GB/T 45447-2025Revert materials for cast superalloy (English PDF)

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

GB/T 223

GB/T 11261

GB/T 14992

GB/T 20123

GB/T 20124

GB/T 20127

GB/T 32548

GB/T 36164

GB/T 38939

GB/T 45450

GB/T 45448-2025

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.