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GB/T 34640.1-2017 (GB/T34640.1-2017)

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GB/T 34640.1-2017: PDF in English (GBT 34640.1-2017)

GB/T 34640.1-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77.120.10
H 69
Classification and recycling and utilization of wrought
aluminium and aluminium alloy scraps -
Part 1. Classification of scraps
ISSUED ON. SEPTEMBER 29, 2017
IMPLEMENTED ON. APRIL 01, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the PRC;
Standardization Administration of the PRC.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Classification ... 4 
Foreword
GB/T 34640 “Classification and recycling and utilization of wrought aluminium
and aluminium alloy scraps” is divided into 3 parts.
- Part 1. Classification of scraps;
- Part 2. Recycling of scraps;
- Part 3. Utilization of scraps.
This Part is Part 1 of GB/T 34640.
This Part is drafted in accordance with the rules given in GB/T 1.1-2009.
This Part was proposed by China Nonferrous Metals Industry Association.
This Part shall be under the jurisdiction of National Technical Committee 243
on Nonferrous Metals of Standardization Administration of China (SAC/TC 243).
Drafting organizations of this Part. Shandong Nanshan Aluminium Co., Ltd.,
China Nonferrous Metals Techno-Economic Research Institute, Guangdong
JMA Aluminum Profile Factory (Group) Co., Ltd., Shandong Yankuang Light
Alloy Co., Ltd., NorthEast Light Alloy Co., Ltd., Xiamen Xiashun Aluminum Foil
Co., Ltd., Southwest Aluminum (Group) Co., Ltd., CHIANCO Ruimin Co., Ltd..
Main drafters of this Part. Cheng Rence, Wu Xinfeng, Ge Lixin, Dai Yuexing,
Huang Tongjian, Li Haixian, Wu Maolai, Liu Chuan, Wang Xiguang, Wang Qiwei,
Liu Wang, He Wei, Du Hengan, Zhang Xiuju, Yu Fang, Teng Zhigui.
Classification and recycling and utilization of wrought
aluminium and aluminium alloy scraps -
Part 1. Classification of scraps
1 Scope
This Part of GB/T 34640 specifies the grading and grouping requirements in the
classification of scraps for wrought aluminium and aluminium alloy enterprises.
This Part applies to the classification of scraps of wrought aluminium and
aluminium alloy enterprises (hereinafter known as scraps for short).
2 Normative references
The following documents are indispensable for the application of this document.
For the dated references, only the editions with the dates indicated are
applicable to this document. For the undated references, the latest edition
(including all the amendments) are applicable to this document.
GB/T 3190 Wrought aluminium and aluminium alloy - Chemical composition
3 Classification
3.1 Grading
3.1.1 According to the scraps’ chemical composition, surface cleanliness, and
burning loss during recycling and utilization, the scrap grade is divided. The
grade division of specific scraps is as specified in Table 1. The scrap grade
determination shall meet the scrap requirements at this grade.
......
 
(Above excerpt was released on 2019-01-13, modified on 2021-06-07, translated/reviewed by: Wayne Zheng et al.)
Source: https://www.chinesestandard.net/PDF.aspx/GBT34640.1-2017