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BS EN 10270-1:2024 – TC

BS EN 10270-1:2024 – TC

$217.84

Tracked Changes. Steel wire for mechanical springs – Patented cold drawn unalloyed spring steel wire

Published By Publication Date Number of Pages
BSI 2024 77
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This document applies to patented cold drawn unalloyed steel wire of circular cross-section for the manufacture of mechanical springs for static duty and dynamic duty applications. General technical delivery requirements can be found in EN 10021.

PDF Catalog

PDF Pages PDF Title
45 undefined
50 1 Scope
2 Normative references
3 Terms and definitions
51 4 Classification
5 Information to be supplied by the purchaser
52 6 Requirements
6.1 Material
6.1.1 General
6.1.2 Chemical composition
6.2 Form of delivery
6.3 Coating and surface finish
6.4 Mechanical properties
60 6.5 Technological properties
6.5.1 Coiling test
6.5.2 Simple torsion test
6.5.3 Wrapping test
6.5.4 Simple bend test
61 6.6 Supply conditions of wire on coils/reels and spools
6.6.1 General
6.6.2 Coil size
6.6.3 Cast of wire
6.6.4 Helix cast of wire
62 6.6.5 Other tests for cast of wire
6.7 Surface quality
63 6.8 Dimensions and dimensional tolerances
6.8.1 Dimensional tolerances
65 6.8.2 Out of roundness
7 Testing and inspection
7.1 Inspection and inspection documents
7.2 Extent of testing for specific inspection
7.3 Sampling
66 7.4 Test methods
7.4.1 Chemical composition
7.4.2 Tensile test
7.4.3 Coiling test
7.4.4 Wrapping test
7.4.5 Simple torsion test
7.4.6 Simple bend test
7.4.7 Surface defects
67 7.4.8 Decarburization
7.4.9 Diameter
7.4.10 Zinc and zinc/aluminium coating
7.4.11 Adherence of coating
7.5 Retests
8 Marking and packaging
71 Annex A (informative)Additional information
A.1 Definition of surface condition of the wire
A.1.1 Drawing condition
A.1.2 Surface treatment
72 A.1.3 Abbreviations
A.2 Physical characteristics at room temperature
A.2.1 Modulus of elasticity and shear modulus
A.2.2 Density
A.3 Accuracy of measuring instruments
A.4 Tensile strength formula
73 A.5 Indication for the use of cold drawn spring steel wire
74 Annex B (informative)Protection performance classes

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BS EN 10270-1:2024 - TC
$217.84