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GB/T 45448-2025: Revert materials for wrought superalloy
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 45448-2025 | English | 279 |
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Revert materials for wrought superalloy
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GB/T 45448-2025
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Basic data | Standard ID | GB/T 45448-2025 (GB/T45448-2025) | | Description (Translated English) | Revert materials for wrought superalloy | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H59 | | Classification of International Standard | 77.140.99 | | Word Count Estimation | 14,168 | | Date of Issue | 2025-03-28 | | Date of Implementation | 10/1/2025 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 45448-2025: Revert materials for wrought superalloy---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 77.140.99
CCSH59
National Standard of the People's Republic of China
Recycled deformed high temperature alloy raw materials
Released on 2025-03-28
2025-10-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Foreword
This 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.
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 Iron and Steel Association.
This document is under the jurisdiction of the National Technical Committee on Steel Standardization (SAC/TC183).
This document was drafted by. Beijing Bermuda Alloy Co., Ltd., Metallurgical Industry Information Standards Research Institute, Fushun Special Steel Co., Ltd.
China Aerospace Science and Technology Corporation, Beijing Institute of Aeronautical Materials, Beijing Steel Research Institute Gaona Technology Co., Ltd., Institute of Metal Research, Chinese Academy of Sciences, Panzhihua Iron and Steel Group
Jiangyou Great Wall Special Steel Co., Ltd., Baowu Special Metallurgy Co., Ltd., Steel Research Institute Nake Testing Technology Co., Ltd., AVIC Shangda High Temperature Alloy
Jin Material Co., Ltd., Jiangsu Longda Super Alloy Aviation Materials Co., Ltd., Jiangsu Metlink Special Alloy Co., Ltd., China Aviation
Industrial Supply and Marketing Co., Ltd., Shanghai Customs Industrial Products and Raw Materials Testing Technology Center.
The main drafters of this document are. Liu Gang, Zha Yukui, Zhi Huibo, Wang Lin, Yu Ang, Qu Jinglong, Sun Yuan, Chou Yingyu, Xia Changlin, Hou Zhipeng, Li Ning,
Sun Xiaofei, Wang Shipu, Yu Lianxu, Li Fan, Yan Chengming, Dong Tianxiang, Yu Teng, Shao Jinxin, Li Xinxu, Shang Huiliang.
Recycled deformed high temperature alloy raw materials
1 Scope
This document specifies the classification and grading, ordering content, technical requirements, packaging, marking, transportation, storage and
The contents of quality certificates, etc. describe the test methods and establish inspection rules.
This document is applicable to the recycled deformed high temperature alloy raw materials used as raw materials when melting deformed high temperature alloys.
When alloys are formed by processing methods (such as precision alloys, corrosion-resistant alloys, etc.), their recycled raw materials shall refer to this document.
2 Normative references
The 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 223 (all parts) Chemical analysis methods for steel and alloys
GB/T 11261 Determination of oxygen content of iron and steel - Pulse heating inert gas fusion - infrared absorption method
GB/T 14992 Classification and designation of high temperature alloys and intermetallic compound high temperature materials
GB/T 20123 Determination of total carbon and sulfur content of steel - Infrared absorption method after combustion in a high-frequency induction furnace (conventional method)
GB/T 20124 Determination of nitrogen content in steel - Inert gas fusion thermal conductivity method (conventional method)
GB/T 20127 (all parts) Determination of trace elements in steel and alloys
GB/T 32548 Determination of tin, antimony, cerium, lead and bismuth in iron and steel - Inductively coupled plasma mass spectrometry
GB/T 36164 Determination of multi-element content in high alloy steel - X-ray fluorescence spectrometry (conventional method)
GB/T 38939 Determination of multi-element content in nickel-based alloys Spark discharge atomic emission spectrometry (conventional method)
GB/T 39733-2024 Recycled steel raw materials
GB/T 45450 Terminology and classification of recycled high-temperature alloy raw materials
HB5220 (all parts) Chemical analysis methods for high temperature alloys
HB20241 (all parts) Spectroscopic analysis method for chemical composition of high temperature alloys
3 Terms and definitions
The terms and definitions defined in GB/T 45450 apply to this document.
4 Classification and grading
The classification and grading of recycled high-temperature alloy raw materials shall comply with the provisions of GB/T 45450.
See Appendix A for a schematic diagram of the processing flow of warm alloy raw materials.
5.Order Content
The contract or order for recycled wrought high-temperature alloy raw materials in accordance with this document shall contain the following.
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