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GB/T 3198-2010 English PDF (GBT3198-2010)

GB/T 3198-2010 English PDF (GBT3198-2010)

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GB/T 3198-2010: Aluminium and aluminium alloys foils

This standard specifies the requirements, test methods, inspection rules and markings, packaging, transportation, storage and quality certificates and contracts (or orders) for aluminum and aluminum alloy foils. This standard applies to general industrial aluminum and aluminum alloy foil.
GB/T 3198-2010
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 77.150.10
H 61
Replacing GB/T 3198-2003
Aluminum and aluminum alloys foils
ISSUED ON. JANUARY 14, 2011
IMPLEMENTED ON. NOVEMBER 01, 2011
Issued by. General Administration of Quality Supervision, Inspection and Quarantine;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative references ... 5
3 Requirements ... 6
4 Test methods ... 16
5 Inspection rules ... 18
6 Markings, packaging, transportation, storage and quality certificates ... 21 7 Contract (or purchase order) content ... 22
Appendix A (Informative) DC resistance of grades 1145 and 1235 ... 23
Appendix B (Informative) Common aluminum and aluminum alloy density ... 24 Foreword
This standard replaces GB/T 3198-2003 ?€?Aluminum and aluminum alloys foil?€?. As compared with GB/T 3198-2003, the main differences are as follows.
- In this standard, EXTEND the thickness of aluminum foil to 0.0045 mm ~ 0.2000 mm, ADD the product of a thickness of 0.0045 mm ~ < 0.0060 mm;
- In this standard, TIGHTEN the requirements for thickness deviation,
pinholes, joints, towers, split layers, and appearance quality. DIVIDE the accuracy of some indicators into ordinary grade, high-precision grade, and ultra-high-precision grade;
- In this standard, ADD the size and accuracy requirements of the tube core; - In this standard, ADD and ADJUST the requirements for the mechanical
properties of some brands and specifications;
- In this standard, ADD the detection method for average thickness;
- In this standard, ADD the requirements for the detection of toxic and hazardous elements.
This standard was drafted using the redrafting method with reference to EN 546.1997 ?€?Aluminum and aluminum alloy foil?€?. Its consistency with EN546.1997 is not equivalent.
This standard was proposed by the China Nonferrous Metals Industry
Association.
This standard shall be under the jurisdiction of the National Non-ferrous Metals Standardization Technical Committee (SAC/TC 243).
Main drafting organizations of this standard. North China Aluminum Co., Ltd., China Aluminum Corporation Northwest Aluminum Processing Branch, Xiamen Xiashun Aluminum Foil Co., Ltd.
Participating drafting organizations of this standard. Yunnan Xinmei Aluminum Foil Co., Ltd., Northeast Light Alloy Co., Ltd., China Aluminum Ruimin Aluminum Strip Co., Ltd., Kunshan Aluminum Co., Ltd., Zhengzhou Aluminum Co., Ltd., Nanshan Aluminum (Group) Co., Ltd., Southern Aluminum (China) Co., Ltd. The main drafters of this standard. Cao Jianfeng, Guo Yiqing, Si Yanping, Bu Changhai, Guan Shitong, Duan Ruifen, Zhang Lihua, Zhang Shenyang, Gao
Yu, Guo Rui, Zhu Zhibin, Tong Ying, Hou Bo, Zhou Peigen, Han Qianyong.
Aluminum and aluminum alloys foils
1 Scope
This standard specifies the requirements, test methods, inspection rules and markings, packaging, transportation, storage and quality certificates and contracts (or orders) for aluminum and aluminum alloy foils.
This standard applies to general industrial aluminum and aluminum alloy foil (hereinafter referred to as aluminum foil).
2 Normative references
The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this standard.
GB/T 228 Metallic materials - Tensile testing at ambient temperature
GB/T 454 Paper - Determination of bursting strength
GB/T 3190 Wrought aluminum and aluminum alloy - Chemical composition
GB/T 3199 Aluminum and Aluminum Alloy Processed Product Packaging,
Marking, Transportation, Storage
GB/T 7999 Optical emission spectrometric analysis method of aluminum and aluminum alloys
GB/T 16865 Test pieces and method for tensile test for wrought aluminum and magnesium alloys products
GB/T 17432 Methods for sampling for analyzing the chemical composition
of wrought aluminum and aluminum alloys
GB/T 20975 (all parts) Methods for chemical analysis of aluminum and
aluminum alloys
GB/T 22638.1 Test methods for aluminum and aluminum alloy foils - Part 1. Determination of thickness by gravimetric method
GB/T 22638.2 Test methods for aluminum and aluminum alloy foils - Part 2. Determination of porosity
GB/T 22638.3 Test methods for aluminum and aluminum alloy foils - Part 3. Determination of stickiness
GB/T 22638.4 Test methods for aluminum and aluminum alloy foils - Part 4. Determination of surface wetting tension
GB/T 22638.5 Test methods for aluminum and aluminum alloy foils - Part 5. Determination of wettability by brushing
GB/T 22638.6 Test methods for aluminum and aluminum alloy foils - Part 6. Determination of direct current resistance
GB/T 22638.7 Test methods for aluminum and aluminum alloy foils - Part 7. Determination of heat seal strength
3 Requirements
3.1 Product classification
