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ASTM D6320/D6320M-24

(Test Method)

Standard Test Methods for Single Filament Hose Reinforcing Wire Made from Steel

Standard Test Methods for Single Filament Hose Reinforcing Wire Made from Steel

SIGNIFICANCE AND USE
5.1 The procedures for the determination of properties of single-filament hose reinforcing wire made from steel are considered satisfactory for acceptance testing of commercial shipments of this product because the procedures are the best available and have been used extensively in the trade.  
5.1.1 In the case of a dispute arising from differences in reported test results when using these test methods for acceptance testing of commercial shipments, the purchaser and supplier should conduct comparative tests to determine if there is a statistical bias between their laboratories. Competent statistical assistance is recommended for investigation of bias. As a minimum, two parties should take a group of test specimens which are as homogeneous as possible and which are from a lot of material of the type in question. The test specimens then should be randomly assigned in equal numbers to each laboratory for testing. The average results from the two laboratories should be compared by using an appropriate statistical test and an acceptable probability level chosen by the two parties before testing is begun. If a bias is found, either its cause must be determined and corrected or the purchaser and supplier must agree to interpret future test results with consideration to the known bias.
SCOPE
1.1 These test methods cover testing of single filament steel wires that are used to reinforce hose products. By agreement, these test methods may be applied to similar filaments used for reinforcing other rubber products.  
1.2 These test methods describe test procedures only and do not establish specifications or tolerances.  
1.3 These test methods cover the determinations of the mechanical properties listed below:
Property  
Section  
Breaking force (strength)  
7 – 14  
Yield strength  
7 – 14  
Elongation  
7 – 14  
Knot strength  
15 – 21  
Torsion resistance  
22 – 29  
Reverse bend  
30 – 37  
Wrap  
38 – 44  
Diameter  
45 – 51  
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.  
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

Status
Published
Publication Date
31-Dec-2023
Technical Committee
D13 - Textiles
Drafting Committee
D13.19 - Industrial Fibers and Metallic Reinforcements
Current Stage
Ref Project

Relations

Replaces
ASTM D6320/D6320M-10(2014) - Standard Test Methods for Single Filament Hose Reinforcing Wire Made from Steel (Withdrawn 2023)
Effective Date
01-Jan-2024
Referred By
ASTM D6477-23 - Standard Terminology Relating to Tire Cord, Bead Wire, Hose Reinforcing Wire, and Fabrics
Effective Date
01-Jan-2024

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ASTM D6320/D6320M-24 - Standard Test Methods for Single Filament Hose Reinforcing Wire Made from SteelASTM D6320/D6320M-24 - Standard Test Methods for Single Filament Hose Reinforcing Wire Made from Steel
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ASTM D6320/D6320M-24 - Standard Test Methods for Single Filament Hose Reinforcing Wire Made from Steel
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This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: D6320/D6320M − 24
Standard Test Methods for
1
Single Filament Hose Reinforcing Wire Made from Steel
This standard is issued under the fixed designation D6320/D6320M; the number immediately following the designation indicates the
year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last
reapproval. A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 2. Referenced Documents
2
2.1 ASTM Standards:
1.1 These test methods cover testing of single filament steel
D76 Specification for Tensile Testing Machines for Textiles
wires that are used to reinforce hose products. By agreement,
D123 Terminology Relating to Textiles
these test methods may be applied to similar filaments used for
D2969 Test Methods for Steel Tire Cords (Withdrawn
reinforcing other rubber products.
3
2023)
1.2 These test methods describe test procedures only and do
D4848 Terminology Related to Force, Deformation and
not establish specifications or tolerances.
Related Properties of Textiles
D6477 Terminology Relating to Tire Cord, Bead Wire, Hose
1.3 These test methods cover the determinations of the
Reinforcing Wire, and Fabrics
mechanical properties listed below:
Property Section 3. Terminology
Breaking force (strength) 7 – 14
3.1 Definitions:
Yield strength 7 – 14
Elongation 7 – 14
3.1.1 For definitions of terms relating to tire cord, bead wire,
Knot strength 15 – 21
hose wire, and tire cord fabrics, refer to Terminology D6477.
Torsion resistance 22 – 29
3.1.1.1 The following terms are relevant to this standard:
Reverse bend 30 – 37
Wrap 38 – 44
hose reinforcing wire, torsion resistance, yield strength.
Diameter 45 – 51
3.1.2 For definitions of terms related to force and deforma-
1.4 The values stated in either SI units or inch-pound units tion in textiles, refer to Terminology D4848.
are to be regarded separately as standard. The values stated in 3.1.2.1 The following terms are relevant to this standard:
breaking force and elongation.
each system may not be exact equivalents; therefore, each
system shall be used independently of the other. Combining 3.1.3 For definitions of other terms related to textiles, refer
to Terminology D123.
values from the two systems may result in non-conformance
with the standard.
4. Summary of Test Method
1.5 This standard does not purport to address all of the
4.1 A summary of the directions prescribed for determina-
safety concerns, if any, associated with its use. It is the
tion of specific properties of hose reinforcing wire is stated in
responsibility of the user of this standard to establish appro-
the appropriate sections of the specific test methods that follow.
priate safety, health, and environmental practices and deter-
mine the applicability of regulatory limitations prior to use. 5. Significance and Use
1.6 This international standard was developed in accor-
5.1 The procedures for the determination of properties of
dance with internationally recognized principles on standard-
single-filament hose reinforcing wire made from steel are
ization established in the Decision on Principles for the
considered satisfactory for acceptance testing of commercial
Development of International Standards, Guides and Recom-
shipments of this product because the procedures are the best
mendations issued by the World Trade Organization Technical available and have been used extensively in the trade.
Barriers to Trade (TBT) Committee. 5.1.1 In the case of a dispute arising from differences in
reported test results when using these test methods for accep-
tance testing of commercial shipments, the purchaser and
1
These test methods are under the jurisdiction of ASTM Committee D13 on
2
Textiles and are the direct responsibility of Subcommittee D13.19 on Industrial For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Fibers and Metallic Reinforcements. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved Jan. 1, 2024. Published February 2024. Originally Standards volume information, refer to the standard’s Document Summary page on
approved in 1998. Last previous edition approved in 2010 as D6320 – 10(2014) the ASTM website.
3
which was withdrawn February 2023 and reinstated in January 2024. DOI: The last approved version of this historical standard is referenced on
10.1520/D6320_D6320M-24. www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D6320/D6320M − 24
supplier should conduct compar
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