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Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 33488.5-2024: Test method of pressure equipment of thermoplastics welded for chemicals - Part 5: Time of flight diffraction Status: Valid
Basic dataStandard ID: GB/T 33488.5-2024 (GB/T33488.5-2024)Description (Translated English): Test method of pressure equipment of thermoplastics welded for chemicals - Part 5: Time of flight diffraction Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: G94 Classification of International Standard: 71.120; 19.100 Word Count Estimation: 26,216 Date of Issue: 2024-04-25 Date of Implementation: 2024-11-01 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 33488.5-2024: Test method of pressure equipment of thermoplastics welded for chemicals - Part 5: Time of flight diffraction---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 71:120;19:100 CCSG94 National Standards of People's Republic of China Inspection methods for plastic welded pressure equipment for chemical industry Part 5: Ultrasonic testing by time-of-flight diffraction Released on 2024-04-25 2024-11-01 Implementation State Administration for Market Regulation The National Standardization Administration issued Table of ContentsPreface III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 General requirements 2 5 Testing equipment 2 6 Testing technology level, process documents and work procedures 8 7 Detection Methods10 8 Detection data analysis 14 9 Defect Assessment and Quality Grading 16 10 Test records and reports 18ForewordThis 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 is part 5 of GB/T 33488 "Test methods for welded plastic pressure equipment for chemical industry": The following parts are published: --- Part 1: General; --- Part 2: Appearance inspection; --- Part 3: Radiographic testing; --- Part 4: Ultrasonic testing; --- Part 5: Diffraction time-of-flight ultrasonic testing: Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the responsibility for identifying patents: This document was proposed by the China Petroleum and Chemical Industry Federation: This document is under the jurisdiction of the National Technical Committee for Standardization of Non-metallic Chemical Equipment (SAC/TC162): This document was drafted by: Ningbo Special Equipment Inspection Institute, Naiflon Group Co:, Ltd:, Tianjin Special Equipment Supervision and Inspection Technology Co:, Ltd: Technical Research Institute, Chongqing Pengcheng Nondestructive Testing Co:, Ltd:, Hunan Anguang Inspection and Testing Co:, Ltd:, Taizhou Special Equipment Inspection and Testing Research Institute Institute, Jiangsu Special Equipment Safety Supervision and Inspection Institute, Pipeline Network Group (Xuzhou) Pipeline Inspection and Testing Co:, Ltd:, Guizhou Special Equipment Inspection and Testing Institute, Zhejiang Special Equipment Science Research Institute, Anhui Huagong Intelligent Technology Research Institute Co:, Ltd:, Machinery Industry Shanghai Lanya Petrochemical Equipment Testing Institute Co:, Ltd:, Jiaxing Special Equipment Inspection and Testing Institute, Fujian Boiler and Pressure Vessel Inspection Institute, Ningxia Special Equipment Inspection Institute Inspection and Testing Institute, Sichuan Special Equipment Inspection and Research Institute, Shenzhen Youtong Plastic Welding Machinery Co:, Ltd:, Guangdong Special Equipment Inspection and Research Institute Shan Testing Institute, Zhejiang South China Environmental Protection Equipment Co:, Ltd:, Guangdong Junxiang Technology Co:, Ltd:, Linhai Weixing New Building Materials Co:, Ltd:, Chongqing Municipal Special Equipment Testing and Research Institute, Shanghai Special Equipment Supervision and Inspection Technology Research Institute, Tianhua Chemical Machinery and Automation Research and Design Institute Co:, Ltd: company: The main drafters of this document are: Wang Du, Huang Huandong, Si Yonghong, Xie Linfeng, Ren Zhifeng, Jin Zhongping, Wu Jun, Hou Chunwu, Nie Yin, Chen Dingyue, Jia Banglong, Xu Bo, Wang Shenghui, Wang Fenghuai, Qian Shengjie, Dong Yang, Shen Zhengxiang, Tian Li, Zhu Chaoming, Wang Fang, Wang Wenda, Chen Wenjie, Wang Mengjun, Yang Ling, Yu Zhenxing, Chen Bo, Yu Jinjie, Mei Lin, Xu Zhijun, Cai Zheng, Chen Shiwang, Yuan Kun, Yang Shengxuan, Duan Hongbin, He Zhengwen, Xiao Lijuan, Sang Linchun:IntroductionGB/T 33488:5 aims to provide a reliable non-destructive testing method for welds of plastic welded pressure equipment for chemical industry to evaluate the quality of equipment welds: The quality grade ensures the safety of equipment use and consists of 5 parts: --- Part 1: General: The purpose is to put forward general requirements for non-destructive testing of welds of plastic welded pressure equipment for chemical industry: --- Part 2: Appearance inspection: The purpose is to provide a reliable weld appearance inspection method for plastic welded pressure equipment for chemical industry: --- Part 3: Radiographic testing: The purpose is to provide a reliable radiographic testing method for welds of plastic welded pressure equipment for chemical industry: --- Part 4: Ultrasonic testing: The purpose is to provide a reliable ultrasonic testing method for welds of plastic welded pressure equipment for chemical industry: --- Part 5: Diffraction time-of-flight ultrasonic testing: The purpose is to provide reliable diffraction time-of-flight ultrasonic testing of welds of plastic welding pressure equipment for chemical industry: Differential ultrasonic testing method: Inspection methods for plastic welded pressure equipment for chemical industry Part 5: Ultrasonic testing by time-of-flight diffraction1 ScopeThis document specifies the time-of-flight diffraction ultrasonic testing method (hereinafter referred to as "TOFD testing") for plastic welded pressure-bearing equipment used in the chemical industry: General requirements, testing equipment, testing technology level, process documents and work procedures, testing methods, test data analysis, defect assessment and quality Grading and testing records and reports: This document applies to thermoplastic plastic sheets, pipes and fittings such as polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), etc: Raw materials, welded by hot melt welding process, TOFD detection of plastic welded pressure equipment butt joints with wall thickness of 10mm~70mm: This document is applicable to the inclusions, holes, cracks, fusion surface defects, cold welding defects in the hot melt welding process of thermoplastics Detection: This document is not applicable to the detection of defects such as over-welding, short fusion surface and misalignment in welded joints of thermoplastics using the hot-melt welding process:2 Normative referencesThe contents of the following documents constitute the essential clauses of this document through normative references in this document: For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document: GB/T 27664:1 Non-destructive testing - Performance and inspection of ultrasonic testing equipment - Part 1: Instrument GB/T 27664:2 Non-destructive testing - Performance and inspection of ultrasonic testing equipment - Part 2: Probes GB/T 33488:4 Inspection methods for welded plastic pressure equipment for chemical industry Part 4: Ultrasonic testing JB/T 9214 Nondestructive testing type A pulse reflection ultrasonic testing system working performance test method JB/T 10062 Ultrasonic flaw detection probe performance test method NB/T 47013:3-2015 Nondestructive testing of pressure equipment Part 3: Ultrasonic testing NB/T 47013:10-2015 Nondestructive testing of pressure equipment Part 10: Diffraction time-of-flight ultrasonic testing3 Terms and definitionsThe terms and definitions defined in NB/T 47013:10-2015 and the following apply to this document: 3:1 Inclusion Foreign matter remaining in a hot melt welded joint after welding: Note: Such as mud, weeds, metal shavings, etc: 3:2 hole Internal holes in the weld joint formed due to shrinkage holes, pores, etc: during hot melt welding: 3:3 crack Cracks in hot melt welded joints caused by material shrinkage or stress during hot melt welding: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 33488.5-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 33488.5-2024_English as soon as possible, and keep you informed of the 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