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GB/T 42544-2023 English PDF

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US$139.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 42544-2023: Corrosion evaluation for anodic oxide coatings and organic polymer coatings on aluminium and its alloys - Grid method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 42544-2023	139	Add to Cart	3 days	Corrosion evaluation for anodic oxide coatings and organic polymer coatings on aluminium and its alloys - Grid method	Valid

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Basic data

Standard ID: GB/T 42544-2023 (GB/T42544-2023)
Description (Translated English): Corrosion evaluation for anodic oxide coatings and organic polymer coatings on aluminium and its alloys - Grid method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H21
Classification of International Standard: 25.220.20
Word Count Estimation: 6,691
Date of Issue: 2023-05-23
Date of Implementation: 2023-12-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42544-2023: Corrosion evaluation for anodic oxide coatings and organic polymer coatings on aluminium and its alloys - Grid method

---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.
ICS 25:220:20 CCSH21 National Standards of People's Republic of China Aluminum and aluminum alloy anodized film and organic polymer film Corrosion Assessment Grid Method Released on 2023-05-23 2023-12-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee

foreword

This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting: This document was drafted with reference to ISO 8994:2018 "Grid Method for Evaluation and Grading System of Anodic Oxidation Pitting Corrosion of Aluminum and Aluminum Alloys": degrees are not equivalent: Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed by China Nonferrous Metals Industry Association: This document is under the jurisdiction of the National Nonferrous Metals Standardization Technical Committee (SAC/TC243): This document is drafted by: National Standard (Beijing) Inspection and Certification Co:, Ltd:, Nonferrous Metal Technology Research Institute Co:, Ltd:, Guangdong Haomeixin Material Co:, Ltd:, Guangdong Xingfa Aluminum Co:, Ltd:, Fujian Nanping Aluminum Co:, Ltd:, Guangdong Academy of Sciences Industrial Analysis and Testing Center, Dongliang Aluminum Co:, Ltd:, Liaoning Zhongwang Group Co:, Ltd:, Jiangyin Hengxing Paint Co:, Ltd:, Mingdi Group Co:, Ltd: The main drafters of this document: Hao Xuelong, Gu Liu, Luo Chunhua, Zhang Donghui, Liang Jinpeng, Jian Sicong, Liu Quanquan, Fan Zhigang, Zhang Yijie, Li Honglin, Lin Qianlong, Wang Lin: Aluminum and aluminum alloy anodized film and organic polymer film Corrosion Assessment Grid Method

1 Scope

This document describes a method for evaluating corrosion results of anodic oxide coatings and organic polymer coatings on aluminum and its aluminum alloys using the grid method: This document is applicable to the grades of corrosion results of aluminum and aluminum alloy anodized film and organic polymer film corrosion test samples and service samples assessment:

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document: GB/T 42514-2023 Corrosion assessment chart method for aluminum and aluminum alloy anodized film and organic polymer film

3 Terms and Definitions

The following terms and definitions defined in GB/T 42514-2023 apply to this document: 3:1 defective grid defectivesquare Cover the effective surface of the corrosion sample with a transparent plate with a grid spacing of 5 mm, covering one or more corrosion defects (minimum diameter of 0:1mm) grid:

4 Determination of corrosion grade evaluation elements

According to the corrosion type of the sample and the source of the sample, determine the corrosion grade evaluation elements according to Table 1: Table 1 Corrosion type, sample source and corrosion grade evaluation elements corrosion type Sample sourcea Corrosion test sample Corrosion performance test of anodized film Corrosion performance test of organic polymer film Anodized composite film powder spray film spray paint film service sample Corrosion grade Assessment elements pitting corrosion Salt spray corrosion resistance (such as CASS, NASS, AASS, etc:), chemical resistance (salt water resistance resistance, acid resistance, etc:), resistance to sulfur dioxide moisture Corrosive atmosphere, etc: Salt spray corrosion resistance (such as CASS, NASS, AASS etc:), resistance to sulfur dioxide tide Humid atmosphere corrosive etc: Salt spray corrosion resistance (such as CASS, NASS, AASS etc:), resistance to sulfur dioxide tide Humid atmosphere corrosion, alkali resistance Resistance, resistance to nitric acid, etc: in the natural ring in use produce corrosion on the product intercepted sample corrosion point size, distribution and area a The corrosion sample area should not be less than 5000mm2, preferably 100mm×50mm: Corrosion test samples should be taken from within 24 hours after the end of the corrosion test sample: ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 42544-2023_English be delivered?

Answer: Upon your order, we will start to translate GB/T 42544-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 42544-2023_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 42544-2023_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.