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Aerospace - Surface treatment of hardenable stainless steel parts
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Basic data
| Standard ID | GB/T 43376-2023 (GB/T43376-2023) |
| Description (Translated English) | Aerospace - Surface treatment of hardenable stainless steel parts |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | V18 |
| Classification of International Standard | 49.040 |
| Word Count Estimation | 15,139 |
| Date of Issue | 2023-11-27 |
| Date of Implementation | 2024-03-01 |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 43376-2023: Aerospace - Surface treatment of hardenable stainless steel parts
---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 49:040
CCSV18
National Standards of People's Republic of China
Aerospace
Heat treatable to strengthen surface cleaning of stainless steel parts
(ISO 8075:1985,MOD)
Published on 2023-11-27
2024-03-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Table of contents
PrefaceⅠ
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Technical requirements 1
4:1 Surface cleaning before thermal processing 2
4:2 Surface cleaning after final processing 2
4:3 Quality requirements 2
4:4 Quality inspection 2
5 Packaging requirements 3
Appendix A (informative) Structural changes of this document compared with ISO 8075:1985 4
Appendix B (informative) Technical differences between this document and ISO 8075:1985 and their reasons 6
Appendix C (normative) Removal of organic pollutants 7
Appendix D (normative) Removal of metal and inorganic contaminants 8
Appendix E (normative) Surface brightening treatment 10
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:
This document has been modified to adopt ISO 8075:1985 "Surface Cleaning of Heat-Treatable and Strengthened Stainless Steel Parts for Aerospace":
Compared with ISO 8075:1985, this document has many structural adjustments: Comparison list of structure number changes between the two files
See Appendix A:
Compared with ISO 8075:1985, this document has many technical differences: Vertical single words are used in the outer margins of the clauses involved:
The line (︱) is marked: A list of these technical differences and their causes is provided in Appendix B:
The following editorial changes have been made to this document:
---Added references:
Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents:
This document is proposed and coordinated by the National Aircraft Standardization Technical Committee (SAC/TC435):
This document was drafted by: Hefei Jianghang Aircraft Equipment Co:, Ltd:, Yonghong Tongdao (Beijing) Technology Development Co:, Ltd:, Harbin Engineering
University of Technology, AVIC Xi'an Aircraft Industry Group Co:, Ltd:, Chengdu Kaitian Electronics Co:, Ltd:, China Aviation Technology Research Institute,
Shenyang Aircraft Industry (Group) Co:, Ltd:, AVIC South China Aircraft Industry Co:, Ltd:, and Chengdu Runbo Technology Co:, Ltd:
The main drafters of this document: Zhang Chunfeng, Yang Bao, Liu Wenbiao, Zhao Jing, Ren Xiujun, Wang Shuqi, Jiang Haibin, Tong Hongxia, Ren Haitao, Wang Bing,
Wu Houtian, Shi Weilin, You Yuliang, Wei Weidong, Yang Zhixu, Shen Xiaoning, Wang Yongmei, Liu Shu, Chen Suming, Meng Baoli, Zhu Jun, Wu Bingwei, Wang Yongqiang,
Zhou Mingjun:
Aerospace
Heat treatable to strengthen surface cleaning of stainless steel parts
1 Scope
This document specifies the technical requirements and packaging requirements for surface cleaning of heat-treatable reinforced stainless steel parts during the manufacturing process:
This document is applicable to the surface cleaning of martensitic, precipitation hardening and maraging stainless steel parts, and the surface cleaning of austenitic stainless steel parts:
Implement by reference:
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document:
GB/T 337:1 Industrial nitric acid Concentrated nitric acid
GB/T 625 Chemical Reagent Sulfuric Acid
GB/T 665 Chemical reagent anhydrous copper sulfate (II) (copper sulfate)
GB/T 6026 Acetone for industrial use
GB/T 7744 Industrial hydrofluoric acid
GB/T 12609 Sampling procedures for counting and inspection of electrodeposited metal coverings and related finishes
GB 21900 Electroplating Pollutant Emission Standard
3 Terms and definitions
The following terms and definitions apply to this document:
3:1
The structure of stainless steel can be transformed through heat treatment to generate phases with strengthening effects, thereby obtaining the desired strength:
Stainless steel:
Note: Stainless steel usually includes martensitic stainless steel (such as 2Cr13), precipitation hardened stainless steel (such as 0Cr13Ni8Mo2Al) and maraging stainless steel (such as
3:2
surface cleaningsurfacecleaning
Use mechanical or chemical methods to remove pollutants (including organic pollutants, metals and inorganic pollutants) on the surface of materials and parts (components)
the process of:
4 Technical requirements
Warning: The methods specified in D:2:3, D:2:4 and Appendix E can remove important surface materials: These removal methods should be used with caution to satisfy
Meet final size requirements:
...
