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GB/T 5237.3-2017 English PDF

GB/T 5237.3: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 5237.3-2017150 Add to Cart Auto, < 3 mins Wrought aluminium alloy extruded profiles for architecture -- Part 3: Electrodeposition coating profiles Valid
GB 5237.3-2008358 Add to Cart 1 days [GB/T 5237.3-2008] Wrought aluminium alloy extruded profiles for architecture -- Part 3: Electrophoretic coating profiles Obsolete
GB 5237.3-2004399 Add to Cart 3 days Wrought aluminium alloy extruded profiles for architecture -- Part 3: Electrophoretic coating profiles Obsolete
GB/T 5237.3-2000279 Add to Cart 3 days Wrought aluminium alloy extruded profiles for architecture Part 4: Powder coating profiles Obsolete

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Basic data

Standard ID: GB/T 5237.3-2017 (GB/T5237.3-2017)
Description (Translated English): Wrought aluminium alloy extruded profiles for architecture -- Part 3: Electrodeposition coating profiles
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H61
Classification of International Standard: 77.150.10
Word Count Estimation: 22,299
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 5237.3-2017: Wrought aluminium alloy extruded profiles for architecture -- Part 3: Electrodeposition coating 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 3. Electrodeposition coating profiles ICS 77.150.10 H61 National Standards of People's Republic of China Replace GB/T 5237.3-2008 Aluminum alloy building profiles Part 3. Electrophoretic paint profiles Part 3. Electrodepositioncoatingprofiles 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 6 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 third 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 5237.3-2008 "Aluminum alloy building profiles Part 3. Electrophoretic painting profiles". This part and Compared with GB 5237.3-2008, the main technical changes except editorial changes are as follows. --- Removed the preface "The partial film thickness requirements of the composite film in this part of 4.4.4 and Table 2 are mandatory, and the rest is recommended. Statement of "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 8013.1 (see Chapters 2 and 5.4.6 of the.2008 edition); --- Removed the normative reference document GB/T 9761 (see Chapters 2 and 5.5 of the.2008 edition); --- Removed the normative reference file GB/T 9789 (see Chapter 2 of the.2008 edition); --- Removed the normative reference document GB/T 14952.3 (see Chapters 2 and 5.4.1 of the.2008 edition); --- Removed the normative reference document GB/T 20975 (see Chapters 2 and 5.1 of the.2008 edition); --- Removed the normative reference document JC/T 480 (see Chapters 2 and 5.4.9 of the.2008 edition); --- Added normative reference document GB/T 8005.3 (see Chapters 2 and 3); --- Added normative reference document GB/T 12967.6 (see Chapter 2, 5.4.2 and 5.5); --- Added normative reference document GB/T 14684 (see Chapters 2 and 5.4.9); --- Added normative reference document JC/T 479 (see Chapters 2 and 5.4.9); --- 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 definition of "local film thickness" (see 3.2 of the.2008 edition); --- Added the "paint film type and film characteristics" provisions (see 4.1.2); --- In the product classification, the content of the typical use of each film thickness level is modified to the note description of the film thickness level, and the film code is carried out. Provisions (see 4.1.3, see 4.1.2 of the.2008 edition); ---In the product classification, the content of "composite film performance level and applicable environment of corresponding profiles" has been added (see 4.1.4); --- Added "quality assurance" content (see 4.2); ---In the film thickness requirements, the surface film thickness of the profile such as the inner corner and the groove is increased (see 4.6.1, see 4.4.2 of the.2008 edition); --- Revised the requirements for the hardness of S-grade paint film (see 4.6.3, 4.4.3 of the.2008 edition); --- Modified the boiling water resistance