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GB/T 46816-2025: Aluminium alloy flange forgings - General specifications
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GB/T 46816-2025: Aluminium alloy flange forgings - General specifications

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ICS 77.120.10 CCSJ32 National Standards of the People's Republic of China General Technical Specifications for Aluminum Alloy Flange Forgings Published on 2025-12-31 Implemented on July 1, 2026 State Administration for Market Regulation The State Administration for Standardization issued a statement.

Table of contents

Preface III 1.Scope 1 2 Normative References 1 3.Terms and Definitions 1 4.Typical structural types and forming processes 2 5.Technical Requirements 3 6.Test Methods 7. 7 Inspection Rules 8 8.Marking, Packaging, Transportation and Storage 9. 9.Quality certification documents Reference 11

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents". Drafting. Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents. This document was proposed and is under the jurisdiction of the National Technical Committee on Forging Standardization (SAC/TC74). This document was drafted by. Shandong Ruiye New Energy Equipment Co., Ltd., Shandong University, and Beijing Institute of Mechanical and Electrical Engineering, China Academy of Machinery Science and Technology. Limited Liability Company, Qianchao Senwei Co., Ltd., Guizhou Aerospace Technology Development Co., Ltd., Guizhou Anda Aviation Forging Co., Ltd., Jingdezhen Mingxing Aviation Forging Co., Ltd., Elite Energy Equipment Co., Ltd., Shandong Taikai High Voltage Switch Co., Ltd., Shanxi Jinrui Guangyuan Heavy Machinery Co., Ltd. Gong Technology Group Co., Ltd., Wuhu Hetian Automobile Industry Co., Ltd., Weiqiao Guoke (Binzhou) Science and Engineering Industry Technology Research Institute Co., Ltd. Company, Jiangsu Longcheng Precision Forging Group Co., Ltd., Baotou Beiben Heavy Truck Axle & Gearbox Co., Ltd., Hubei Sanhuan Forging Co., Ltd., Jiangsu Pacific Precision Forging Technology Co., Ltd., Zhejiang Jiangxin Electromechanical Co., Ltd., Jiangsu Weiying Machinery Co., Ltd., Jiangxi Jinghang Aviation Forging and Casting Co., Ltd., Wuhan Xi'an Jiaotong University, Ningbo Shunyi Precision Manufacturing Co., Ltd., Henan Zhongliming New Materials Co., Ltd., Shandong Ruiye New Materials Limited Liability Company, Shanxi Fuxingtong Heavy Ring Forging Co., Ltd., Jiangyin Zhongnan Heavy Industry Co., Ltd., Anhui Shengda Qianliang Aluminum Co., Ltd., Jiangsu Dayang Precision Forging Co., Ltd., and China Machinery Precision Forming Industry Technology Research Institute (Anhui) Co., Ltd. The main drafters of this document are. Wang Yudi, Li Xuejiao, Wang Guangchun, Qi Xiaogang, Qin Sixiao, Gong Aijun, Zou Chaojiang, Li Wengang, and Cheng Fenghua. Niu Jiazhen, Zheng Shitao, Lan Pengguang, Pan Qijun, Wei Zuoshan, Zhuang Xiaowei, Qiu Yang, Yao Huiting, Yue Yaodong, Lu Xin, Zhang Tailiang, Shen Dongqi, Hua Lin Zhang Qi, Lian Qiang, Chen Yuxiang, Li Xuelian, Yan Pengtao, Chen Zhengdong, Yue Longjun, Song Yinsheng, Jin Kang, Liu Heng, Wu Tao, Shi Yiqing, Liu Qingsheng, Yuan Haibing Yang Lianghui, Su Hai, Zhang Dongjing, Zhang Dandan, Li Yafei, Chen Peng, Hu Baili, Zheng Yunzhi, Wang Ling, Yang Yue, Tao Liping, Li Jiancheng, Zhang Koubao, Wang Tongchao, Hu Zhili, Zhang Dawei, Liu Xinfeng, Yu Chao, Yan Jiangtao, Xu Xinghong, Song Jian, Ding Jingen. General Technical Specifications for Aluminum Alloy Flange Forgings

1 Scope

This document specifies the typical structural types, forming processes, technical requirements, test methods, inspection rules, and markings for aluminum alloy flange forgings. Packaging, transportation and storage, and quality certification documents. This document applies to the manufacture of aluminum alloy flange forgings.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document. GB/T 228.1 Metallic materials – Tensile testing – Part 1.Test method at room temperature GB/T 229 Metallic materials Charpy impact test method GB/T 231.1 Metallic materials – Brinell hardness test – Part 1.Test method GB/T 2828 (All Parts) Sampling Inspection Procedures by Attributes GB/T 2829 Periodic inspection sampling procedures and tables (applicable to the inspection of process stability) GB/T 3190 Chemical composition of wrought aluminum and aluminum alloys GB/T 3199 Packaging, marking, transportation and storage of aluminum and aluminum alloy processed products GB/T 3246 (all parts) - Test methods for microstructure of wrought aluminum and aluminum alloy products GB/T 6519 Ultrasonic Testing Methods for Wrought Aluminum and Magnesium Alloy Products GB/T 7999 Direct-reading photoelectric emission spectroscopic analysis method for aluminum and aluminum alloys GB/T 8005 (all parts) Terminology for Aluminum and Aluminum Alloys GB/T 8541 Forging Terminology GB/T 8545 Aluminum Alloy Forgings GB/T 12966 Eddy Current Test Method for Conductivity of Aluminum and Aluminum Alloys GB/T 16865 Test specimens and methods for tensile testing of wrought aluminum, magnesium and their alloys GB/T 17432 Sampling Methods for Chemical Composition Analysis of Wrought Aluminum and Aluminum Alloys GB/T 18851 (all parts) Nondestructive testing - Penetrant testing GB/T 22639 Test method for exfoliation corrosion of aluminum alloy products

3 Terms and Definitions

The terms and definitions defined in GB/T 8005 (all parts) and GB/T 8541, as well as the following terms and definitions, apply to this document. 3.1 Flange blanks are produced by forging wrought aluminum alloys. 3.2 The process of forming forgings by combining upsetting, punching and rolling. ...