GB/T 5237.2: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 5237.2-2017 | English | 155 |
Add to Cart
|
0--9 seconds. Auto-delivery
|
Wrought aluminium alloy extruded profiles for architecture -- Part 2: Anodized profiles
| Valid |
GB/T 5237.2-2017
|
| GB 5237.2-2008 | English | 328 |
Add to Cart
|
1 days [Need to translate]
|
[GB/T 5237.2-2008] Wrought aluminium alloy extruded profiles for architecture -- Part 2: Anodized profiles
| Obsolete |
GB 5237.2-2008
|
| GB 5237.2-2004 | English | 519 |
Add to Cart
|
4 days [Need to translate]
|
Wrought aluminium alloy extruded profiles for architecture -- Part 2: Anodized colored profiles
| Obsolete |
GB 5237.2-2004
|
| GB/T 5237.2-2000 | English | 359 |
Add to Cart
|
3 days [Need to translate]
|
Wrought aluminium alloy extruded profiles for architecture-Part 3: Electrophoretic coating profiles
| Obsolete |
GB/T 5237.2-2000
|
PDF similar to GB/T 5237.2-2017
Basic data | Standard ID | GB/T 5237.2-2017 (GB/T5237.2-2017) | | Description (Translated English) | Wrought aluminium alloy extruded profiles for architecture -- Part 2: Anodized profiles | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H61 | | Classification of International Standard | 77.150.10 | | Word Count Estimation | 18,120 | | Date of Issue | 2017-10-14 | | Date of Implementation | 2018-07-01 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | GB/T 5237.2-2017: Wrought aluminium alloy extruded profiles for architecture -- Part 2: Anodized profiles
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Wrought aluminium alloy extruded profiles for architecture- Part 2. Anodized profiles
ICS 77.150.10
H61
National Standards of People's Republic of China
Replace GB/T 5237.2-2008
Aluminum alloy building profiles
Part 2. Anodized profiles
Part 2. Anodizedprofiles
Released on.2017-10-14
2018-07-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Administration issued
Foreword
GB/T 5237 "Aluminum Alloy Building Profile" is divided into six parts.
--- Part 1. Substrate;
---Part 2. Anodized profiles;
---Part 3. Electrophoretic paint profiles;
---Part 4. Spray profiles;
---Part 5. Painting profiles;
--- Part 6. Thermal insulation profiles.
This part is the second part of GB/T 5237.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
This part replaces GB 5237.2-2008 "Aluminum Alloy Building Profiles Part 2. Anodized Profiles". This part and GB 5237.2-
Compared with.2008, the main technical changes except editorial changes are as follows.
--- Deleted the statement in the preface that "This section 4.4.1, 4.4.2 is mandatory, and the remaining clauses are recommended" (see.2008 edition)
Preface);
--- Deleted the statement in the preface "This section refers to JISH8601-1999 "Aluminum and aluminum alloy anodized film" revised"
(see the preface of the.2008 edition);
--- Revised the applicable "scope" of this section (see Chapter 1, Chapter 1 of the.2008 edition);
--- Removed the normative reference document GB/T 228-2002 (see Chapters 2 and 5.2 of the.2008 edition);
--- Removed the normative reference document GB/T 1766 (see Chapter 2 of the.2008 edition and 5.4.6.1);
--- Removed the normative reference document GB/T 8753.2 (see Chapters 2 and 5.4.2 of the.2008 edition);
--- Removed the normative reference document GB/T 14952.3 (see Chapter 2, 5.4.3.3, 5.5 and 6.4 of the.2008 edition);
--- Removed the normative reference document GB/T 20975 (all parts) (see Chapters 2 and 5.1 of the.2008 edition);
--- Added normative reference document GB/T 3199 (see Chapter 2, 7.1.2, 7.2 and 7.3);
--- Added normative reference document GB/T 8005.3 (see Chapters 2 and 3);
--- Added normative reference document GB/T 8753.1 (see Chapters 2 and 5.4.3);
--- Added normative reference document GB/T 12967.6 (see Chapter 2, 5.4.2 and 5.5);
