GB/T 45448-2025Revert materials for wrought 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., 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

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 39733-2024

GB/T 45450

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.