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GB/T 5237.2-2017 English PDF

GB/T 5237.2: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 5237.2-2017	155	Add to Cart	Auto, < 3 mins	Wrought aluminium alloy extruded profiles for architecture -- Part 2: Anodized profiles	Valid
GB 5237.2-2008	328	Add to Cart	1 days	[GB/T 5237.2-2008] Wrought aluminium alloy extruded profiles for architecture -- Part 2: Anodized profiles	Obsolete
GB 5237.2-2004	519	Add to Cart	4 days	Wrought aluminium alloy extruded profiles for architecture -- Part 2: Anodized colored profiles	Obsolete
GB/T 5237.2-2000	359	Add to Cart	3 days	Wrought aluminium alloy extruded profiles for architecture-Part 3: Electrophoretic coating profiles	Obsolete

Similar standards

GB/T 5155 GB/T 5154 GB/T 5156 GB/T 5237.4 GB/T 5237.5 GB/T 5237.3

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

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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 ......

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