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EN 14399-10:2018

Current
Current

The latest, up-to-date edition.

High-strength structural bolting assemblies for preloading - Part 10: System HRC - Bolt and nut assemblies with calibrated preload
Published date

05-03-2018

European foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Bolts
5 Nuts
6 Designation of bolt/nut assemblies
7 Associated washers
8 Functional characteristics of bolt/nut/washer(s)
  assemblies
Annex A (informative) - Clamp lengths and grip
        lengths
Bibliography

This European Standard specifies, together with EN 14399- and EN 14399-2, the requirements for assemblies of high-strength structural bolts and nuts of system HRC suitable for preloaded joints, with hexagon head (large widths across flats), cup head or countersunk head, thread sizes M12 to M36 and property class 10.9/10.Bolting assemblies in accordance with this document have been designed to allow preloading of at least 0,7 fub × As ) according to EN 1993-1-8 (Eurocode 3) and to obtain ductility predominantly by plastic elongation of the bolt. For this purpose the components have the following characteristics:-regular nut height according to (style 1), see EN ISO 4032; or-nut with height m = 1 D;-thread length of the bolt in accordance with ISO 888.Bolting assemblies in accordance with this document include washers according to EN 14399-6 or to EN 14399-5 (under the nut only).NOTEAttention is drawn to the importance of ensuring that the bolting assemblies are correctly used if a satisfactory result is to be obtained. For recommendations concerning proper application, reference to EN 1090-2 is made.General requirements and requirements for suitability for preloading are specified in EN 14399-2 and in Clause 8 of this document.

Committee
CEN/TC 185
DevelopmentNote
Supersedes PREN 14399-10. (05/2018)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

ISO 272:1982 Fasteners — Hexagon products — Widths across flats
EN 14399-8:2007 High-strength structural bolting assemblies for preloading - Part 8: System HV - Hexagon fit bolt and nut assemblies
ISO 898-2:2012 Mechanical properties of fasteners made of carbon steel and alloy steel — Part 2: Nuts with specified property classes — Coarse thread and fine pitch thread
EN 14399-3:2015 High-strength structural bolting assemblies for preloading - Part 3: System HR - Hexagon bolt and nut assemblies
ISO 10684:2004 Fasteners — Hot dip galvanized coatings
ISO 965-5:1998 ISO general purpose metric screw threads — Tolerances — Part 5: Limits of sizes for internal screw threads to mate with hot-dip galvanized external screw threads with maximum size of tolerance position h before galvanizing
ISO 4759-1:2000 Tolerances for fasteners — Part 1: Bolts, screws, studs and nuts — Product grades A, B and C
ISO 6157-1:1988 Fasteners — Surface discontinuities — Part 1: Bolts, screws and studs for general requirements
EN 26157-1 : 1991 FASTENERS - SURFACE DISCONTINUITIES - PART 1: BOLTS, SCREWS AND STUDS FOR GENERAL REQUIREMENTS
ISO 965-2:1998 ISO general purpose metric screw threads — Tolerances — Part 2: Limits of sizes for general purpose external and internal screw threads — Medium quality
ISO 3508:1976 Thread run-outs for fasteners with thread in accordance with ISO 261 and ISO 262
EN ISO 4759-1 : 2000 TOLERANCES FOR FASTENERS - PART 1: BOLTS, SCREWS, STUDS AND NUTS - PRODUCT GRADES A, B AND C
EN ISO 3269:2000 FASTENERS - ACCEPTANCE INSPECTION
EN 14399-6:2015 High-strength structural bolting assemblies for preloading - Part 6: Plain chamfered washers
EN 14399-1:2015 High-strength structural bolting assemblies for preloading - Part 1: General requirements
ISO 888:2012 Fasteners — Bolts, screws and studs — Nominal lengths and thread lengths
EN 14399-4:2015 High-strength structural bolting assemblies for preloading - Part 4: System HV - Hexagon bolt and nut assemblies
EN ISO 898-1:2013 Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts, screws and studs with specified property classes - Coarse thread and fine pitch thread (ISO 898-1:2013)
ISO 261:1998 ISO general purpose metric screw threads General plan
EN 1090-2:2008+A1:2011 EXECUTION OF STEEL STRUCTURES AND ALUMINIUM STRUCTURES - PART 2: TECHNICAL REQUIREMENTS FOR STEEL STRUCTURES
ISO 6157-2:1995 Fasteners Surface discontinuities Part 2: Nuts
EN 14399-7:2007 High-strength structural bolting assemblies for preloading - Part 7: System HR - Countersunk head bolt and nut assemblies
EN ISO 6157-2:2004 Fasteners - Surface discontinuities - Part 2: Nuts (ISO 6157-2:1995)
EN ISO 4032:2012 Hexagon regular nuts (style 1) - Product grades A and B (ISO 4032:2012)
EN ISO 10684:2004/AC:2009 Fasteners - Hot dip galvanized coatings (ISO 10684:2004/Cor 1:2008)
EN 14399-5:2015 High-strength structural bolting assemblies for preloading - Part 5: Plain washers
EN 1993-1-8:2005/AC:2009 EUROCODE 3: DESIGN OF STEEL STRUCTURES - PART 1-8: DESIGN OF JOINTS
ISO 3269:2000 Fasteners Acceptance inspection
EN 14399-2:2015 High-strength structural bolting assemblies for preloading - Part 2: Suitability for preloading

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