requirements (see 4.6.5,.2008 version 4.4.5); --- Revised the wear resistance requirements (see 4.6.6,.2008 version 4.4.6); --- Revised solvent resistance requirements (see 4.6.10,.2008 edition of 4.4.10); --- Revised salt spray corrosion resistance requirements (see 4.6.13,.2008 edition of 4.4.12); --- Increased the performance requirements of the combined results of UV salt spray (see 4.6.14); --- In the provisions of the accelerated weathering test results, the gloss retention requirement was modified (see 4.6.15.1, 4.4.14.1 of the.2008 edition); --- In the provisions for accelerating the weathering test results, the "degree of discoloration ≤ 1 level" is modified to "color difference ΔE*ab ≤ 3.0" (see 4.6.15.1, 4.4.14.1 of the.2008 edition); --- Modified the "other" film performance requirements (see 4.6.16,.2008 version of 4.4.15); --- Revised the requirements for chemical composition test methods (see 5.1, 5.1 of the.2008 edition); --- Revised the requirements of the mechanical properties test method (see 5.2, 5.2 of the.2008 edition); --- Revised the requirements for boiling water resistance test methods (see 5.4.5, 5.4.5 of the.2008 edition); --- Revised the requirements of the test method for wear resistance (see 5.4.6, 5.4.6 of the.2008 edition); --- In the test method for hydrochloric acid resistance, the "chemically pure hydrochloric acid" was changed to "analytically pure hydrochloric acid" (see 5.4.7, 5.4.7 of the.2008 edition); ---In the mortar resistance test method, the lime powder was modified to the building quicklime specified in JC/T 479, and the standard sand was modified to Construction sand specified in GB/T 14684 (see 5.4.9,.2008 edition 5.4.9); --- Revised the solvent resistance test method requirements (see 5.4.10,.2008 edition 5.4.10); --- Increased the requirements of the combined test method for UV salt spray (see 5.4.14); --- Revised the requirements for accelerated weathering test methods (see 5.4.15.1, 5.4.14.1 of the.2008 edition); --- 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 5.4.15.2, 2008 edition 5.4.14.2); --- Revised the requirements for the appearance quality inspection method (see 5.5, 5.5 of the.2008 edition); --- Revised the requirements for inspection and acceptance (see 6.1, 6.1 of the.2008 edition); --- Revised the method requirements for group approval (see 6.2, 6.2 of.2008 edition); --- 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, 7.1 of the.2008 edition); ---Modified the packaging requirements (see 7.2, 7.3 of the.2008 edition); ---Modified transportation and storage regulations (see 7.3, 7.4 of the.2008 edition); --- Revised the content requirements of the quality certificate (see 7.4, 7.5 of the.2008 edition); ---Modified the content requirements of the order form (or contract) (see Chapter 8, Chapter 8 of the.2008 edition); --- Increased the content of raw material quality assurance (see Appendix A); --- Added the content of the reference (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 Jianmei Aluminum Profile Factory (Group) Co., Ltd., Guangya Aluminum Industry Co., Ltd., Guangdong Feng Aluminum Co., Ltd., Nonferrous Metals Technology and Economic Research Institute, Guangdong Huachang Aluminum Factory Co., Ltd., National Nonferrous Metals Quality Supervision and Inspection Center, Guangdong Industrial Analysis Testing Center, Sichuan Samsung New Material Technology Co., Ltd., Jiangyin Hengxing Coating Co., Ltd., Tianjin Development Zone Ailong Chemical Technology Co., Ltd. Company, Fujian Nanping Aluminum Co., Ltd., Guangdong Xingfa Aluminum Co., Ltd., Fujian Minfa Aluminum Co., Ltd., Shannanshan Aluminum Industry Co., Ltd. The main drafters of this section. Dai Yuexing, Pan Xuezhe, Chen Hui, Ge Lixin, Tang Xingyu, Fan Zhiyu, Liu Yingkun, Wang Zheng, Lin Yilong, Shi Hongwei, Xie Zhijun, Liang Jinpeng, Huang Ciwei, Li Wei. The previous versions of the standards replaced by this section are. ---GB/T 5237.3-2000, GB 5237.3-2004, GB 5237.3-2008. Aluminum alloy building profiles Part 3. Electrophoretic paint profiles