3.1.1 Grade, status, specifications
Aluminum foil grades, status, specifications are as shown in Table 1. When the purchaser needs other grades, status, and specifications, it is determined by both the supplier and the purchaser through negotiation, and specified in the contract (or purchase order).
method specified in GB/T 22638.4.
4.8 Brush water test results
Aluminum foil brush water test is in accordance with the method specified in GB/T 22638.5.
4.9 DC resistance
The DC resistance of aluminum foil is tested in accordance with the method specified in GB/T 22638.6. The direct current resistance of aluminum foil can be tested by the supplier using a blank (the specimen surface shall be clean, without oil mark) with a specified thickness (usually 0.25 mm ~ 0.36 mm) as the test result of the aluminum foil.
4.10 Joint
Calculate the number of joints per coil of foil in accordance with the joint marking; calculate the joint pitch based on the thickness of the interlaminar wall at the end of the aluminum foil coil (measured with a gauge with corresponding accuracy).
4.11 Tube core
The tube core size deviation is measured with a gauge that can ensure
corresponding accuracy, the tube core material is guaranteed by the supplier, other items are visually inspected.
4.12 Appearance quality
The appearance quality of the aluminum foil is visually checked.
5 Inspection rules
5.1 Inspection and acceptance
5.1.1 Aluminum foil shall be inspected by the technical supervision department of the supplier, to ensure that the product quality meets the requirements of this standard and the contract (or purchase order), the quality certificate shall be completed.
5.1.2 The purchaser shall re-inspect to the received product in accordance with the provisions of this standard. When the results of the reinspection are inconsistent with the provisions of this standard and the contract (or purchase order), they shall be submitted to the supplier in writing and shall be resolved through consultation between the supplier and the purchaser. Any objections that fall within the surface quality and dimensional deviations shall be indicated Brush water test
results Not less than 1 coil from each batch 3.9 4.8
DC resistance Not less than 1 coil from each batch 3.10 4.9
Joint Inspected by coils 3.11 4.10
Tube core Not less than 2 pieces per batch 3.12 4.11
Appearance
quality Inspected by coils 3.13 4.12
5.5 Determination of test results
5.5.1 When the chemical composition is unqualified, for the product whose melting number can be distinguished, this melting number is unqualified, whilst the other melting number is inspected in order, the qualified products are delivered. If the melting number cannot be distinguished, the corresponding products are unqualified.
5.5.2 When the dimensional deviation, appearance quality and joints are unqualified, the aluminum foil is determined to be unqualified.
5.5.3 When the tensile properties are unqualified, double the number of specimens shall be taken from the coils of the unqualified specimen for repeated tests. If the results of the repeated tests are all qualified, the batch of aluminum foil is qualified. If the repeated test results still have unqualified items, the batch of aluminum foil is judged as unqualified. After negotiation between suppliers and purchasers, the batch of aluminum foil can be inspected by the supplier on a coil-by-coil basis, the qualified products are delivered. 5.5.4 When the fracture strength fails, the batch of aluminum foil is unqualified. 5.5.5 When the pinhole is unqualified, this batch of aluminum foil is unqualified. However, the supplier is allowed to inspect by coil, and the qualified products are delivered.
5.5.6 If the adhesion result is not qualified, the batch of aluminum foil is judged as unqualified.
5.5.7 When the result of brushing water test fails, the batch of aluminum foil is judged as unqualified.
5.5.8 When the surface wetting tension test fails, the batch of aluminum foil is judged as unqualified.
5.5.9 When the DC resistance is unqualified, for the product whose melting number can be distinguished, this melting number is unqualified, whilst the other melting number is inspected in order, the qualified products are delivered. If the melting number cannot be distinguished, the corresponding products are unqualified.
e) Net weight;
f) Specifications;
g) Lot number (coil number);
h) Test results of various analysis items (when contracts or orders require); i) Inspection chop of the supplier's technical supervision department;
j) Packaging date;
k) This standard number.
7 Contract (or purchase order) content
The following items shall be included in the contract (or purchase order) for ordering the products listed in this standard.
a) Product name;
b) Grade;
c) Status;
d) Specifications;
e) Weight (including single coil weight);
f) Tube core material and specifications;
g) Performance requirement levels;
h) The items ?€?shall be marked in the contract (or purchase order)?€? as required by this standard;
i) This standard number;
j) Packaging requirements;
k) Negotiation results when other content than this standard is added.

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