BS EN 26157-3:1992
Current
The latest, up-to-date edition.
Fasteners. Surface discontinuities. Bolts, screws and studs for special requirements
Hardcopy , PDF
English
01-04-1992
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National foreword
Foreword
Text of EN 26157-3 - No contents section
National annex NA (informative)
National annex NB (informative)
| Committee |
FME/9
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| DevelopmentNote |
Also numbered as ISO 6157-3 Supersedes 85/78855 DC (10/2005) Reviewed and confirmed by BSI, January 2007. (12/2006)
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
British Standards Institution
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| Status |
Current
|
1.1 This part of ISO 6157 establishes limits for various types of surface discontinuities on bolts, screws and studs for special requirements.
It applies to bolts, screws and studs with
nominal thread diameters 5 mm and larger;
product grades A and B;
nominal lenghts l ≤ 10d (or longer if specified);
property class 12.9;
property classes 8.8, 9.8 and 10.9 when specified in product standards or agreed between supplier and purchaser.
1.2 Where the permissible limits for surface discontinuities indicated in clause 3 occur, the minimum values for the mechanical and functional properties specified in ISO 898-1 should still be met.
When fatigue strength requirements are specified, the fatigue strength should not be lower than that obtained on bolts without defects taken from the same lot.
NOTE 1 The figures in clause 3 are examples only. They apply correspondingly also to other types of bolts, screws and studs.
NOTE 2 The individual figures show the surface discontinuities exaggerated in some cases for clarity.
| Standards | Relationship |
| UNE-EN 26157-3:1992 | Identical |
| I.S. EN 26157-3:1992 | Identical |
| NBN EN 26157-3 : 1992 | Identical |
| NF EN 26157-3 : 1992 | Identical |
| EN 26157-3:1991 | Identical |
| UNI EN 26157-3 : 1993 | Identical |
| DIN EN 26157-3:1991-12 | Identical |
| BS AU 50-2.3:1994 | Tyres and wheels. Wheels and rims Specification for road-wheel nuts, studs and bolts for commercial vehicles |
| ISO 2859:1974 | Sampling procedures and tables for inspection by attributes |
| ISO 468:1982 | Surface roughness — Parameters, their values and general rules for specifying requirements |
| BS EN 20898-1:1992 | Mechanical properties of fasteners Bolts, screws and studs |
| ISO 3269:2000 | Fasteners Acceptance inspection |
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