GB/T 25390-2024 English PDFUS$439.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 25390-2024: Wind energy generation systems - Spheroidal graphite cast iron for wind turbines Status: Valid GB/T 25390: Historical versions
Basic dataStandard ID: GB/T 25390-2024 (GB/T25390-2024)Description (Translated English): Wind energy generation systems - Spheroidal graphite cast iron for wind turbines Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: F11 Classification of International Standard: 27.180 Word Count Estimation: 22,299 Date of Issue: 2024-04-25 Date of Implementation: 2024-11-01 Older Standard (superseded by this standard): GB/T 25390-2010 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 25390-2024: Wind energy generation systems - Spheroidal graphite cast iron for wind turbines---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 27:180 CCSF11 National Standards of People's Republic of China Replace GB/T 25390-2010 Wind power generation system wind turbine ductile iron castings Released on 2024-04-25 2024-11-01 Implementation State Administration for Market Regulation The National Standardization Administration issued Table of ContentsPreface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Ductile iron grades and classification methods for wind turbines 2 5 Order Information 2 5:1 Ordering information 2 5:2 Special requirements 2 6 Technical Requirements 2 6:1 General Principles 2 6:2 Ferritic pearlite ductile iron for wind turbines 2 6:3 Solid solution strengthened ferritic ductile iron for wind turbines 5 6:4 Appearance quality requirements 6 6:5 Bug Fixes 6 6:6 Magnetic Particle Testing (MT) Requirements 8 6:7 Ultrasonic non-destructive testing (UT) requirements 8 6:8 Dimensional and weight tolerances of castings 12 7 Test methods 12 7:1 Material test methods 12 7:2 Nondestructive testing 13 7:3 Appearance inspection 13 7:4 Dimension detection 13 7:5 Casting weight 13 8 Inspection rules 13 8:1 Inspection category 13 8:2 Factory Inspection 13 9 Marking, preservation, packaging, transportation and storage 14 9:1 Casting Marking 14 9:2 Anticorrosion 14 9:3 Packaging, storage and transportation 14 10 Factory quality certificate 14 Appendix A (Informative) Solid solution strengthened ferritic ductile iron QT500-14 15 References 16ForewordThis 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 replaces GB/T 25390-2010 "Spheroidal graphite castings for wind turbine generator systems": In addition to structural adjustments and editorial changes, the main technical changes are as follows: a) The definition of "ductile iron" has been changed (see 3:1, 3:1 of the:2010 edition); b) Deleted some terms (see 3:2~3:4 of the:2010 edition); c) Added the terms "side-by-side test blocks", "solid solution strengthening", "solid solution strengthening ferritic ductile iron" and "slag" (see 3:2 to 3:5); d) The content of the grades and classification methods in Chapter 4 has been changed (see Chapter 4, Chapter 4 of the:2010 edition); e) Changed the relevant contents of "Ordering Information" (see Chapter 5, Chapter 5 of the:2010 Edition); f) Added general provisions in technical requirements (see 6:1); g) The performance and requirements of "ductile iron for wind turbine generator sets" have been changed: (See 6:2, 6:1 of the:2010 edition); h) Changed the content of Table 1, added the tensile properties of QT400-18L-1, QT400-18L-2, QT450-1L, QT500-7, deleted Test block types and examples of applicable parts, elongation is changed to elongation after fracture (see Table 1, Table 1 of the:2010 edition); i) Changed the content of Table 2 and deleted the requirements for test block type and thickness (see Table 2, Table 2 of the:2010 edition); j) Deleted the content related to “high index mechanical property requirements” (see 6:1:3:2 of the:2010 edition); k) Changed the requirements for “ferritic pearlite ductile iron castings for wind turbines” (see 6:2, 6:2 of the:2010 edition); l) Added tensile properties, hardness and metallographic requirements for QT450-18, QT500-14 and QT600-10 (see Table 5 to Table 7); m) Added the requirement of “defect repair” (see 6:5); n) Changed the "Requirements for magnetic particle inspection" (see 6:6, 6:4 of the:2010 edition); o) Changed the acceptance criteria for ultrasonic nondestructive testing defect requirements (see 6:7, Tables 9 to 12, 6:3, Tables 4 to 12 of the:2010 edition) table 5); p) Added tensile properties, hardness and metallographic requirements for QT450-18, QT500-14 and QT600-10 (see Table 5 to Table 7); q) The test requirements for tensile strength, yield strength and elongation after fracture have been changed (see 7:1:2, 7:1:2 of the:2010 edition); r) The method of