Standard Active Last Updated: Feb 29, 2024 Track Document
ASTM D6320/D6320M-24

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

Standard Test Methods for Single Filament Hose Reinforcing Wire Made from Steel D6320_D6320M-24 ASTM|D6320_D6320M-24|en-US Standard Test Methods for Single Filament Hose Reinforcing Wire Made from Steel Standard new BOS Vol. 07.02 Committee D13
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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.


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:





Breaking force (strength)

7 – 14


Yield strength

7 – 14



7 – 14


Knot strength

15 – 21


Torsion resistance

22 – 29


Reverse bend

30 – 37



38 – 44



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.

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Book of Standards Volume: 07.02
Developed by Subcommittee: D13.19
Pages: 9
DOI: 10.1520/D6320_D6320M-24
ICS Code: 77.140.65