BS EN 14399-3:2015
Current
The latest, up-to-date edition.
High-strength structural bolting assemblies for preloading System HR. Hexagon bolt and nut assemblies
Hardcopy , PDF
English
28-02-2015
Foreword
Introduction
1 Scope
2 Normative references
3 Bolts
4 Nuts
5 Designation of the bolt/nut assemblies
6 Associated washers
7 Functional characteristics of the bolt/nut/washer(s) assembly
Annex A (normative) - Clamp lengths and grip lengths
Bibliography
Defines together with EN 14399-1 and EN 14399-2, the requirements for assemblies of high-strength structural bolts and nuts of system HR suitable for preloaded joints with large widths across flats, thread sizes M12 to M36 and property classes 8.8/8 or 8.8/10 and 10.9/10.
| Committee |
FME/9/-/2
|
| DevelopmentNote |
Supersedes 02/704462 DC. (11/2005) Together with BS EN 14399-1, BS EN 14399-2, BS EN 14399-4, BS EN 14399-5, BS EN 14399-6, BS EN 14399-7, BS EN 14399-8 and BS EN 14399-10 it supersedes BS 4395-1(1969) and BS 4395-2(1969). (07/2009) Supersedes 13/30277431 DC. (02/2015)
|
| DocumentType |
Standard
|
| Pages |
32
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This European Standard specifies, together with EN14399‑1 and EN14399‑2 , the requirements for assemblies of high-strength structural bolts and nuts of system HR suitable for preloaded joints with large widths across flats, thread sizes M12 to M36 and property classes 8.8/8 or 8.8/10 and 10.9/10. Bolting assemblies in accordance with this document have been designed to allow preloading of at least 0,7 f ub× A s 1) according to EN1993‑1‑8 (Eurocode 3) and to obtain ductility predominantly by plastic elongation of the bolt. For this purpose the components have the following characteristics: normal nut height (style 1), see ENISO4032 ; thread length of the bolt according to ISO888 . Bolting assemblies in accordance with this document include washers according to EN14399‑6 or to EN14399‑5 (under the nut only). NOTE Attention is drawn to the importance of ensuring that bolting assemblies are correctly used if satisfactory results are to be obtained. For recommendations concerning proper application, reference to EN1090‑2 is made. General requirements and requirements for suitability for preloading are specified in EN14399‑2 . Clamp lengths and grip lengths for the bolting assemblies are specified in the normative AnnexA.
| Standards | Relationship |
| NBN EN 14399-3 : 2015 | Identical |
| EN 14399-3:2015 | Identical |
| NEN EN 14399-3 : 2015 | Identical |
| I.S. EN 14399-3:2015 | Identical |
| NF EN 14399-3 : 2015 | Identical |
| NS EN 14399-3 : 2015 | Identical |
| DIN EN 14399-3:2015-04 | Equivalent |
| DIN EN 14399-3:2015-04 | Identical |
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