GB/T 32255-2025 English PDFUS$399.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 32255-2025: General martensitic stainless steel and alloy steel castings suitable for high temperature and high pressure service Status: Valid GB/T 32255: Historical versions
Basic dataStandard ID: GB/T 32255-2025 (GB/T32255-2025)Description (Translated English): General martensitic stainless steel and alloy steel castings suitable for high temperature and high pressure service Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: J31 Classification of International Standard: 77.140.80 Word Count Estimation: 19,159 Date of Issue: 2025-05-30 Date of Implementation: 2025-12-01 Older Standard (superseded by this standard): GB/T 32255-2015 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 32255-2025: General martensitic stainless steel and alloy steel castings suitable for high temperature and high pressure service---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 77.140.80 CCSJ31 National Standard of the People's Republic of China Replace GB/T 32255-2015 General purpose castings for high temperature and pressure-bearing martensitic stainless steel and alloy steel Released on 2025-05-30 2025-12-01 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 2 4 Manufacturing 2 5 Technical Requirements 2 6 Test methods 7 7 Inspection Rules 8 8 Labelling, quality certification, storage, packaging and transportation 9 Appendix A (Informative) Additional Requirements 11 Appendix B (Informative) Comparison of domestic and foreign high temperature pressure martensitic stainless steel and alloy steel general casting grades 12 Appendix C (Informative) Nominal creep properties of some grades of castings 13 Appendix D (Informative) Welding Conditions 14 Reference 15ForewordThis 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 32255-2015 "General purpose castings of high temperature pressure-bearing martensitic stainless steel and alloy steel" and is compatible with GB/T 32255- Compared with.2015, in addition to structural adjustments and editorial changes, the main technical changes are as follows. a) The scope has been changed (see Chapter 1, Chapter 1 of the.2015 edition); b) Added manufacturing requirements (see Chapter 4); c) The technical requirements have been changed (see Chapter 5, Chapter 3 of the.2015 edition); d) The inspection and test methods have been changed (see Chapter 6, Chapter 4 of the.2015 edition); e) The inspection rules have been changed (see Chapter 7, Chapter 5 of the.2015 edition); f) Changes have been made to labeling, quality certification, storage, packaging and transportation (see Chapter 8, Chapter 6 of the.2015 edition); g) The heat treatment temperature of castings has been changed (see 5.3, Appendix A of the.2015 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 and this standard are proposed and coordinated by the National Technical Committee for Foundry Standardization (SAC/TC54). This document was drafted by. Jiangsu Wanheng New Materials Technology Co., Ltd., Jiangsu Xingyuan Power Plant Metallurgical Equipment Manufacturing Co., Ltd., Sanming Jin Sheng Special Steel Co., Ltd., Sanming Yijun Machinery Casting Co., Ltd., Anhui Benli Machinery Parts Manufacturing Co., Ltd., CGN Engineering Co., Ltd. Company, China Machinery Engineering Institute Group Shenyang Foundry Research Institute Co., Ltd., Shanghai Steam Turbine Works Co., Ltd., Harbin Large Electric Motor Research Institute Co., Ltd. Company, Erzhong (Deyang) Heavy Equipment Co., Ltd., Chengde Rongmao Cast Steel Co., Ltd., Xiangyang Jinnaite Machinery Co., Ltd., Tongyu Heavy Industry Co., Ltd., Taigang Alloy (Zhongshan) Co., Ltd., Sichuan Jinlei Heavy Industry Co., Ltd., Hangzhou Fenghe Petroleum Technology Co., Ltd., Zhejiang Suijin Special Casting Co., Ltd., Shandong Heavy Equipment Testing Technology Co., Ltd., Yantai Standard Metrology Inspection and Testing Center, Jinbaolai Pipeline System Jiangsu Tong Co., Ltd., Shanxi Anderui Protective Equipment Co., Ltd., Guangdong Hengji Metal Co., Ltd., Harbin Engineering University, Hebei University of Technology University of Science and Technology, Ludong University, Tongling University, Hebei Jinguang Auto Parts Co., Ltd., Laiwu Anbang Metallurgical Equipment Co., Ltd., Jiangsu Yingliu Machinery Co., Ltd. Machinery Manufacturing Co., Ltd., Forestry (Guangdong) Intelligent Equipment Co., Ltd., Wuxi Yuanlong Metal Products Co., Ltd., CSSC Shuangrui (Luoyang) Special Equipment Co., Ltd. and Zhejiang Shuoyang Machinery Co., Ltd. The main drafters of this document are. Cao Qiao, Zhang Huandong, Cui Lanfang, Wu Tieming, Zhu Guowei, Chen Shengqian, Liu Yuanyi, Xin Xiaoqiang, Wang Qingyu, Shuai