--- Amend the normative reference document GB/T 8013.1-2007 to a normative reference file without a chronological number (see Chapter 2,
4.6.7, 5.4.7 and 6.5, Chapters 2, 4.4.7, 5.4.7 and 6.4) of the.2008 edition;
--- Revised guidelines for terms and definitions (see Chapter 3, Chapter 3 of the.2008 edition);
--- Revised the definition of "decorative surface" (see 3.1, 3.1 of the.2008 edition);
--- Removed the definitions of "local film thickness" and "average film thickness" (see.2008 and 3.2 and 3.3);
--- Added "type surface texture type and characteristics" in the product classification (see 4.1.2);
--- Removed the "typical use" in the product category (see 4.1.2 of the.2008 edition);
--- Added "film color" to the product classification (see 4.1.3);
---Modified the "surface treatment method" content in the product classification (see 4.1.3, 4.1.2 of the.2008 edition);
--- Revised the labeling and example provisions in the product category (see 4.1.4, 4.1.3 of the.2008 edition);
--- Added "quality assurance" content (see 4.2);
--- Film performance project "color and color difference" was changed to "color difference" (see 4.6.2, 5.4.2 and Chapter 6,.2008 version 4.4.3, 5.4.3
And Chapter 6);
--- Revised the sand fall test requirements for wear resistance (see 4.6.4, 4.4.5 of the.2008 edition);
--- Increased wear resistance test requirements (see 4.6.4);
--- Removed the requirements for "accelerated weatherability" and test method requirements for weather resistance (see 4.4.6.1 and 5.4.6.1 of the.2008 edition);
--- Increased the "UV resistance" requirements and test method requirements for weather resistance (see 4.6.6.1 and 5.4.6.1);
--- Revised the test method requirements for chemical composition and mechanical properties (see 5.1 and 5.2,.2008 and 5.1 and 5.2);
--- Revised the test method requirements for color difference (see 5.4.2, 5.4.3 of the.2008 edition);
--- Revised the test method requirements for sealing quality (see 5.4.3,.2008 version 5.4.2);
--- Revised the test method requirements for wear resistance (see 5.4.4,.2008 version 5.4.5);
--- The note in the natural weathering test method was revised to "Many countries use the Florida atmospheric corrosion test station for natural weathering test
Test. In the China Atmospheric Corrosion Test Station, the atmospheric conditions in close proximity to Florida are the Qionghai atmospheric corrosion test station in Hainan Province.
However, the test results of the Qionghai atmospheric corrosion test station in Hainan Province are different from those in Florida. " (see 5.4.6.2,
2008 edition 5.4.6.2);
--- Revised the inspection method requirements for appearance quality (see 5.5, 5.5 of the.2008 edition);
--- Revised the method requirements for group approval (see 6.2, 6.2 of.2008 edition);
--- Increased inspection classification (see 6.3);
--- Revised the provisions of the inspection project (see 6.4, 6.3 of the.2008 edition);
--- Revised the sampling regulations (see 6.5, 6.4 of the.2008 edition);
--- Revised the judgment requirements of the test results (see 6.6, 6.5 of the.2008 edition);
--- Revised the provisions of the logo (see 7.1.1, 7.4 of the.2008 edition);
---Modified the packaging requirements (see 7.2, 7.3 of the.2008 edition);
--- Revised the content requirements of the quality certificate (see 7.4, 7.2 of the.2008 edition);
---Modified the content requirements of the order form (or contract) (see Chapter 8, Chapter 8 of the.2008 edition);
--- Increased content requirements for quality assurance (see Appendix A);
--- Revised the protective measures of the profile during transportation and use (see Appendix B, Appendix B of the.2008 edition);
--- Added references (see references).
This part was proposed by the China Nonferrous Metals Industry Association.
This part is under the jurisdiction of the National Nonferrous Metals Standardization Technical Committee (SAC/TC243).
