknesses  30 mm. This limit is chosen for structural reasons and not for the heat treatment that may be required. The wall thickness limit applies to butt welds in the bearing vessel wall only and does not apply to flanges, torispherical heads, flat ends or other similar parts.This European Standard applies to the following types of steel:- non alloyed steels with a minimum tensile strength of Rm  450 MPa;- P295GH and 16Mo3 according to EN 10028-2;- fine-grain steels according to EN 10028-3 with a minimum yield point ReL  355 MPa;- austenitic steels according to EN 10028-7.This European Standard can also be applied to other steels and/or larger wall thicknesses, provided that an agreement has been made between the manufacturer and the purchaser/operating authority.

Committee
CEN/TC 121
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

Standards Relationship
DIN EN 1708-3:2012-05 Identical
BS EN 1708-3:2012 Identical
SN EN 1708-3 : 2012 Identical
UNE-EN 1708-3:2012 Identical
I.S. EN 1708-3:2012 Identical
NS EN 1708-3 : 2012 Identical
NEN EN 1708-3 : 2012 Identical
UNI EN 1708-3 : 2012 Identical
NF EN 1708-3 : 2012 Identical
NBN EN 1708-3 : 2012 Identical
PN EN 1708-3 : 2012 Identical

EN 13480-4:2017 Metallic industrial piping - Part 4: Fabrication and installation
I.S. EN 13480-4:2017 METALLIC INDUSTRIAL PIPING - PART 4: FABRICATION AND INSTALLATION
BS EN 13480-4:2017 Metallic industrial piping Fabrication and installation
UNE-EN 13480-4:2017 Metallic industrial piping - Part 4: Fabrication and installation (Endorsed by Asociación Española de Normalización in September of 2019.)

ISO/TR 20172:2009 Welding Grouping systems for materials European materials
EN 1708-1:2010 Welding - Basic welded joint details in steel - Part 1: Pressurized components
EN 10028-3:2017 Flat products made of steels for pressure purposes - Part 3: Weldable fine grain steels, normalized
ISO/TR 15608:2017 Welding Guidelines for a metallic materials grouping system
EN ISO 4063:2010 Welding and allied processes - Nomenclature of processes and reference numbers (ISO 4063:2009, Corrected version 2010-03-01)
EN 10028-2:2017 Flat products made of steels for pressure purposes - Part 2: Non-alloy and alloy steels with specified elevated temperature properties
EN 10028-7:2016 Flat products made of steels for pressure purposes - Part 7: Stainless steels
ISO/TR 25901:2007 Welding and related processes Vocabulary
CEN ISO/TR 15608:2017 Welding - Guidelines for a metallic materials grouping system (ISO/TR 15608:2017)
EN 1011-5:2003 Welding - Recommendations for welding of metallic materials - Part 5: Welding of clad steel
ISO 4063:2009 Welding and allied processes — Nomenclature of processes and reference numbers
CEN ISO/TR 20172:2009 Welding - Grouping systems for materials - European materials (ISO/TR 20172:2009)

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