Dejun, Chen Yatao, Qiao Mu, Cheng Jingchang, Su Zhidong, Zhang Yang, Zhang Zhongwu, Wang Jinghui, Jiang Yanfei, Sun Jian, Jiao Jinguo, Gao Changyou, Xiao Zhangyu, Liu Xianyou, Ma Zhengqiang, Sun Zhibiao, Fan Yalintong, Li Liwei, Luo Xiangwen, Yu Ze, Luo Tianyu, Zhang Jianxiong, Chen Junli, Li Junpeng, Qi Limin, Lu Chenming, Zhang Sheng, Gao Yunhua, Chen Weiqiu, Huang Feihong, Xu Wenhao. This document was first published in.2015 and this is the first revision. General purpose castings for high temperature and pressure-bearing martensitic stainless steel and alloy steel1 ScopeThis document specifies the manufacturing, technical requirements, testing and Methods, inspection rules and markings, quality certificates, storage, packaging and transportation. This document is applicable to the manufacturing and quality inspection of casting valves, flanges, cylinders, etc. used under working temperature not higher than 620℃. Other high temperature pressure-bearing castings are used for reference.2 Normative referencesThe contents of the following documents constitute 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 222 Permissible deviation of chemical composition of finished steel products GB/T 223.3 Methods for chemical analysis of iron, steel and alloys - Diantipyryl methane phosphomolybdic acid gravimetric method for the determination of phosphorus content GB/T 223.4 Determination of manganese content in steel and alloys - Potentiometric titration or visual titration method GB/T 223.5 Determination of acid-soluble silicon and total silicon content of iron and steel - Reduced molybdenum silico-silicic acid spectrophotometric method GB/T 223.9 Determination of aluminum content in steel and alloys - Chrome azurol S spectrophotometric method GB/T 223.11 Determination of chromium content in steel and alloys Visual titration or potentiometric titration method GB/T 223.14 Chemical analysis methods for iron, steel and alloys - Tantalum extraction spectrophotometric method for determination of vanadium content GB/T 223.18 Chemical analysis methods for iron, steel and alloys - Sodium thiosulfate separation-iodine titration method for the determination of copper content GB/T 223.22 Methods for chemical analysis of iron, steel and alloys - Nitrosyl R salt spectrophotometric method for the determination of cobalt content GB/T 223.23 Determination of nickel content in steel and alloys - Dimethylglyoxime spectrophotometric method GB/T 223.25 Methods for chemical analysis of iron, steel and alloys - Dimethylglyoxime gravimetric method for the determination of nickel content GB/T 223.26 Determination of molybdenum content in steel and alloys - Thiocyanate spectrophotometric method GB/T 223.28 Chemical analysis methods for iron, steel and alloys - α-Benzoin oxime gravimetric method for determination of molybdenum content GB/T 223.30 Chemical analysis methods for iron, steel and alloys - Determination of arsenazo III by precipitation separation with bromomandelic acid Zirconium content GB/T 223.36 Chemical analysis methods for iron, steel and alloys - Separation by distillation - Neutralization titration method for determination of nitrogen content GB/T 223.40 Determination of niobium content in iron, steel and alloys - Chlorosulfonphenol S spectrophotometric method GB/T 223.43 Determination of tungsten content in steel and alloys - Gravimetric and spectrophotometric methods GB/T 223.58 Methods for chemical analysis of iron, steel and alloys - Sodium arsenite-sodium nitrite titration method for the determination of manganese content GB/T 223.59 Determination of phosphorus content in iron, steel and alloys - Bismuth phosphomolybdenum blue spectrophotometric method and antimony phosphomolybdenum blue spectrophotometric method GB/T 223.60 Determination of silicon content in steel and alloys by gravimetric method GB/T 223.63 Determination of manganese content in iron, steel and alloys - Sodium (potassium) periodate spectrophotometric method GB/T 223.65 Determination of cobalt content in steel and alloys - Flame atomic absorption spectrometry GB/T 223.67 Determination of sulfur content in steel and alloys - Methylene blue spectrophotometric method GB/T 223.69 Determination of carbon content in steel and alloys - Gas volumetric method after combustion in a tube furnace GB/T 223.75 Determination of boron content in steel and alloys - Methanol distillation-curcumin photometric method ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 32255-2025_English be delivered?Answer: Upon your order, we will start to translate GB/T 32255-2025_English as soon as possible, and keep you informed of the progress. 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