GB/T 6803-2023 English PDFUS$369.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 6803-2023: Test method for drop-weight test to determine nil-ductility transition temperature of ferritic steels Status: Valid GB/T 6803: Historical versions
Basic dataStandard ID: GB/T 6803-2023 (GB/T6803-2023)Description (Translated English): Test method for drop-weight test to determine nil-ductility transition temperature of ferritic steels Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: H22 Classification of International Standard: 77.040.10 Word Count Estimation: 18,120 Date of Issue: 2023-12-28 Date of Implementation: 2024-07-01 Older Standard (superseded by this standard): GB/T 6803-2008 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 6803-2023: Test method for drop-weight test to determine nil-ductility transition temperature of ferritic steels---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 77:040:10 CCSH22 National Standards of People's Republic of China Replace GB/T 6803-2008 Drop weight test method for non-plastic transition temperature of ferritic steels Published on 2023-12-28 2024-07-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee Table of contentsPreface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Principle 1 5 Sample 1 6 Test equipment 3 7 Test requirements 5 8 Test procedure 6 9 Test result evaluation 7 10 Test Report 9 Appendix A (normative) Drop weight auxiliary specimen dimensions and test conditions 10 Appendix B (Informative) Butt welded joint drop weight specimen 11 Reference 12ForewordThis document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting: This document replaces GB/T 6803-2008 "Drop weight test method for non-plastic transition temperature of ferritic steels" and is consistent with GB/T 6803-2008 In comparison, in addition to structural adjustments and editorial changes, the main technical changes are as follows: ---The test principle has been changed (see Chapter 4, Chapter 3 of the:2008 edition); ---Changed the yield strength range and impact energy range of the drop weight test (see Table 3, Table 3 of the:2008 version); ---Added requirements for testing machine calibration (see 6:7): Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents: This document is proposed by the China Iron and Steel Industry Association: This document is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183): This document was drafted by: Hefei General Machinery Research Institute Co:, Ltd:, Jiangyin Xingcheng Special Steel Co:, Ltd:, Harbin Boiler Factory Co:, Ltd: Responsible company, Jiangsu Chengxin Inspection, Testing and Certification Co:, Ltd:, Shenzhen Sansi Zongheng Technology Co:, Ltd:, Erzhong (Deyang) Heavy Equipment Equipment Co:, Ltd:, Metallurgical Industry Information Standards Research Institute: The main drafters of this document: Zhang Xiaohu, Lu Daiding, Qi Xiaoguang, Sun Jiaxin, Gan Meilu, Liang Tingfeng, Guan Hongliang, Dong Li, Chen Yong, Zhang Ming, Rao Liwen, Zhang Qiang, Hou Huining, Ke Yang, Wang Shuqiang: This document was first published in 1986, revised for the first time in:2008, and this is the second revision: Drop weight test method for non-plastic transition temperature of ferritic steels1 ScopeThis document specifies the principles, specimens, test equipment, test requirements, and test procedures of the non-plastic transition temperature drop weight test method for ferritic steels: Procedure, test result evaluation and test report: This document is suitable for determining the non-plastic transformation of ferritic steel products (including plates, profiles, cast steel and forged steel) with a thickness of not less than 12mm: Change temperature:2 Normative reference documentsThe contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document: GB/T 984 surfacing electrode GB/T 2975 Sampling location and sample preparation for mechanical property testing of steel and steel products JJF1445 Calibration specification for drop weight impact testing machine3 Terms and definitionsThe following terms and definitions apply to this document: 3:1 ferritic steelferriticsteel All α-Fe steels: Note: Including martensite, pearlite, bainite and other non-austenitic steels: 3:2 The maximum temperature at which the specimen breaks when the drop weight test is carried out in accordance with the provisions of this method:4 PrinciplesEach of a set of specimens of a given ferritic steel material is subjected to a single drop weight impact load at a selected temperature: Make the sample produce a fixed deflection, and measure the maximum temperature when the sample breaks, that is, the no-plastic transition (NDT) temperature:5 samples5:1 Sampling location and direction of specimens 5:1:1 When taking samples from steel plates or profiles, the sampling location and direction should be in accordance with relevant product standards or agreements; if there is no provision, the sampling location and direction should be in accordance with According to the provisions of GB/T 2975, the cutting direction of the steel plate blank should be transverse: Unless otherwise specified, the specimens for drop weight specimens shall be taken from other mechanical Nearby location of performance specimen: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 6803-2023_English be delivered?Answer: Upon your order, we will start to translate GB/T 6803-2023_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 6803-2023?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 6803-2023 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. |