This section drafted by. Guangdong Xingfa Aluminum Co., Ltd., Foshan Nanhai Huahao Aluminum Profile Co., Ltd., Nonferrous Metals Technology Economics Research
Research Institute, Fujian Minfa Aluminum Co., Ltd., Shannannanshan Aluminum Co., Ltd., National Nonferrous Metals Quality Supervision and Inspection Center, Guang
Eastern Province Industrial Analysis and Testing Center, Fujian Nanping Aluminum Co., Ltd., Guangdong Feng Aluminum Co., Ltd., Guangdong Jianmei Aluminum Profile Factory (set
Group), Sichuan Samsung New Materials Technology Co., Ltd., Guangya Aluminum Co., Ltd.
The main drafters of this section. Xia Xiuqun, Ge Lixin, Chen Wenzhao, Zhu Shuiming, Ye Xifa, Li Wei, Fan Zhiyu, Luo Shun, Feng Dongsheng, Chen Hui,
Dai Yuexing, Yan Yongtao, and Pan Xuexue.
The previous versions of the standards replaced by this section are.
---GB/T 5237-1985, GB/T 5237-1993 (anodized, colored profiles);
---GB/T 5237.2-2000, GB 5237.2-2004, GB 5237.2-2008.
Aluminum alloy building profiles
Part 2. Anodized profiles
1 Scope
This part of GB/T 5237 specifies the terms and definitions, requirements, test methods, inspection rules, signs, packaging, and anodized profiles.
Transportation, storage and quality certificates and order forms (or contracts).
This section applies to aluminum alloy hot extruded profiles (hereinafter referred to as profiles) for surface anodizing, electrolytic coloring or dyeing.
Other aluminum alloy processed materials with the same application and surface treatment methods can also be referred to in this section.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 3199 Aluminum and aluminum alloy processing products packaging, marking, transportation, storage
GB/T 4957 Non-conductive coating on non-magnetic base metal, thickness measurement of eddy current method
GB/T 5237.1 aluminium alloy building profiles - Part 1.
GB/T 6461 Metal and other inorganic coatings on metal substrates after corrosion test samples and test pieces
GB/T 6462 metal and oxide coating thickness measurement microscopy
GB/T 8005.3 Aluminium and aluminium alloys - Part 3. Surface treatment
Aluminium and aluminium alloy anodized films and organic polymeric films - Part 1
Aluminium and aluminium alloys - Determination of thickness of anodized oxide film - Part 1
Aluminium and aluminium alloys -- Determination of sealing quality of oxidized oxides - Part 1 .
Chromic acid method
GB/T 9276 coating natural weather exposure test method
Aluminium and aluminium alloys - Determination of anodic oxide film - Part 3. Copper accelerated acetate spray test (CASS test)
Aluminium and aluminium alloys - Determination of anodic oxide film - Part 4
Determination
Aluminium and aluminium alloys - Determination of anodic oxide film - Part 6
Poor and appearance quality
3 Terms and definitions
The following terms and definitions as defined in GB/T 8005.3 apply to this document.
3.1
Decorative surface exposedsurfaces
Profiles that are processed, assembled into articles and mounted on buildings, visually visible surfaces (including in an open or closed state).
4 requirements
4.1 Product Classification
4.1.1 Grade, Status and Size Specifications
The grade, condition and size specifications shall comply with the provisions of GB/T 5237.1.
4.1.2 Surface texture types and characteristics
The surface texture types and characteristics are shown in Table 1.
Table 1 Types and characteristics of profile surface texture
Texture type texture features
The glossy surface maintains the same surface texture appearance as the substrate
Surface texture appearance obtained by sandblasting, shot blasting or alkali etching on the surface of the substrate
Smooth, shiny surface texture appearance obtained by grinding the surface of the substrate with a cloth wheel, wool wheel and sandpaper
Surface texture appearance of straight lines, chaotic lines, threads, corrugations, and swirls obtained by mechanically rubbing the surface of the substrate
4.1.3 Film thickness level, film color and surface treatment
The film thickness level, film color and surface treatment of the film layer are shown in Table 2.
Table 2 Film thickness level, film color and surface treatment
Film thickness level a, b film color surface treatment method a
AA10, AA15, AA20, AA25
Silver white
Bronze, black, gold, etc.
