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GB/T 34640.2-2017 (GB/T34640.2-2017)

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GB/T 34640.2-2017: PDF in English (GBT 34640.2-2017)

GB/T 34640.2-2017
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 2. Recycling 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 Recycling requirements for enterprise external scraps ... 4 
4 Recycling requirements for enterprise internal scraps ... 6 
Classification and recycling and utilization of wrought
aluminium and aluminium alloy scraps -
Part 2. Recycling of scraps
1 Scope
This Part of GB/T 34640 specifies the recycling requirements for external and
internal scraps of wrought aluminium and aluminium alloy enterprises.
This Part applies to the recycling of scraps from aluminium processing
enterprises.
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 13586 Aluminum and aluminum alloys scraps
GB/T 34640.1 Classification and recycling and utilization of wrought
aluminium and aluminium alloy scraps - Part 1. Classification of scraps
3 Recycling requirements for enterprise external
scraps
3.1 The enterprise shall recycle the external scraps shown in Table 1. The
scraps shall meet the requirements of GB/T 13586 and be classified-stored in
a single designation.
3.2 The enterprise shall recycle the customer’s scraps. The scraps shall be
carried out in accordance with the corresponding provisions in the classification
of scraps of GB/T 34640.1. If the purchaser has special requirements, it shall
be determined through negotiation between the supplier and the purchaser and
shall be indicated in the order form (or contract).
frames for recycling. In the process of recycling aluminium scraps, no steel
strips, steel belt buckles, radioactive waste, domestic garbage, and other
sundries shall be mixed.
4.3 Grade 1 and Grade 2 scraps shall be placed in frames or racks, etc. and be
recycled and stored separately according to the alloy. The alloy designation and
scrap grade shall be indicated.
4.4 If Grade 1 and Grade 2 scraps are bulk scraps such as rolls or forgings and
cannot be placed in frames or racks, the alloy designation shall be identified on
the rolls or bulk scraps. According to the alloy designation, the scraps shall be
recycled and stored separately.
4.5 Grade 3 scraps shall, according to the specific conditions of enterprise, be
recycled and stored separately according to the alloy; or be recycled and stored
in groups. Grade 3 scraps, when recycled according to the alloy, shall be
marked with the alloy designation and scrap grade. Grade 3 scraps, when
recycled according to the group, shall be marked with the group.
4.6 Grade 3 scraps shall be packed and briquetted; and the alloy designation
and scrap grade shall be marked. If the conditions are not met, they shall be
placed in boxes or racks for recycling; and the group shall be marked.
4.7 Aluminium scraps with unclear alloy designations shall, according to the
provisions on the mixture in GB/T 34640.1, be stored separately and clearly
marked. According to the size of the scraps, they shall be recycled in racks,
boxes, or frames.
4.8 The composite material of aluminium and other metals shall be
decomposed and recycled as an alloy.
4.9 Organic coated scraps shall be recycled after removal of the coating.
4.10 After all scraps are recycled, they shall be marked. The area shall be
divided for fixed-point storage. During safekeeping and storage of scraps,
moisture, corrosion, and oil stains, etc. shall be avoided.
4.11 The scrap supplier shall issue a scrap acceptance form. The contents of
the acceptance form shall include the scrap alloy designation, grade, and
weight.
4.12 The use organization shall, according to the provisions of GB/T 34640.1,
inspect the scraps received. If the inspection result does not meet the
corresponding requirements, it shall be promptly submitted to the scrap supplier,
and be resolved through negotiation between the supplier and the purchaser.
......
 
(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/GBT34640.2-2017