1 Scope

This part of GB/T 5237 specifies the terms and definitions, requirements, test methods, inspection rules, packaging, marking, and Transportation, storage, quality certificate and order form (or contract). This section applies to the heat of aluminum alloy for construction treated by anodizing, coloring and electrophoretic painting (water-soluble varnish or paint) Extruded profiles (hereinafter referred to as profiles). 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 629 chemical reagent sodium hydroxide GB/T 1740 paint film moisture resistance test GB/T 1766 Paint and varnish coating aging rating method GB/T 1865-2009 Painted and varnish artificial weathering and artificial radiation exposure filtered xenon arc radiation 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 5237.2 aluminium alloy building profiles - part 2. anodized profiles 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 6682 Analytical laboratory water specifications and test methods GB/T 6739 Paint and varnish pencil method for determination of film hardness GB/T 8005.3 Aluminium and aluminium alloys - Part 3. Surface treatment Aluminium and aluminium alloy anodized films and organic polymeric films - Part 2 Aluminium and aluminium alloys - Determination of thickness of anodized oxide film - Part 1 GB/T 9276 coating natural weather exposure test method GB/T 9286 color and varnish paint film cross-cut test GB/T 9754 Determination of 20°, 60° and 85° specular gloss of paints and varnishes without metallic pigments GB/T 10125 artificial atmosphere corrosion test salt spray test GB/T 11186.2 Measurement methods for colour of coatings - Part 2. colour measurement GB/T 11186.3 Method of measurement of coating colours Part 3. Calculation of colour difference Aluminium and aluminium alloys - Determination of anodic oxide film - Part 6 Poor and appearance quality GB/T 14684 construction sand GB/T 16585 vulcanized rubber artificial weathering (fluorescent ultraviolet lamp) test method JC/T 479 Building Lime