Anodized sealing
Anodized electrolytic coloring c sealing
Anodizing dyeing d sealing
a Film thickness level, coloring and sealing process have a great influence on the performance of the film.
b Generally, the thicker the film thickness, the better the salt spray corrosion resistance.
c Electrolytic coloring can only meet the customer's demand for a certain range of colors.
d The ultraviolet light resistance of the dyed film layer is generally worse than that of electrolytic coloring.
4.1.4 Marking and examples
Profile marking by product name, this part number, grade, status, section code and length, color (or color number), surface texture type, film
A thick level of sequential representation. Examples of tags are as follows.
Bronze, sand surface, film thickness grade AA15, 6063 grade, T5 state, profile section code 421001, length of 3000mm profile, standard
Recorded as.
Anodized profile GB/T 5237.2-6063T5-421001×3000 bronze sand surface AA15
4.2 Quality Assurance
4.2.1 Process
Process assurance see A.1.
4.2.2 Raw materials
Refer to A.2 for the quality of the substrate, the quality of the anodizing surface treatment chemicals and additives.
4.3 Chemical composition
The chemical composition should meet the requirements of GB/T 5237.1.
4.4 Mechanical properties
Mechanical properties should meet the requirements of GB/T 5237.1.
4.5 Dimensional deviation
Dimensional deviation (including the film layer) shall comply with the provisions of GB/T 5237.1.
4.6 Film properties
4.6.1 Film thickness
The average film thickness and local film thickness of the film layer are to comply with the requirements of Table 3. The film thickness level should be indicated in the order form (or contract), if not specified,
Available as AA10.
Table 3 film thickness requirements
Film thickness level
Average film thickness
Mm
Partial film thickness
Mm
AA10 ≥10 ≥8
AA15 ≥15 ≥12
AA20 ≥20 ≥16
AA25 ≥25 ≥20
4.6.2 Color difference
The color should be basically the same as the swatch agreed by the supplier and the buyer, or in the range of colors defined by the upper and lower color scales agreed by the supplier and the buyer.
Inside. When using the instrument method, the allowable color difference value shall be agreed between the supplier and the buyer and specified in the order form (or contract).
4.6.3 Sealing quality
After the sealing quality test, the mass loss value should be no more than 30mg/dm2.
4.6.4 Abrasion resistance
The abrasion resistance can be measured by a falling sand test or a spray grinding test. When using the falling sand test, the average sand consumption per micron film thickness is not less than
330g; when using the spray test, the average wear time per micron film thickness is not less than 3.5s. The test method used for wear resistance shall be on both the supply and demand sides.
Agreed, and stated in the order form (or contract), if not specified, according to the falling sand test.
4.6.5 Salt spray corrosion resistance
The salt spray resistance of the film shall comply with the requirements of Table 4.
Table 4 Salt spray corrosion resistance
Film thickness level
Test time
Protection level
AA10 16
AA15 24
AA20 48
AA25 48
≥9
4.6.6 Weather resistance
4.6.6.1 UV resistance
After the UV resistance test, the surface color change of the visual sample shall not be greater than the degree of discoloration agreed between the supplier and the buyer.
4.6.6.2 Natural weather resistance
When the demander has requirements for natural weatherability, the test conditions and acceptance criteria shall be agreed between the supplier and the buyer and specified in the order form (or contract).
4.6.7 Other
When the demand side has requirements for other performances, the supplier and the buyer shall refer to GB/T 8013.1 for specific agreement and indicate in the order form (or contract).
4.7 Appearance quality
The surface of the profile is not allowed to have defects such as electric burns and film peeling, but it is allowed to be partially film-free within 80 mm from the end of the profile.
5 Test methods
5.1 Chemical composition
The chemical composition analysis method is carried out in accordance with the provisions of GB/T 5237.1. The surface layer of the sample should be removed before the test.
5.2 Mechanical properties
The test method of mechanical properties is carried out in accordance with the provisions of GB/T 5237.1.
5.3 Dimensional deviation
The method for detecting the dimensional deviation is carried out in accordance with the provisions of GB/T 5237.1.
