YS/T 1159-2016 (YS/T1159-2016, YST 1159-2016, YST1159-2016) & related versions
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Magnesium-lithium alloy sheets
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YS/T 1159-2016
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YST 1159-2016
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YS/T 1159-2016
YS
NONFERROUS METAL INDUSTRY STANDARD
ICS 77.120.20
H 61
Magnesium-lithium alloy sheets
ISSUED ON. JULY 11, 2016
IMPLEMENTED ON. JANUARY 01, 2017
Issued by. Ministry of Industry and Information Technology of the People's
Republic of China.
Table of Contents
Foreword... 3
1 Scope... 4
2 Normative references... 4
3 Requirements... 4
4 Test methods... 6
5 Inspection rules... 7
6 Weight... 8
7 Marks, packaging, shipping, storage and quality certificates... 8
8 Order sheet (or contract) content... 10
Magnesium-lithium alloy sheets
1 Scope
This Standard specifies the requirements, test methods, inspection rules and marks,
packaging, transportation, storage and quality certificate and order (or contract) content
of magnesium-lithium alloy sheets.
This Standard applies to magnesium-lithium alloy sheets (hereinafter referred to as
sheets).
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 228.1, Metallic materials -- Tensile testing -- Part 1.Method of test at room
temperature
GB/T 4340.1, Metallic materials -- Vickers hardness test -- Part 1.Test method
GB/T 8170, Rules of rounding off for numerical values and expression and
judgement of limiting values
GB/T 13748 (all parts), Chemical analysis methods of magnesium and magnesium
alloys
GB/T 17432, Methods of sampling for analyzing the chemical composition of
wrought aluminum and aluminum alloys
GB/T 33141, Magnesium lithium alloys ingots
3 Requirements
3.1 Product classification
3.1.1 Designation, condition and dimensional specifications
The designation, condition and dimensional specifications of the product shall comply
with the requirements in Table 1.If the purchaser requires other designations and sizes,
it shall be specified in the order sheet (or contract) after negotiation between the supplier
4.2.4 Dimensional measurements do not allow for rounding.
4.3 Mechanical properties
4.3.1 The tensile test at room temperature is carried out in accordance with the
provisions of GB/T 228.1.
4.3.2 The hardness test is carried out in accordance with the provisions of GB/T 4340.1.
4.4 Appearance quality
Visually inspect appearance quality. Dimensional measuring tools can be borrowed if
necessary.
5 Inspection rules
5.1 Inspection and acceptance
5.1.1 Products shall be inspected by the supplier's technical (quality) supervision
department to ensure that product quality complies with the provisions of this Standard
and the order sheet (or contract). A quality certificate shall be filled out by the supplier's
technical (quality) supervision department.
5.1.2 The purchaser shall inspect the received products in accordance with the
provisions of this Standard. If the inspection results are inconsistent with the provisions
of this Standard or the order sheet (or contract), it shall be submitted to the supplier in
writing, and the matter shall be resolved through negotiation between the supplier and
the purchaser. Objections related to appearance quality and size deviations shall be
raised within ten days from the date of receipt of the product. Objections related to other
requirements shall be raised within two months from the date of receipt of the product.
If arbitration is required, the supplier and the purchaser shall jointly conduct arbitration
sampling on the purchaser's.
5.2 Batching
Products shall be submitted for inspection in batches. Each batch shall consist of
products of the same designation, condition and size. There is no limit on the batch
weight, or it can be determined by negotiation between the supplier and the purchaser.
5.3 Inspection items
Each batch of products shall be inspected for chemical composition, dimensional
deviation, mechanical properties, appearance quality and items required for batch
inspection in the order sheet (or contract) before leaving the factory.
5.4 Sampling
5.4.1 Specimens for chemical composition analysis
It shall be carried out in accordance with the provisions of GB/T 17432.
5.4.2 Specimens for dimensional deviation inspection
Inspect piece by piece.
