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GB/T 32184-2015 English PDF (GBT32184-2015)

GB/T 32184-2015 English PDF (GBT32184-2015)

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GB/T 32184-2015: Extruded aluminum alloy flat bars and plates with high conductivity

This Standard specifies the requirements, test methods, inspection rules, symbols, packaging, transportation, storage, and contents of the quality certificate and order form (or contract) of the extruded aluminum alloy flat bars and plates with high conductivity.
GB/T 32184-2015
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 77.150.10
H 61
Extruded aluminum alloy flat bars and
plates with high conductivity
ISSUED ON. DECEMBER 10, 2015
IMPLEMENTED ON. JULY 1, 2016
Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the PEOPLE Republic of China;
Standardization Administration of the PEOPLE Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Requirements ... 5
4 Test methods ... 9
5 Inspection rules ... 10
6 Symbols, packaging, transportation, storage and quality certificate ... 12 7 Contents of the order form (or contract) ... 14
Foreword
This Standard is drafted according to the rules given in GB/T 1.1-2009. This Standard was proposed by China Non-ferrous Metals Industry Association. This Standard shall be under the jurisdiction of the National Technical Committee for Standardization of Non-ferrous Metals (SAC/TC 243).
Responsible drafting organizations of this Standard. Dongguan Token
Aluminum Products Co., Ltd, Guangzhou Research Institute of Non-ferrous Metals, Fujian Xiangxin Aluminum Group Co., Ltd, Guangdong Haomei
Aluminium Co., Ltd, Guangdong Xingfa Aluminium Co., Ltd, Guangdong JMA
Aluminium Profile Factory (Group) Co., Ltd, Fujian Nanping Aluminium Co., Ltd, Shandong Yancon Light Alloy Co., Ltd, Chinalco Northwestern Aluminum
Fabrication Plant, Southwest Aluminium (Group) Co., Ltd, and Northeast Light Alloy Co., Ltd.
Main drafters of this Standard. He Xukun, You Yuping, Xu Fen, Xiang
Shengqian, Luo Shun, Zhang Jianlei, Xia Xiuqun, Dai Yuexing, Chen Jingchun, Nie Bo, Zhou Xia, Cai Canming, Du Heng?€?an and Gao Xinyu.
Extruded aluminum alloy flat bars and plates
with high conductivity
1 Scope
This Standard specifies the requirements, test methods, inspection rules, symbols, packaging, transportation, storage, and contents of the quality certificate and order form (or contract) of the extruded aluminum alloy flat bars and plates with high conductivity.
This Standard is applicable to the extruded aluminum alloy flat bars and plates used in transmission, substation, distribution and other sectors (hereinafter referred to as ?€?flat bars and plates?€?).
2 Normative references
The following documents are essential to the application of this document. For dated references, only the editions with the dates indicated are applicable to this document. For undated references, only the latest editions (including all the amendments) are applicable to this document.
GB/T 232 Metallic materials - Bend test
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 3190 Wrought aluminium and aluminium alloy - Chemical composition
GB/T 3199 Wrought aluminium and aluminium alloy products - Packing,
marking, transporting and storing
GB/T 3246.1 Inspection method for structure of wrought aluminum and
aluminum alloy products - Part 1. Inspection method for microstructure
GB/T 4909.3 Test methods for bare wires - Part 3. Tensile test
GB/T 7999 Optical emission spectrometric analysis method of aluminum and aluminum alloys
GB/T 8170 Rules of rounding off for numerical values and expression and
judgement of limiting values
3.6 Bending property
For the extruded aluminum alloy flat bars and plates with the grade of 6101, BEND the wide surfaces at an angle of 90?? with the nominal thickness as bending radius. There shall be no cracks on the wide surfaces. Other
requirements shall be agreed upon by the supplier and demander, and shall be indicated in the order forms (or contracts) as well.
3.7 Microstructure
There shall be no over-burnt microstructures on the flat bars and plates. 3.8 Appearance quality
The surfaces of the flat bars and plates shall be flat and smooth. There shall be no cracks, bubbles and corrosion spots. There shall be no fins, burrs or rips on the rounded corners.
4 Test methods
4.1 Chemical composition
4.1.1 The analytical method of chemical compositions shall conform to the provisions of GB/T 20975 or GB/T 7999. USE the method specified in GB/T 20975 for referee analysis. During the calculation of ?€?Al?€? content, TAKE the sum of the numerical values for analysis of the conventional analytic elements and the unconventional analytic elements suspected to be excessive as the ?€?sum of element contents?€?.
4.1.2 USE the comparison method of rounding values to determine the
numerical values for analysis. The rules of rounding off for numerical values shall conform to the relevant provisions of GB/T 8170. The round-off digits shall be the same with the limit digits specified in GB/T 3190.
4.2 Dimensional tolerances
The dimensional rounding off and measurement shall conform to the provisions of YS/T 439-2012.
4.3 Tensile mechanical properties at room temperature
The method for testing the tensile mechanical properties at room temperature shall conform to the provisions of GB/T 4909.3.
4.4 Resistivity
> 280 ~ 500 13
> 500 ~ 1,200 20
5.6 Determination of the inspection results
5.6.1 When the chemical compositions of any test piece are unqualified, for the product whose melting sequence can be distinguished, DETERMINE the
melting sequence represented by this test piece as non-conforming. INSPECT other melting sequences in succession. DELIVER the conforming products
afterwards. If the products whose melting sequences cannot be distinguished, DETERMINE this batch of products as non-conforming.
5.6.2 When the dimensional tolerance of any test piece is unqualified,
DETERMINE this batch of products as non-conforming. However, it is allowed to inspect one by one. DELIVER the conforming products afterwards.
5.6.3 When the tensile mechanical properties at room temperature of any test piece is unqualified, DOUBLE the number of test pieces taken from this batch of products for retesting. If all the retesting results are qualified, DETERMINE this batch of products as conforming. If some properties of the test pieces in the retesting results are still unqualified, DETERMINE this batch of products as non-conforming.
5.6.4 When the bending property of any test piece is unqualified,
DETERMINE this batch of products as non-conforming.
5.6.5 When the resistivity of any test piece is unqualified, DETERMINE this batch of products as non-conforming.
5.6.6 When the microstructure of any test piece is unqualified, DETERMINE this batch of products as non-conforming.
5.6.7 When the appearance quality of any test piece is unqualified,
DETERMINE this product as non-conforming. However, it is allowed to conduct re-inspection after removing the non-conforming section. DELIVER the
conforming products afterwards.
6 Symbols, packaging, transportation, storage and
quality certificate
6.1 Symbols
6.1.1 Product symbols

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