GB/T 36634-2018Silver-coated copper-clad steel wire for electronic products (English PDF)
电子产品用镀银铜包钢线
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
September 17, 2018
Implementation date
April 1, 2019
Scope
GB/T 36634-2018 is the English-translated version of 电子产品用镀银铜包钢线.
GB/T 36634-2018 covers silver-plated copper-clad steel wire made from copper-clad steel wire for use in electronic products.
It divides the wire into four categories, 30A, 30H, 40A and 40H, by a relative conductivity of 30 % or 40 % IACS and by the soft or hard state, and into five plating grades, A to E, for silver contents from 1.25 % to 8.00 % by weight.
The model designation combines the type code SCCS, the category, the nominal diameter in mm and the plating grade.
The standard also sets requirements, test methods, inspection rules, packaging, marking, transport and storage, and its normative references include the resistivity, dimensional, tensile and bending test methods of GB/T 3048.2-2007 and GB/T 4909. It was issued on 17 September 2018 and has applied since 1 April 2019.
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Document preview — GB/T 36634-2018
National Standard of the People's Republic of China
- ICS
- 29.060.10
- Classification
- K 11
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Classification and model
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
1 Scope
This standard specifies the classification, model, requirements, test methods, inspection rules, packaging, product marks, and other specifications of silver-plated copper-clad steel wires for electronic products. Transportation and storage.
This standard applies to silver-plated copper-clad steel wire for electronic products based on copper-clad steel wire.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this document. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 3048.2-2007 Test methods for electrical properties of wires and cables - Part 2. Electrical resistivity test
GB/T 4135-2016 silver ingot
GB/T 4909.2-2009 Test methods for electric wires - Part 2. Dimensional measurement
GB/T 4909.3-2009 Test methods for electric wires - Part 3. Tensile test
GB/T 4909.5-2009 Test methods for electric wires - Part 5. Bending test repeated bending
GB/T 4909.9-2009 Test methods for electric wires - Part 9. s.
SJ/T 11411-2010 copper clad steel wire
3 Classification and model
3.1 Classification
Silver-plated copper-clad steel wires are classified into four categories according to their relative conductivity and soft and hard state.
30A---soft silver-plated copper clad steel wire with a relative conductivity of 30% IACS;
30H---hard silver-plated copper clad steel wire with relative conductivity of 30% IACS;
40A---soft silver-plated copper clad steel wire with a relative conductivity of 40% IACS;
40H---hard silver-plated copper clad steel wire with a relative conductivity of 40% IACS.
Note: IACS refers to the resistivity of the international standard annealed pure copper wire, and the resistivity value is 5.8001 x 10^7 S/m.
3.2 Plating level
The silver-plated copper-clad steel wire is divided into 5 grades according to the silver content (weight ratio).
A---silver-plated copper clad steel wire with a silver content of 1.25%;
B---silver-plated copper clad steel wire with a silver content of 2.50%;
C---silver-plated copper clad steel wire with a silver content of 4.00%;
D---silver-plated copper-clad steel wire with a silver content of 6.10%;
E---Silver-plated copper-clad steel wire with a silver content of 8.00%.
3.3 Model
The model number of the silver-plated copper clad steel wire is of type code (SCCS), category code (see 3.1), nominal diameter (mm) and plating grade code (see […]
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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.
Referenced standards
Normative references
- GB/T 3048.2-2007Test methods for electrical properties of electric cables and wires -- Part 2: Test of electrical resistivity of metallic materials
- GB/T 4135-2016Silver ingots
- GB/T 4909.2-2009Test methods for bare wires - Part 2: Measurement of dimensions
- GB/T 4909.3-2009Test methods for bare wires - Part 3: Tensile test
- GB/T 4909.5-2009Test methods for bare wires - Part 5: Bend test - Reverse bend test
- GB/T 4909.9-2009Test methods for bare wires - Part 9: Test for continuity of coating - Sodium polysulfide solution method
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Related Standards
GB/T 3048.2-2007 — Test methods for electrical properties of electric cables and wires -- Part 2: Test of electrical resistivity of metallic materials
GB/T 4135-2016 — Silver ingots
GB/T 4909.2-2009 — Test methods for bare wires - Part 2: Measurement of dimensions
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GB/T 36634-2018
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