5.4.3 Specimens for mechanical property inspection
5.4.3.1 For specimens used for strength and elongation tests, one specimen shall be
taken from each batch and shall comply with the provisions of GB/T 228.1.
5.4.3.2 For specimens used for hardness test, one specimen shall be taken from each
batch and shall comply with the requirements of GB/T 4340.1.
5.4.4 Sampling for appearance quality inspection
The appearance quality shall be inspected piece by piece.
5.5 Judgment of inspection results
5.5.1 If the chemical composition fails, the batch of products will be deemed
unqualified.
5.5.2 If the dimensional deviation fails, the piece will be deemed unqualified.
5.5.3 When the tensile property at room temperature test result fails, double the number
of specimens from the batch of products shall be taken to repeat the test. If all repeated
test results are qualified, the entire batch of products will be deemed qualified. If there
are still unqualified products, the batch of products will be deemed to be unqualified.
5.5.4 If the hardness test result is unqualified, it will be handled through negotiation
between the supplier and the purchaser.
5.5.5 When the appearance quality is unqualified, the sheet will be deemed unqualified.
The rest of the sheets will be inspected piece by piece, and those that pass will be
delivered.
6 Weight
Sheets are weighed using a check-weight system.
7 Marks, packaging, shipping, storage and quality certificates
7.1 Marks
The surface of the product shall be clearly marked with the manufacturer's logo, product
name, designation, condition, dimensions, batch number (sheet number), net weight,
reference to this Standard and the inspection seal of the supplier's inspection and
supervision department.
7.2 Packaging, shipping, storage
7.2.1 Each sheet shall be wrapped in plastic film or moisture-proof paper. The sheets
must not be left exposed. It can then be packed in wooden crates made of wood,
fibreboard or plywood. The packaging box shall be dry. There are two layers of oil-
impregnated paper placed above and below the stack of sheets in the box.
7.2.2 Products shall be shipped clean, dry, and free of contaminants. During
transportation, rain and snow shall be protected to ensure that the packaging box is not
corroded. It shall not be transported in the same vehicle with chemically active
substances, wet materials and flammable materials. Appropriate loading and unloading
methods shall be adopted to prevent damage to the packaging box during transportation.
7.2.3 After receiving the product, the purchaser shall promptly store the product in a
clean, dry, non-corrosive atmosphere, free of rain and snow intrusion, chemically active
substances, moist materials and flammable items. Products shall be inspected for
corrosion within 10 days and acceptance shall be organized. Sheets stored for a long
time shall be treated with anti-corrosion regularly.
7.3 Quality certificate
Each batch of products shall be accompanied by a quality certificate indicating the
following.
a) Supplier's name and address;
b) Product name and designation;
c) Registered trademark;
d) Condition, batch number;
e) Net weight and number of pieces;
f) Analysis inspection results and supplier technical (quality) supervision department
inspection and sealing;
g) Reference to this Standard (YS/T 1159-2016);
h) Packaging date and exit-factory date.
......
| Standard ID | YS/T 1159-2016 (YS/T1159-2016) | | Description (Translated English) | Magnesium-lithium alloy sheets | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H61 | | Classification of International Standard | 77.120.20 | | Word Count Estimation | 7,771 | | Date of Issue | 2016-07-11 | | Date of Implementation | 2017-01-01 | | Drafting Organization | Jiangsu Hongfa New Material Technology Co., Ltd., Harbin Engineering University, Shanghai Jiaotong University, Xi'an Sifang Light Material Co., Ltd., Chongqing University | | Administrative Organization | National Nonferrous Metals Standardization Technical Committee (SAC/TC 243) | | Regulation (derived from) | Notice of the Ministry of Industry and Information Technology (2016 No. 37) | | Proposing organization | National Nonferrous Metals Standardization Technical Committee (SAC/TC 243) | | Issuing agency(ies) | Ministry of Industry and Information Technology of the People's Republic of China | | Summary | This standard specifies the requirements, test methods, inspection rules and signs, packaging, transportation, storage and quality certificates and order forms (or contracts) of magnesium-lithium alloy sheets. |
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