GB/T 45447-2025 English PDF

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GB/T 45447-2025: Revert materials for cast superalloy
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 45447-2025	199	Add to Cart	3 days	Revert materials for cast superalloy	Valid

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Basic data

Standard ID: GB/T 45447-2025 (GB/T45447-2025)
Description (Translated English): Revert materials for cast superalloy
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H59
Classification of International Standard: 77.140.99
Word Count Estimation: 10,166
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 45447-2025: Revert materials for cast 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 casting 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., AECC Beijing Institute of Aeronautical Materials, Metallurgical Industry Information Standards Institute of Metal Research, Chinese Academy of Sciences, Beijing Gangyan Gaona Technology Co., Ltd., AVIC Shangda High Temperature Alloy Materials Co., Ltd. Jiangsu Metlink Special Alloy Co., Ltd., Jiangsu Longda Super Alloy Aviation Materials Co., Ltd., Jiangsu Qina New Materials Technology Co., Ltd. Department, Shanghai Customs Industrial Products and Raw Materials Testing Technology Center. The main drafters of this document are. Liu Gang, Zha Yukui, Zhang Huaxia, Wang Lin, Zhou Yizhou, Wang Kai, Feng Wenjing, Deng Jun, Wang Bo, Yan Chengming, Jin Kaifeng, Wang Biao, Dong Tianxiang, Yang Yanhong, Zhang Fengxiang, Cui Limin, Shang Huiliang. Recycled casting 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 applies to recycled high-temperature alloy raw materials used as raw materials when melting and casting high-temperature alloys. Other casting alloys (such as The recycled raw materials of corrosion-resistant alloys, cast cobalt-chromium-molybdenum alloys for surgical implants, etc. shall be implemented in accordance with 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 45450 Terminology and classification of recycled high-temperature alloy raw materials GB/T 45448-2025 Recycled deformed 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 casting high-temperature alloy raw materials shall comply with the provisions of GB/T 45450.Different categories of recycled casting high-temperature alloys See Figures A.1 and A.2 for schematic diagrams of the raw material processing flow. 5.Order Content The contract or order for secondary casting high temperature alloy raw materials in accordance with this document shall contain the following. ......

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