BS EN ISO 898-1:2013
Current
The latest, up-to-date edition.
Mechanical properties of fasteners made of carbon steel and alloy steel Bolts, screws and studs with specified property classes. Coarse thread and fine pitch thread
Hardcopy , PDF
English
31-01-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Designation system for property classes
6 Materials
7 Mechanical and physical properties
8 Applicability of test methods
9 Test methods
10 Marking
Annex A (informative) - Relation between tensile strength and
elongation after fracture
Annex B (informative) - Influence of elevated temperatures on
mechanical properties of fasteners
Annex C (informative) - Elongation after fracture for full-size
fasteners, A[f]
Bibliography
Describes mechanical and physical properties of bolts, screws and studs made of carbon steel and alloy steel when tested at an ambient temperature range of 10 degrees C to 35 degrees C.
| Committee |
FME/9
|
| DevelopmentNote |
Supersedes BS EN 20898-1 and 96/715367 DC. (06/2005) Supersedes 06/30151815 DC. (04/2009)
|
| DocumentType |
Standard
|
| Pages |
66
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This part of ISO898 specifies mechanical and physical properties of bolts, screws and studs made of carbon steel and alloy steel when tested at an ambient temperature range of 10°C to 35°C. Fasteners (the term used when bolts, screws and studs are considered all together) that conform to the requirements of this part of ISO898 are evaluated at that ambient temperature range. They might not retain the specified mechanical and physical properties at elevated temperatures (see AnnexB) and/or lower temperatures.
NOTE1 Fasteners conforming to the requirements of this part of ISO898 are used in applications ranging from−50°C to+150°C. Users are advised to consult an experienced fastener metallurgist for temperatures outside the range of−50°C to+150°C and up to a maximum temperature of+300°C when determining appropriate choices for a given application.
NOTE2 Information for the selection and application of steels for use at lower and elevated temperatures is given, for example, in EN10269, ASTM F2281 and in ASTM A320/A320M.
Certain bolts and screws might not fulfil the tensile or torsional requirements of this part of ISO898 because the geometry of their heads reduces the shear area in the head compared to the stress area in the thread. These include bolts and screws having a low or countersunk head (see 8.2).
This part of ISO898 is applicable to bolts, screws and studs
-
made of carbon steel or alloy steel,
-
having triangular ISO metric screw thread in accordance with ISO68-1,
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with coarse pitch thread M1,6 to M39, and fine pitch thread M8×1 to M39×3,
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with diameter/pitch combinations in accordance with ISO261 and ISO262, and
-
having thread tolerances in accordance with ISO965-1, ISO965-2 and ISO965-4.
It is not applicable to set screws and similar threaded fasteners not under tensile stress (see ISO898-5).
It does not specify requirements for such properties as
-
weldability,
-
corrosion resistance,
-
resistance to shear stress,
-
torque/clamp force performance (for test method, see ISO16047), or
-
fatigue resistance.
| Standards | Relationship |
| NBN EN ISO 898-1 : 2013 | Identical |
| I.S. EN ISO 898-1:2013 | Identical |
| ISO 898-1:2013 | Identical |
| EN ISO 898-1:2013 | Identical |
| DIN EN ISO 898-1:2013-05 | Identical |
| NEN EN ISO 898-1 : 2013 | Identical |
| NF EN ISO 898-1 : 2013 | Identical |
| NS EN ISO 898-1 : 2013 AC 2013 | Identical |
| UNE-EN ISO 898-1:2015 | Identical |
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