GB/T 5584.2-2020Rectangular copper or aluminium and its alloy wires for electrical purposes - Part 2: Rectangular copper and copper alloy wire (English PDF)
电工用铜、铝及其合金扁线 第2部分：铜及其合金扁线
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 14, 2020
Implementation date
July 1, 2021
Scope
GB/T 5584.2-2020 is the English-translated version of 电工用铜、铝及其合金扁线 第2部分：铜及其合金扁线.
GB/T 5584.2-2020 is the Chinese standard "Rectangular copper or aluminium and its alloy wires for electrical purposes - Part 2: Rectangular copper and copper alloy wire".
Its scope clause reads: This part of GB/T 5584 specifies the technical requirements, test and inspection rules and delivery requirements for the rectangular copper and copper alloy wire.
This part is applicable to the rectangular copper and copper alloy wires for electrical purposes. Its clauses include technical requirements.
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Document preview — GB/T 5584.2-2020
National Standard of the People's Republic of China
- ICS
- 29.060.10
- Classification
- K 11
- Replacing
- GB/T 5584.2-2009
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword i
- 1 Scope
- 2 Normative references
- 3 Technical requirements
- 4 Test and inspection rules
- 5 Delivery requirements
1 Scope
This part of GB/T 5584 specifies the technical requirements, test and inspection rules and delivery requirements for the rectangular copper and copper alloy wire.
This part is applicable to the rectangular copper and copper alloy wires for electrical purposes.
2 Normative references
The following documents are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 228.1-2010 Metallic materials - Tensile testing - Part 1: Method of test at room temperature
GB/T 3048.2 Test methods for electrical properties of electric cables and wires - Part 2: Test of electrical resistivity of metallic materials
GB/T 4074.3 Test methods for winding wires - Part 3: Mechanical properties
GB/T 4909.2 Test methods for bare wires - Part 2: Measurement of dimensions
GB/T 4909.3 Test methods for bare wires - Part 3: Tensile test
GB/T 4909.6 Test methods for bare wires - Part 6: Bend test - Single bend test
GB/T 5121 (all parts) Methods for chemical analysis of copper and copper alloys
GB/T 5584.1-2020 Rectangular copper or aluminium and its alloy wires for electrical purposes - Part 1: General
3 Technical requirements
3.1 Chemical compositions
The chemical compositions of rectangular copper and copper alloy wires shall meet those specified in Table 1, and the mechanical and electrical properties of rectangular copper and copper alloy wires shall meet the requirements of this part.
Table 1 Chemical compositions of rectangular copper and copper alloy wire
Product category Mass fraction/%
Cu + Ag, >= Ag
TB 99.90 -
TH11B 99.90 0.020-0.050
TH12B 99.90 0.050-0.100 (excluding 0.050)
Note: In case of any special requirement for chemical compositions, it shall be determined through negotiation between the supplier and the purchaser.
3.2 Dimension and deviation
The dimension and deviation of rectangular copper and copper alloy wires shall meet the requirements of GB/T 5584.1-2020.
3.3 Tensile strength and elongation
3.3.1
The tensile strength and elongation of soft, hard and extra-hard copper rectangular wires shall meet those specified in Table 2.
3.3.2
The mechanical properties of semi-hard copper rectangular wires shall meet those specified in Table 3.
3.3.3
The tensile strength and elongation of copper alloy rectangular wires shall meet those specified in Table 4.
Table 2 Performance requirements for soft, hard and extra-hard copper rectangular wires
Narrow edge, mm State
R Y1 Y2
Maximum tensile strength, MPa Minimum elongation
% Maximum DC resistivity at 20°C, ohm·mm2/m Tensile strength, MPa Minimum elongation
% Maximum DC resistivity at 20°C, ohm·mm2/m Minimum tensile strength, MPa Minimum elongation, % Maximum DC resistivity at 20°C, ohm·mm2/m
0.80 <= a <= 2.00 275 30.0 0.017 241 275-373 1.5 0.017 770 373 0.4 0.017 770
Table 3 Performance requirements for semi-hard copper rectangular wires
State Specified plastic elongation strength Rp0.2, MPa Minimum elongation, % Maximum DC resistivity at 20°C, ohm·mm2/m
Y1/2 100 < Rp0.2 <= 180 20 0.017 241
180 < Rp0.2 <= 220 15 0.017 391
220 < Rp0.2 <=260 15 0.017 544
Table 4 Performance requirements for copper alloy rectangular wires
Materials and product category State Minimum tensile strength, MPa Minimum elongation, % Maximum DC resistivity at 20°C, ohm·mm2/m
TH11B Y1 250 15 0.017 593
TH12B 0.017 774
3.4 Bending
3.4.1
The edge b of hard, semi-hard and extra-hard copper and copper alloy rectangular wires shall be bent 90°, and the surface shall be free from cracks. The diameter of the bending cylinder shall be selected according to the dimension of edge a, which shall meet those specified in Table 5.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Similar standards
Editions of GB/T 5584.2
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 5584.2-2020 | Rectangular copper or aluminium and its alloy wires for electrical purposes - Part 2: Rectangular copper and copper alloy wire | current edition | Current |
| GB/T 5584.2-2009 | Rectangular copper or aluminium and its alloy wires for electrical purposes - Part 2: Rectangular copper and copper alloy wire | previous edition | Superseded |
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Related Standards
GB/T 5584.3-2009 — Rectangular copper or aluminium and its alloy wires for electrical purposes - Part 3: Aluminium rectanglar wire
GB/T 5584.1-2020 — Rectangular copper or aluminium and its alloy wires for electrical purposes—Part 1: General
GB/T 5584.4-2020 — Rectangular copper or aluminium and its alloy wires for electrical purposes - Part 4: Strip copper conductor
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