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GB/T 40004-2021 (GB/T40004-2021)

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GB/T 40004-2021English170 Add to Cart 0-9 seconds. Auto-delivery. Copper-silver alloy rectangular wire Valid

GB/T 40004-2021: PDF in English (GBT 40004-2021)
GB/T 40004-20121
ICS 77.150.30
CCS H 62
GB/T 40004-2021
Copper-silver alloy rectangular wire
ISSUED ON: MAY 21, 2021
Issued by: State Administration for Market Regulation;
Standardization Administration of the People's Republic of
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions ... 5 
4 Classification and labeling ... 5 
5 Technical requirements ... 6 
5.1 Chemical composition ... 6 
6 Test methods ... 8 
7 Inspection rules ... 9 
8 Marks, packaging, transportation, storage and accompanying documents . 11 
9 Order form contents ... 12 
Copper-silver alloy rectangular wire
1 Scope
This Standard specifies the classification and labelling, technical requirements,
test methods, inspection rules, marks, packaging, transportation, storage and
accompanying documents and order forms of copper-silver alloy rectangular
This Standard is applicable to copper-silver alloy rectangular wire used in the
power and electrical industries (hereinafter referred to as the rectangular wire).
2 Normative references
The following referenced documents are indispensable for the application of
this document. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any
amendments) applies.
GB/T 231.1, Metallic materials - Brinell hardness test - Part 1: Test method
GB/T 232, Metallic materials - Bend test
GB/T 351, Metallic materials - Resistivity measurement method
GB/T 2828.1, Sampling procedures for inspection by attributea - Part 1:
Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot
GB/T 5121 (all parts), Methods for chemical analysis of copper and copper
GB/T 8170, Rules of rounding off for numerical values & expression and
judgement of limiting values
GB/T 8888, Wrought heavy non-ferrous metal products - Packing, marking,
transportation, storing and certificate of quality
GB/T 23606, Copper-hydrogen embrittlement test method
GB/T 26303.2, Measuring methods for dimensions and shapes of wrought
copper and copper alloy - Part 2: Rod, wire and profile
The electrical properties test of the rectangular wire is carried out in accordance
with the provisions of GB/T 351 or GB/T 32791. The arbitration test method is
carried out in accordance with the provisions of GB/T 351.
6.5 Hydrogen embrittlement test
The hydrogen embrittlement test of the rectangular wire is carried out according
to GB/T 23606.
6.6 Bending test
The bending test of the flat rectangular is carried out according to GB/T 232.
6.7 Surface quality
The surface quality of the rectangular wire shall be inspected visually.
7 Inspection rules
7.1 Inspection and acceptance
7.1.1 The rectangular wire is checked and inspected by the supplier or a third
party to ensure that the product quality meets the requirements of this Standard
and the purchase order.
7.1.2 The purchaser can inspect and accept the received rectangular wire in
accordance with the provisions of this Standard. If the inspection result is not in
conformity with the provisions of this Standard and the purchase order, it shall
be submitted to the supplier in written form, and the supplier and the purchaser
shall negotiate and resolve it. Objections that belong to size deviation and
appearance quality shall be raised within one month from the date of receipt of
the product. Objections related to other properties shall be raised within three
months from the date of receipt of the product. If arbitration is required, it shall
be determined by both the supplier and the purchaser on the purchaser’s joint
sampling or negotiation.
7.2 Batching
The rectangular wire shall be submitted in batches for acceptance. Each batch
shall be composed of the same designation, state and specification. The weight
of each batch shall not exceed 2000kg.
7.3 Inspection items
The inspection items of rectangular wire are divided into exit-factory inspection
items and type inspection items, see Table 8. Type inspection shall be carried
out in any of the following situations:
accompanying documents
8.1 Marks, packaging, transportation, storage
The marks, packaging, transportation, storage of the rectangular wire shall
comply with the provisions of GB/T 8888.
8.2 Accompanying documents
Each batch of products shall be accompanied by accompanying documents,
which shall include supplier information, product information, reference of this
Standard, date of manufacture or packaging date and shall also include:
a) Product quality guarantee:
● Main performance and technical parameters of the product;
● Product characteristics (including the characteristics of manufacturing
processes and raw materials);
● Responsibility for product quality;
● Quality certification of the product and the analysis and inspection
results of the supplier's technical supervision department;
b) Product certification:
● Inspection items and their results or inspection conclusions;
● Batch or batch number;
● Inspection date;
● Inspector's signature or seal;
c) Inspection reports and finished product inspection reports during product
quality control;
d) Product instructions on use: correct handling, use, storage methods;
e) Others.
9 Order form contents
The purchaser can list the following contents in the order form for the
rectangular wire listed in this Standard according to its own needs:
(Above excerpt was released on 2021-07-30, modified on 2021-07-30, translated/reviewed by: Wayne Zheng et al.)
Source: https://www.chinesestandard.net/PDF.aspx/GBT40004-2021