ISO 23475-1:2021
Testing method for steel tyre cord — Part 1: General requirements
This document specifies test methods of steel cords which are used for tyre reinforcement. Dimension, process properties, mechanical properties and coating test method are all included.
| Get this standard | Prices exclude GST | |
|---|---|---|
| PDF ( Single user document) |
$256.00 NZD
|
|
| HardCopy |
$303.00 NZD
|
|
| Networkable PDF |
Price varies
|
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Dimension
4.1 Cord diameter
4.1.1 Measure with micrometre
4.1.2 Measure with profile projector
4.2 Unravelled filament diameter
4.2.1 Principle
4.2.2 Apparatus
4.2.3 Procedure
4.2.4 Expression of results
4.2.5 Test report
4.3 Linear density
4.3.1 Principle
4.3.2 Apparatus
4.3.3 Procedure
4.3.4 Test report
4.4 Lay direction and lay length
4.4.1 Lay direction/direction of lay
4.4.2 Trace method for lay length
4.4.3 Untwisting method for lay length
5 Process property
5.1 Straightness
5.1.1 Principle
5.1.2 Apparatus
5.1.3 Procedure
5.1.4 Test report
5.2 Arc height
5.2.1 Principle
5.2.2 Apparatus
5.2.3 Procedure
5.2.4 Test report
5.3 Flare
5.3.1 Principle
5.3.2 Apparatus
5.3.3 Procedure
5.3.4 Test report
5.4 Residual torsion
5.4.1 Principle
5.4.2 Apparatus
5.4.3 Procedure
5.4.4 Test report
6 Mechanical property
6.1 Breaking load and elongation at fracture
6.1.1 Principle
6.1.2 Apparatus
6.1.3 Procedure
6.1.4 Test report
6.2 Elongation between defined forces (EDF)
6.2.1 Principle
6.2.2 Apparatus
6.2.3 Procedure
6.2.4 Test report
6.3 Loop test (Elasticity)
6.3.1 Principle
6.3.2 Apparatus
6.3.3 Procedure
6.3.4 Test report
7 Determination of mass and composition of coating by X-Ray fluorescence spectroscopy
7.1 Principle
7.2 Apparatus
7.2.1 WDXRFS or EDXRFS
7.2.2 Analytical balance, which can be read to the nearest 0,001 g.
7.2.3 Dispenser, with the accuracy of 25,00 ml ± 0,05 ml.
7.2.4 X/Y shaker, with variable frequency.
7.3 Reagents
7.3.1 Acetone or diethyl ether
7.3.2 Ammonium persulphate (mass fraction >98 %)
7.3.3 Ammonia (mass fraction >25 %, not more than “d=0,91” at temperature 20 °C)
7.3.4 Stripping solution, for 1 l: weigh 16 g ammonia persulphate into a beaker of 600 ml and dissolve in 400 ml demineralized water. Transfer quantitatively into a 1 l volumetric flask. Add 120 ml ammonia. Fill up to the mark with demineralized water. Sh
7.3.5 Standard, the matrix and range should cover the sample range. Prepare the calibration standards according to the XRFS user’s manual or according to an example in Table 1.
7.4 Preparation of test samples
7.5 Procedure
7.6 Expression of results
7.7 Test report
Keep me up-to-date
Sign up to receive updates when there are changes to this standard
Related Information
Similar Standards
-
AS/NZS 3863:2002
Galvanized mild steel wire for armouring of cables
-
AS/NZS 4534:2006
Zinc and zinc/aluminium-alloy coatings on steel wire
-
BS 1052:1980
Specification for mild steel wire for general engineering purposes
-
BS 183:1972
Specification for general purpose galvanized steel wire strand
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Dimension
4.1 Cord diameter
4.1.1 Measure with micrometre
4.1.2 Measure with profile projector
4.2 Unravelled filament diameter
4.2.1 Principle
4.2.2 Apparatus
4.2.3 Procedure
4.2.4 Expression of results
4.2.5 Test report
4.3 Linear density
4.3.1 Principle
4.3.2 Apparatus
4.3.3 Procedure
4.3.4 Test report
4.4 Lay direction and lay length
4.4.1 Lay direction/direction of lay
4.4.2 Trace method for lay length
4.4.3 Untwisting method for lay length
5 Process property
5.1 Straightness
5.1.1 Principle
5.1.2 Apparatus
5.1.3 Procedure
5.1.4 Test report
5.2 Arc height
5.2.1 Principle
5.2.2 Apparatus
5.2.3 Procedure
5.2.4 Test report
5.3 Flare
5.3.1 Principle
5.3.2 Apparatus
5.3.3 Procedure
5.3.4 Test report
5.4 Residual torsion
5.4.1 Principle
5.4.2 Apparatus
5.4.3 Procedure
5.4.4 Test report
6 Mechanical property
6.1 Breaking load and elongation at fracture
6.1.1 Principle
6.1.2 Apparatus
6.1.3 Procedure
6.1.4 Test report
6.2 Elongation between defined forces (EDF)
6.2.1 Principle
6.2.2 Apparatus
6.2.3 Procedure
6.2.4 Test report
6.3 Loop test (Elasticity)
6.3.1 Principle
6.3.2 Apparatus
6.3.3 Procedure
6.3.4 Test report
7 Determination of mass and composition of coating by X-Ray fluorescence spectroscopy
7.1 Principle
7.2 Apparatus
7.2.1 WDXRFS or EDXRFS
7.2.2 Analytical balance, which can be read to the nearest 0,001 g.
7.2.3 Dispenser, with the accuracy of 25,00 ml ± 0,05 ml.
7.2.4 X/Y shaker, with variable frequency.
7.3 Reagents
7.3.1 Acetone or diethyl ether
7.3.2 Ammonium persulphate (mass fraction >98 %)
7.3.3 Ammonia (mass fraction >25 %, not more than “d=0,91” at temperature 20 °C)
7.3.4 Stripping solution, for 1 l: weigh 16 g ammonia persulphate into a beaker of 600 ml and dissolve in 400 ml demineralized water. Transfer quantitatively into a 1 l volumetric flask. Add 120 ml ammonia. Fill up to the mark with demineralized water. Sh
7.3.5 Standard, the matrix and range should cover the sample range. Prepare the calibration standards according to the XRFS user’s manual or according to an example in Table 1.
7.4 Preparation of test samples
7.5 Procedure
7.6 Expression of results
7.7 Test report