magnetic particle testing has been changed, and the requirements for equipment, magnetic particles and reports have been deleted (see 7:2:2, 7:2:3 of the:2010 edition); s) Changed the requirements for ultrasonic testing (see 7:2:3, 7:2:2 of the:2010 edition); t) The dimension inspection method has been changed (see 7:4, 7:4 of the:2010 edition): 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 Machinery Industry Federation: This document is under the jurisdiction of the National Technical Committee for Standardization of Wind Power Generation (SAC/TC50): This document was drafted by: Goldwind Science & Technology Co:, Ltd:, Jinlei Technology Co:, Ltd:, China Three Gorges Corporation, Da Energy Technology Group Co:, Ltd:, Beijing Goldwind Technology Wind Power Equipment Co:, Ltd:, Ningbo Rixing Foundry Co:, Ltd:, Harbin Electric Wind Energy Co:, Ltd: Co:, Ltd:, Shanghai Electric Wind Power Group Co:, Ltd:, Mingyang Smart Energy Group Co:, Ltd:, CSSC Offshore Wind Power Co:, Ltd:, China Quality Quality Certification Center, Dongfang Electric Wind Power Co:, Ltd:, Shanghai Energy Technology Development Co:, Ltd:, Jiangsu Goldwind Technology Co:, Ltd:, Delijia Transmission Technology (Jiangsu) Co:, Ltd:, Jiangsu Jixin Wind Energy Technology Co:, Ltd:, Beijing Jianheng Certification Center Co:, Ltd:, Shaanxi Chai Oil Machinery Heavy Industry Co:, Ltd:, Sany Heavy Energy Co:, Ltd:, Dalian Huarui Heavy Industry Casting Co:, Ltd:, Jiangxi Huawu Brake Co:, Ltd: Co:, Ltd:, Beijing Huizhi Tianhua New Energy Technology Co:, Ltd:, Tongyu Heavy Industry Co:, Ltd:, Shandong Haomai Machinery Technology Co:, Ltd:, China China Three Gorges New Energy (Group) Co:, Ltd:, Huaneng Zhanjiang Wind Power Co:, Ltd:, Guodian United Power Technology Co:, Ltd:, Shanghai Haiwan New Energy Wind Power Co:, Ltd: The main drafters of this document are: Wan Shuxiong, Yu Xuru, Wang Yiqun, Shen Fengya, Liu He, Zhao Yifeng, Tang Bin, Li Zhonglin, Lin Liyuan, Zou Libing, Fu Qianqian, Cao Mengnan, Ma Li, Yan Dongmiao, Zhang Bangqiang, Yang Rongchang, Cao Mengnan, Wang Dongya, Shen Jian, Wang Weiguo, Li Wei, Zhou Weibing, Zhao Yueguang, Wang Huibing, Li Zhen, Liu Shengyang, Xun Guangtao, Li Zhi, Chen Danghui, Huang Liankai, Shao Jianhua, Gao Dongxing, Zhang Lin, Gao Bin, Miao Yabing, Liu Jingbo, Wang Minggang, Wang Lei, Zhao Weilong, Wang Meixi, and Zhang Zhiwei: This document was first published in:2010 and this is the first revision: Wind power generation system wind turbine ductile iron castings1 ScopeThis document specifies the grades and classifications, order information, technical requirements, test methods, inspection specifications, etc: of ductile iron castings for wind turbines: Rules, marking, preservation, packaging, transportation and storage: This document applies to the manufacture, inspection and acceptance of ductile iron castings used in wind turbines in wind power generation systems: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 223:3~GB/T 223:74 Chemical analysis methods for steel and alloys GB/T 228:1 Tensile test of metallic materials Part 1: Room temperature test method GB/T 229 Charpy pendulum impact test method for metallic materials GB/T 231 (all parts) Brinell hardness test for metallic materials GB/T 1348 Ductile iron castings GB/T 5611 Casting Terminology GB/T 5612 Method for indicating cast iron grades GB/T 6060:1 Surface roughness comparison specimens Part 1: Casting surface GB/T 6414-2017 Dimensional tolerances, geometrical tolerances and machining allowances of castings GB/T 9441 Metallographic Examination of Ductile Iron GB/T 9444 Magnetic Particle Testing of Steel and Iron Castings GB/T 9445-2015 Qualification and certification of non-destructive testing personnel GB/T 11351-2017 Casting weight tolerance GB/T 15056 Method for evaluating casting surface roughness GB/T 34904 Ultrasonic testing of ductile iron castings3 Terms and definitionsThe terms and definitions defined in GB/T 5611 and the following apply to this document: 3:1 Cast iron with iron, carbon and silicon as basic elements, with carbon mainly in the form of spheroidal graphite: 3:2 Side-by-side cast sample The same gating system is used as the casting, and the test block is cast side by side with the casting: 3:3 The phenomenon that solute atoms dissolve into the metal matrix to form a solid solution, thereby increasing the strength and hardness of the metal: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 25390-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 25390-2024_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 25390-2024?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 25390-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
