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GB/T 26311-2024: Rod, bar and wire of recycling copper and copper alloy
Status: Valid GB/T 26311: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 26311-2024 | English | 449 |
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Rod, bar and wire of recycling copper and copper alloy
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GB/T 26311-2024
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| GB/T 26311-2010 | English | 229 |
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Rods and bars of recycling copper and copper alloys
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Basic data | Standard ID | GB/T 26311-2024 (GB/T26311-2024) | | Description (Translated English) | Rod, bar and wire of recycling copper and copper alloy | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H62 | | Classification of International Standard | 77.150.30 | | Word Count Estimation | 22,219 | | Date of Issue | 2024-09-29 | | Date of Implementation | 2025-04-01 | | Older Standard (superseded by this standard) | GB/T 26311-2010 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 26311-2024: Rod, bar and wire of recycling copper and copper alloy---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 77.150.30
CCSH62
National Standard of the People's Republic of China
Replace GB/T 26311-2010
Recycled copper and copper alloy rods and wires
Released on 2024-09-29
2025-04-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB/T 26311-2010 "Secondary copper and copper alloy bars". Compared with GB/T 26311-2010, except for structural adjustments and
In addition to editorial changes, the main technical changes are as follows.
a) The scope of the standard has been changed (see Chapter 1, Chapter 1 of the.2010 edition);
b) The definition of “secondary copper and copper alloy products” has been deleted (see 3.1 of the.2010 edition);
c) Added recycled materials, pre-consumer materials, post-consumer materials, recycled copper raw materials, recycled copper alloy raw materials, recycled cathode copper, recycled
Terms and definitions of zinc ingots, recycled lead ingots, etc. (see Chapter 3);
d) Deleted the “R” in front of the brand name (see Table 1 of the.2010 edition);
e) Changed the status indication method from "M, R, Y2, Y, Z" to "O60, M30, H02, H04, M07"; changed the specification range
The range is changed from "7~80" to "1.5~80.0" (see Table 1, Table 1 of the.2010 edition);
f) Product categories have been expanded to include high copper, ordinary brass, and bronze; TU1, TZr0.2, H70, H68, H65, H62, H59,
22 grades and corresponding states and specifications such as HPb62-3, HPb61-3, HPb58-2.8; added H50 and HR02 states; added
The wire specifications (see Table 1);
g) The order of marking has been changed (see 4.2, 4.1.2 of the.2010 edition);
h) Added marking of recycled material ratio (see 4.2);
i) Added “Requirements and calculation methods for the proportion of recycled materials” (see Chapter 5 and Appendix A);
j) Changed the chemical composition requirements from "sum of other impurities" to "sum of elements listed in Cu" (see Table 4,.2010 edition)
Table 3);
k) The overall dimensions and their allowable deviations have been changed (see 6.2, 4.3 of the.2010 edition);
l) The mechanical property requirements for bars and wires have been changed (see Table 5, Table 7 of the.2010 edition);
m) Added Vickers hardness requirements and test methods (see Table 5 and 7.3.2);
n) Changed the internal quality inspection requirements (see 6.6.2, 4.7 of the.2010 edition);
o) Added internal quality ultrasonic flaw detection quality requirements and test methods (see 6.6.3 and 7.6.2);
p) The test method for chemical composition has been changed (see 7.1, 5.1 of the.2010 edition);
q) The tensile test method for bars and wires and the selection of specimen types have been changed (see 7.3.1, 5.3 of the.2010 edition).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by China Nonferrous Metals Industry Association.
This document is under the jurisdiction of the National Technical Committee on Standardization of Nonferrous Metals (SAC/TC243).
This document was drafted by. Ningbo Jintian Copper (Group) Co., Ltd., Ningbo Changzhen Copper Co., Ltd., Zhejiang Hailiang Co., Ltd.
Company, Jiangxi Libo Keming Copper Co., Ltd., Jinchuan Group Co., Ltd., Nonferrous Metals Technology and Economic Research Institute Co., Ltd., Jin
Sichuan Group Precision Copper Materials Co., Ltd.
The main drafters of this document are. Chao Guohui, Xiang Yanlong, Song Changhong, Wei Lianyun, Qiu Guiqun, Han Zhiwei, Guo Shumei, Chen Guoquan, Nan Hongqiang,
Wang Yanfeng, Shi Lixia, Wang Dong, Jiang Shaojun, Huang Peigen, Zhang Libo, Wang Wenlong, Gao Jie, Ye Donghuang, Li Wenbing, and Yang Junhui.
This document was first published in.2010 and this is the first revision.
Recycled copper and copper alloy rods and wires
1 Scope
This document specifies the classification and marking of recycled copper and copper alloy rods and wires, requirements for the proportion of recycled materials and the calculation method, technical requirements,
Test methods, inspection rules, marking, packaging, transportation, storage and accompanying documents and order contents.
This document applies to recycled copper and copper alloy bars and wires with round, square, rectangular and regular hexagonal cross sections (hereinafter referred to as bars and wires)
manufacturing and inspection.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 2828.1 Sampling procedures for inspection by attributes Part 1.Sampling plans for batch inspection based on the acceptance quality limit (AQL)
GB/T 3310-2023 Ultrasonic testing method for copper and copper alloy bars
GB/T 4340.1 Vickers hardness test for metallic materials Part 1.Test method
GB/T 4423 Copper and copper alloy drawn bars
GB/T 5121 (all parts) Chemical analysis methods for copper and copper alloys
GB/T 5231 Grades and chemical compositions of processed copper and copper alloys
GB/T 8170 Rules for rounding off values and expression and determination of limit values
GB/T 8888 Packaging, marking, transportation, storage and quality certification of heavy non-ferrous metal processing products
GB/T 10119 Determination of dezincification corrosion resistance of brass
GB/T 10567.2 Test method for residual stress in copper and copper alloy processed materials - Ammonia fumigation test method
GB/T 13587 Copper and copper alloy waste
GB/T 21181 Secondary lead and lead alloy ingots
GB/T 21651-2018 Recycled zinc and zinc alloy ingots
GB/T 21652 Copper and copper alloy wire
GB/T 26303.2 Test methods for dimensions of copper and copper alloy processed materials Part 2.Rods, wires and profiles
GB/T 34505 Room temperature tensile test method for copper and copper alloy materials
GB/T 38470-2023 Recycled copper alloy raw materials
GB/T 38471-2023 Recycled copper raw materials
YS/T 336 Fractographic inspection method for copper, nickel and their alloy tubes and bars
YS/T 482 Analysis of copper and copper alloys Spark discharge atomic emission spectrometry
YS/T 483 Analysis method of copper and copper alloys-X-ray fluorescence spectrometry (wavelength dispersive type)
YS/T 649 Copper and copper alloy extruded rods
YS/T 668 Sampling methods for physical and chemical testing of copper and copper alloys
YS/T 759 Copper and copper alloy cast bars
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