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 Paint film type and paint film characteristics The type of paint film and the characteristics of the paint film are shown in Table 1. Table 1 Paint film type and paint film characteristics Paint film type film characteristics Classified by paint film gloss The surface of the varnish film is bright and the specular reflectance is high. Matte paint film surface gloss is soft, specular reflectance is low Classified by paint film color The transparent paint film is colorless and transparent, and the electrophoretic coating used does not contain pigment. Colored film The paint film is various in color, but it is affected by the properties of the pigment used, weather resistance, corrosion resistance and transparency. Paint film has a certain difference 4.1.3 Film thickness level The film thickness level is shown in Table 2. Table 2 Composite film thickness level Film thickness level film code film type note EA21 EB16 ES21 Light or matte clear film Light or matt colored film The composite film thickness grade is divided into three categories. A, B and S. The classification is based on film thickness and electrophoretic coating. The type of material is divided, not by performance. For the same manufacturer The same type of electrophoretic coating uses the same production process to form a composite film, the film thickness High weather resistance and corrosion resistance lower than the film thickness of the paint film is usually better 4.1.4 Composite film performance level and applicable environment of corresponding profiles The performance level of the composite membrane is classified into Grade II, Grade III and Grade IV according to the salt spray corrosion resistance, accelerated weather resistance and UV salt spray combined test results. performance The level shall be agreed between the supplier and the buyer, and shall be indicated in the order form (or contract). If not specified, the grade shall be supplied. Composite film performance level corresponding to profile See Table 3 for the applicable environment. Table 3 The performance level of the composite film corresponds to the applicable environment of the profile Applicable environment for composite film performance grade profiles Class IV solar radiation is intense, atmospheric corrosion is severe Class III solar radiation with strong atmospheric corrosion Class II solar radiation intensity is general, the atmosphere is slightly corrosive 4.1.5 Tags and examples Profile marking by product name, this part number, grade, status, section code and length, color, composite film performance level, film code The order of the representation. Examples of tags are as follows. Example 1. 6063 grade, T5 state, section code is 421001, the length of the length is 6000mm bronze, the film code is EA21, grade II performance electrophoretic paint type Material, marked as. Electrophoresis profile GB/T 5237.3-6063T5-421001×6000 bronze II EA21 Example 2. 6063 grade, T5 state, cross-section code is 421001, white with a length of 6000mm, film code ES21, grade II performance electrophoretic paint profile, Mark as. Electrophoresis profile GB/T 5237.3-6063T5-421001×6000 white II ES21 4.2 Quality Assurance 4.2.1 Process Process assurance see A.1. 4.2.2 Raw materials The quality of the substrate, the quality of the chemical reagents and additives for anodizing surface treatment, and the quality of the electrophoretic coating are given in A.2. 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 composite film) should meet the requirements of GB/T 5237.1. 4.6 Film properties 4.6.1 Film thickness The film thickness requirements on the decorative surface shall comply with the requirements of Table 4. The film thickness level should be indicated on the order form (or contract), and the film thickness level is not indicated. For the profile of the film type transparent film, the grade B is supplied. Table 4 Composite film thickness requirements Film thickness level Film thickness a Mm Anodized film local film thickness paint film local film thickness composite film local film thickness A ≥9 ≥12 ≥21 B ≥9 ≥7 ≥16 S ≥6 ≥15 ≥21 a Due to the complexity of the cross-sectional shape of the profile, it is permissible to have a local film thickness of certain surfaces (such as internal corners, grooves, etc.) below the specified value. 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. If the demand side requires the instrument method to measure, the allowable color difference value shall be agreed between the supplier and the buyer. 4.6.3 Paint film hardness After the pencil scratch test, the hardness of the paint film should not be less than 3H. 4.6.4 Paint film adhesion The dry adhesion and wet adhesion of the paint film should reach level 0. 4.6.5 boiling water resistance After the boiling water immersion test, the surface of the paint film should be free of wrinkles, cracks, air bubbles, no peeling or discoloration, and the adhesion should reach 0. 4.6.6 Wear resistance The abrasion resistance can be measured by a falling sand test or a spray grinding test. When using the falling sand test, the amount of falling sand should be no less than 3300g; when using the jet grinding test, The blasting time should be no less than 35s. The test method used for wear resistance shall be agreed between the supplier and the buyer, and shall be indicated in the order form (or contract), without specifying At the time, it was carried out according to the falling sand test. 4.6.7 Hydrochloric acid resistance After the hydrochloric acid resistance test, the surface of the composite membrane should be free of bubbles or other significant changes. 4.6.8 Alkali resistance After the alkali resistance test, the protection level should be no less than 9.5. 4.6.9 Mortar resistance After the mortar resistance test, the surface of the composite film should not fall off or other obvious changes. 4.6.10 Solvent resistance After the solvent resistance test, the anodized film was not exposed on the surface of the profile. 4.6.11 Detergent resistance After the detergent resistance test, the surface of the composite membrane should be free of blistering, shedding or other significant changes. 4.6.12 Resistance to heat and humidity After the heat and humidity resistance test, the comprehensive damage level of the composite membrane surface should reach Grade 1. 4.6.13 Salt spray corrosion resistance The copper accelerated acetate spray (CASS) test results and the acetate spray (AASS) test results are to comply with Table 5. Salt spray corrosion resistance The test method adopted by the property shall be agreed between the supplier and the buyer, and shall be indicated in the order form (or contract). If not specified, the accelerated acetic acid salt spray test shall be carried out according to the copper. Row. When required by the purchaser, it can also be carried out according to the neutral salt spray (NSS) test. The neutral salt spray test time and test results should be supplied by both parties. GB/T 8013.2 agreed. Table 5 Salt spray corrosion resistance, accelerated weather resistance and UV salt spray combined test results complex Membrane e......

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