GB/T 4909.3-2009Test methods for bare wires - Part 3: Tensile test (English PDF)
裸电线试验方法 第3部分：拉力试验
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
March 19, 2009
Implementation date
December 1, 2009
Scope
GB/T 4909.3-2009 is the English-translated version of 裸电线试验方法 第3部分：拉力试验.
GB/T 4909.3-2009 is the Chinese standard "Test methods for bare wires - Part 3: Tensile test". Its scope clause reads: This part of GB/T 4909 specifies the test apparatuses, specimen preparation, measurement procedures, test results and evaluation of tensile test for bare wires.
This part is applicable to the measurement of tensile properties of various round, rectangular, special-shaped and stranded conductors. The test method specified in this part is to make a certain length of specimen bear increasing tensile stress, generally until the specimen breaks, and measure its breaking force and elongation.
This part shall be used in combination with GB/T 4909.1-2009. Its clauses include terms and definitions.
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Document preview — GB/T 4909.3-2009
National Standard of the People's Republic of China
- ICS
- 29.060.10
- Classification
- K 11
- Replacing
- GB/T 4909.3-1985
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword i
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Test apparatuses
- 5 Specimen preparation
- 6 Test steps
- 7 Test results and evaluation
1 Scope
This part of GB/T 4909 specifies the test apparatuses, specimen preparation, measurement procedures, test results and evaluation of tensile test for bare wires.
This part is applicable to the measurement of tensile properties of various round, rectangular, special-shaped and stranded conductors.
The test method specified in this part is to make a certain length of specimen bear increasing tensile stress, generally until the specimen breaks, and measure its breaking force and elongation.
This part shall be used in combination with GB/T 4909.1-2009.
2 Normative references
The following standards contain provisions which, through reference in this part of GB/T 4909, constitute provisions of this part. For dated references, subsequent amendments (excluding corrections) to, or revisions, of any of these publications do not apply. However, all parties coming to an agreement according to this part are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest editions apply to this part.
GB/T 228-2002 Metallic materials - Tensile testing at ambient temperature (eqv ISO 6892:1998)
GB/T 4909.1-2009 Test methods for bare wires - Part 1: General
GB/T 4909.2-2009 Test methods for bare wires - Part 2: Measurement of dimensions
3 Terms and definitions
3.1 gauge length
the specified length of the specimen at any moment during the test. Especially the following definitions shall be distinguished
3.1.1 original gauge length
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Cited by
- GB/T 46382-2025Test methods for conductors for overhead transmission lines
- GB/T 3953-2024Round copper wire for electrical purposes
- GB/T 12971.1-2023Trolley and contact wires for electric traction - Part 1: Copper and copper-alloy contact wires
- GB/T 20509-2023Copper and copper alloys drawing for contacting materials of electric locomotives
- GB/T 4910-2022Tinned round copper wire
- GA/T 1297-2021Wires and cables for security systems
Similar standards
Editions of GB/T 4909.3
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 4909.3-2009 | Test methods for bare wires - Part 3: Tensile test | current edition | Current |
| GB/T 4909.3-1985 | Test methods for bare wires - Part 3: Tensile test | previous edition | Superseded |
This page sells the current edition, GB/T 4909.3-2009. Earlier editions are listed for reference only.
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Related Standards
GB/T 4909.1-2009 — Test methods for bare wires - Part 1: General
GB/T 4909.10-2009 — Test methods for bare wires - Part 10: Test for continuity of coating - Ammonium persulphate solution method
GB/T 4909.11-2009 — Test methods for bare wires - Part 11: Test for adherence of coating
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