5.4 Film properties
5.4.1 Film thickness
According to the measurement principle specified in GB/T 8014.1, the eddy current method in GB/T 4957 or the microscope method in GB/T 6462 is used.
Line measurement. The arbitration test was carried out according to the microscope method specified in GB/T 6462.
5.4.2 Color difference
According to the provisions of GB/T 12967.6.
5.4.3 Sealing quality
According to the provisions of GB/T 8753.1.
5.4.4 Wear resistance
According to the provisions of GB/T 8013.1.
5.4.5 Salt spray corrosion resistance
Carry out the CASS test according to the provisions of GB/T 12967.3, and after the test time specified in Table 4, evaluate the test according to the provisions of GB/T 6461.
As a result of the test, the protection levels corresponding to different defect area ratios are shown in Table 5.
Table 5 Protection levels corresponding to different defect area ratios
Defect area ratio after test
Protection level
Defect area ratio after test
Protection level
No level 10 >0.05~0.07 9.3
≤0.02 9.8 level >0.07~0.10 level 9
>0.02~0.05 9.5 level >0.10~0.25 level 8
5.4.6 Weather resistance
5.4.6.1 UV resistance
According to the provisions of GB/T 12967.4, the test time is 300h.
5.4.6.2 Natural weather resistance
According to the provisions of GB/T 9276.
Note. Many countries use the Florida Atmospheric Corrosion Test Station for natural weathering tests. Atmospheric conditions in the China Atmospheric Corrosion Test Station
Closer is the Qionghai atmospheric corrosion test station in Hainan Province, but the test results of the Qionghai atmospheric corrosion test station in Hainan Province and the test results in Florida will
has a difference.
5.4.7 Other
Other performance tests shall be carried out in accordance with GB/T 8013.1 or agreed upon by the supplier and the buyer.
5.5 Appearance quality
The appearance quality is carried out in accordance with the provisions of GB/T 12967.6.
6 Inspection rules
6.1 Inspection and acceptance
6.1.1 The profile shall be inspected by the supplier to ensure that the quality of the profile complies with the provisions of this part or the order form (or contract) and fill in the quality certificate.
Book.
6.1.2 The purchaser may inspect the received profile in accordance with the provisions of this section. Inspection results and provisions of this part or order form (or contract)
In case of discrepancy, it shall be submitted to the supplier in writing and resolved by negotiation between the supplier and the buyer. Objections that are subject to appearance quality and dimensional deviation should be received
The objection of the profile shall be filed within one month from the date of the profile and shall be filed within six months from the date of receipt of the profile. If arbitration is required,
The unit shall be inspected by the unit recognized by both parties, and the sampling of the arbitration shall be on the demand side and shall be jointly carried out by both the supplier and the buyer.
6.2 Batch
Profiles shall be submitted for acceptance in batches, each batch shall be of the same grade, condition, size specification (or section code), surface texture type, film thickness level,
The color of the film layer and the same surface treatment method and the profile of the process are not limited.
6.3 Inspection classification
Product inspection is divided into factory inspection and periodic inspection.
6.4 Inspection items and process assurance projects
6.4.1 Factory inspection items, periodic inspection items and process assurance items shall comply with the requirements of Table 6.
Table 6 Inspection items and process assurance projects
Inspection project factory inspection project periodic inspection project process assurance project
Chemical composition √ - -
Mechanical properties √ - -
Size deviation √ - -
Film thickness √ - -
Color difference √ - -
Sealing quality √ - -
Abrasion resistance a √ √
Salt spray corrosion resistance a √ √
Weather resistance
UV resistance a √ √
Natural weather resistance a - √
Other a - -
Appearance quality √ - -
Note. “√” means the item or process assurance item that must be inspected, “-” means no inspection item or non-process guarantee item.
a When the order form (or contract) indicates the inspection, the item is listed as a mandatory inspection item. Not checked when not specified.
6.4.2 The supplier shall conduct at least one periodic inspection every three years.
6.5 Sampling
Sampling of profiles shall be in accordance with Table 7.
