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GB/T 1196-2017 English PDF (GBT1196-2017)

GB/T 1196-2017 English PDF (GBT1196-2017)

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GB/T 1196-2017: Unalloyed aluminium ingots for remelting

This Standard specifies the requirements, test methods, inspection rules and marks, packaging, transport, storage, quality certificate and order (or contract) of unalloyed aluminium ingots for remelting.
GB/T 1196-2017
GB
NATIONAL STANDARD OF
THE PEOPLE REPUBLIC OF CHINA
ICS 77.120.10
H 61
Replacing GB/T 1196-2008
Unalloyed aluminium ingots for remelting
(ISO 115.2003, Unalloyed aluminium ingots for remelting ?€?
Classification and composition, NEQ)
ISSUED ON. JULY 12, 2017
IMPLEMENTED ON. JUNE 1, 2018
Issued by. General Administration of Quality Supervision, Inspection
and Quarantine;
Standardization Administration Committee.
3. No action is required - Full-copy of this standard will be automatically and immediately delivered to your EMAIL address in 0~60 minutes.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative references ... 5
3 Requirements ... 5
4 Test method ... 7
5 Inspection rules ... 7
6 Marks, packaging, transport, storage, quality certificate ... 9
7 Order (or contract) content ... 10
Foreword
This Standard was drafted in accordance with the rules given in GB/T
1.1-2009.
This Standard replaces GB/T 1196-2008 Unalloyed aluminium ingots for
remelting. Compared with GB/T 1196-2008, the main technical changes in
this Standard are as follows.
- added relative requirements for original aluminium liquid;
- deleted the designation of A199.90 and added the designation of
A199.80;
- made the Zn element in the impurity elements as a regular analytical
element;
- added ingot specifications of 25kg ?? 2kg.
This Standard uses redrafting method to modify and adopt ISO 115.2003
Unalloyed aluminium ingots for remelting - Classification and composition. It is equivalent to ISO 115.2003 in consistency.
This Standard was proposed by China Nonferrous Metals Industry
Association.
This Standard shall be under the jurisdiction of National Technical Committee on Nonferrous Metals of Standardization Administration of China (SAC/TC 243).
The drafting organizations of this Standard. China Aluminium Industry Co., Ltd. Guizhou Branch, Nonferrous Metals Technology and Economic Research Institute, National Electric Investment Ningxia Qingtongxia Energy Aluminium Group Co., Ltd., Yunnan Aluminium Industry Co., Ltd., Baotou Aluminium Co., Ltd., Henan Shenhuo Aluminium Industry Co., Ltd., Shandong Weiqiao
Aluminium and Electricity Co., Ltd., Xinfa Aluminium and Power Group, Jiugang Group Gansu Dongxing Aluminium Industry Co., Ltd., Shandong Nanshan
Aluminium Industry Co., Ltd., SICHUAN AOSTAR ALUMINIUM CO.,LTD.
Main drafters of this Standard. Liang Shouxi, Wen Donghui, Yang Menggang, Ma Cunzhen, Du Yazhen, He Yuyan, Zhang Hui, Chang Yujie, Zhang
Xiaoping, Dong Aiyun, Deng Wenqiang, Bian Youkang, Li Zhenzhong, Zhang
Yanguo, Li Yong.
Versions of standard substituted by this Standard are.
Unalloyed aluminium ingots for remelting
1 Scope
This Standard specifies the requirements, test methods, inspection rules and marks, packaging, transport, storage, quality certificate and order (or contract) of unalloyed aluminium ingots for remelting.
This Standard is applicable to unalloyed aluminium ingots for remelting generated by alumina-cryolite-salt electrolysis method (hereinafter referred to as unalloyed aluminium ingots).
The original aluminium liquid can refer to the provisions of this Standard and YS/T 1004.
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 7999, STANDARD method for direct reading spectrometric analysis
of aluminium and its alloys
GB/T 8170, Rules of rounding off for numerical values and expression and
judgement of limiting values
GB/T 20975 (all parts), Chemical analysis methods of aluminium and
aluminium alloys
GB/T 25820, Steel strips for packing
YS/T 1004, Molten aluminium and aluminium alloys
3 Requirements
3.1 Product classification
According to chemical composition, the product can be divided into 8
designations. Al99.85, Al99.80, Al99.70, Al99.60, Al99.50, Al99.00, Al99.7E, Al99.6E.
the purchaser shall put forward to the supplier within two months from the date of receipt of the product; and it shall be solved by the supplier and the purchaser through negotiation. When arbitration is required, the sampling for arbitration shall be carried out together at the purchaser?€?s. The inspection and acceptance of the original aluminium liquid shall be solved by the supplier and the purchaser through negotiation.
5.2 Batching
5.2.1 The unalloyed aluminium ingots shall be submitted for inspection in batches. Each batch shall consist of products of same batch number,
irrespective of batch weight.
5.2.2 The original aluminium liquid shall be submitted in batches for
acceptance, a single aluminium liquid package as a batch.
5.3 Inspection items
Each batch of products shall be subject to the inspection of chemical
composition. It shall carry out the inspection of appearance quality for unalloyed aluminium ingots. The weight of single piece of unalloyed
aluminium ingot shall be guaranteed by the supplier?€?s process.
5.4 Chemical composition arbitration sampling and sample
preparation of unalloyed aluminium ingots
5.4.1 Respectively take one piece of unalloyed aluminium ingot from the upper, middle and lower parts of any buddle of this batch of unalloyed
aluminium ingots. When the upper, middle and lower parts cannot be
distinguished, it shall extract at least 3 samples at random.
5.4.2 Use ethanol as lubricant. Using a drill bit with diameter of 15 mm ~ 20 mm to drill for sampling.
5.4.3 In the large surface of the aluminium ingot, drill 3 holes along its diagonal, one at the centre, the other two about 100 mm from angles. The depth of each hole shall not be less than 2/3 of the original depth. Before drilling for sample, the surface oxide must be removed first. It thickness is not less than 0.5 mm.
5.4.4 The drilled aluminium chips shall be evenly mixed. After treatment with magnet, it shall use sample quartering. The weight is not less than 100 g. 5.5 Arbitration sampling and sample preparation of chemical
composition of original aluminium liquid
The arbitration sampling and sample preparation of chemical composition of original aluminium liquid shall refer to the provisions of YS/T 1004.

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