Table 7 sampling
Section number of the test method for the test article required by the sampling requirements of the inspection project
The chemical composition is in accordance with the provisions of GB/T 5237.1 4.3 5.1
Mechanical properties according to the provisions of GB/T 5237.1 4.4 5.2
Dimensional deviation check by root 4.5 5.3
The sample thickness of the film thickness is as specified in Table 8.4.6.1 5.4.1
Color difference check by root 4.6.2 5.4.2
Sealing quality
Wear resistance
Salt spray corrosion resistance
Weather resistance
UV resistance
Natural weather resistance
After the sealing of the profile is completed for 120h, 2 profiles/test items are extracted from each batch.
Cut one sample from each of the extracted profiles
Take 3 profiles from the batch and cut them on each of the selected profiles.
1 sample. If the buyer agrees, the supplier can make the film thickness level and film layer
3 pieces of the same color and surface treatment method and process as the batch
The test plate replaces the profile sample. Sample (or test plate) film effective surface size
(length × width) should be 250mm × 150mm
4.6.3 5.4.3
4.6.4 5.4.4
4.6.5 5.4.5
4.6.6.1 5.4.6.1
4.6.6.2 5.4.6.2
Other film properties shall be sampled according to GB/T 8013.1 or agreed by the supplier and the buyer. 4.6.7 5.4.7
Appearance quality inspection by root 4.7 5.5
Table 8 The number of film thickness samples and the number of unqualified products
The maximum number of unqualified items in the batch range
1~10 all 0
11~200 10 1
201~300 15 1
301~500 20 2
501~800 30 3
800 or more 40 4
6.6 Determination of test results
6.6.1 When the chemical composition of any sample is unqualified, when the profile can distinguish the melting time, the melting point represented by the sample is judged to be unqualified, and the other melting times are determined.
Sub-test, qualified delivery. If the melting time cannot be distinguished, the batch is judged to be unqualified.
6.6.2 If the mechanical properties of any of the specimens are unqualified, double the number of specimens from the batch of specimens shall be taken for repeated tests and repeated tests.
If all the results are satisfactory, the batch is judged to be qualified. If the test results are still unsatisfactory, the batch is judged to be unqualified. Supply and demand double
The parties agree to allow the supplier to check the roots one by one, and the qualified ones deliver.
6.6.3 If the dimensional deviation of any sample is unqualified, the batch is judged to be unqualified. However, the supplier is allowed to check the roots one by one, and the qualified ones deliver.
6.6.4 If the number of non-conforming products with a film thickness exceeds the upper limit of the number of non-conforming products specified in Table 8, another double number of profiles shall be taken for repeated test.
Test. If the number of non-conforming products in the repeated test does not exceed double the upper limit of the number of non-conforming products specified in Table 8, the batch is judged to be qualified, otherwise the judgment is
The batch failed. The supplier and the buyer agree to allow the supplier to check the roots one by one, and the qualified ones deliver the goods.
6.6.5 If the color difference of any sample is unqualified, the root is judged to be unqualified.
6.6.6 If the sealing quality of any sample is unqualified, the batch is judged to be unqualified.
6.6.7 If the wear resistance of any sample is unqualified, the batch is judged to be unqualified.
6.6.8 If the salt spray corrosion resistance of any of the samples is unqualified, the batch is judged to be unqualified.
6.6.9 If the weather resistance of any of the samples is unqualified, the batch is judged to be unqualified.
6.6.10 If the performance of other layers of any of the samples is unqualified, the batch is judged to be unqualified.
6.6.11 If the appearance quality of any of the samples is unqualified, the root is judged to be unqualified.
6.6.12 When the results of the periodic inspection are unqualified, the supplier shall deal with the quality of the substrate, the quality of the chemical agents and additives used in the anodizing surface treatment, and the workmanship.
Art, etc. will be re-evaluated and re-inspected until qualified.
7 Marking, packaging, transportation, storage and quality certificate
7.1 mark
7.1.1 Product logo
On the inspection of qualified profiles, there should be the following content (or label with the following content).
a) the name and address of the supplier;
b) the name of the product;
c) the inspection of the quality inspection department of the supplier (or the signature or seal of the q...
|