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GB/T 22561-2023: Vacuum heat treatment
Status: Valid GB/T 22561: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 22561-2023 | English | 359 |
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Vacuum heat treatment
| Valid |
GB/T 22561-2023
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| GB/T 22561-2008 | English | 679 |
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Vacuum heat treatment
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GB/T 22561-2008
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PDF similar to GB/T 22561-2023
Basic data | Standard ID | GB/T 22561-2023 (GB/T22561-2023) | | Description (Translated English) | Vacuum heat treatment | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J36 | | Classification of International Standard | 25.200 | | Word Count Estimation | 17,139 | | Date of Issue | 2023-05-23 | | Date of Implementation | 2023-12-01 | | Older Standard (superseded by this standard) | GB/T 22561-2008 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 22561-2023: Vacuum heat treatment---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 25:200
CCSJ36
National Standards of People's Republic of China
Replacing GB/T 22561-2008
vacuum heat treatment
Released on 2023-05-23
2023-12-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Process classification and code 2
5 Equipment Technical Requirements 2
6 Process and process specification 4
7 Quality Control and Inspection 5
8 Safety, health and environmental protection 6
9 Energy consumption6
10 Personnel Requirements 6
11 Product records and reports 6
Appendix A (Informative) The maximum allowable pressure rise rate of commonly used metal materials during vacuum heat treatment8
Appendix B (informative) The maximum permissible temperature at which common metal materials can contact each other without bonding under vacuum9
Appendix C (Informative) Reference Data for Vacuum Heat Treatment of Commonly Used Metal Materials 10
Appendix D (informative) Determination method of heating lag time 12
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:
This document replaces GB/T 22561-2008 "Vacuum Heat Treatment": Compared with GB/T 22561-2008, except for structural adjustment and editorial
Besides the changes, the main technical changes are as follows:
a) Added the terms "vacuum working pressure" and "quenching transfer time" (see 3:4, 3:6), and deleted the term "vacuum corrosion" (see:2008
version 3:4);
b) Change the vacuum heating chamber (see 5:1:1, 5:1:1 of the:2008 edition), pressure rise rate measurement (see 5:1:5, 5:1:6 of the:2008 edition),
Vacuum furnace working volume (see 5:1:3, 5:1:4 of the:2008 edition) and "temperature measurement" "temperature uniformity and system accuracy measurement"
requirements (see 5:1:6, 5:1:7, 5:1:8 of the:2008 edition);
c) The requirements for vacuum quenching furnaces have been changed (see 5:1:11, 5:1:12 of the:2008 edition), and the calibration of vacuum detectors has been added (see
5:1:4), overload (overweight) alarm (see 5:1:13) and quenching transfer time requirements (see 5:1:14);
d) Changes to fixtures (see 6:1:3, 6:1:2:2 of the:2008 edition), vacuum pressure (see 6:2:2, 6:3:2 of the:2008 edition), tooling
Sectional preheating method (see 6:2:3, 6:3:3 of the:2008 edition), cooling medium (see 6:4:1, 5:3 of the:2008 edition), gas quenching (see
6:4:3, 6:5:2 of the:2008 edition) and requirements for baking and cleaning (see 6:5, 6:6 of the:2008 edition);
e) Added heat treatment process specifications for workpieces (see 6:14) and water quenching cooling requirements (see 6:4:4), and changed the maximum section thickness of workpieces
or diameter (see 6:3:4, 6:4:5 of the:2008 edition), the vacuum annealing heating holding time is deleted (see 6:4:4 of the:2008 edition);
f) Changed the requirements for quality control and inspection (see Chapter 7, Chapter 7 of the:2008 edition);
g) Changed the requirements for energy consumption (see 9:2, 5:1:2 of the:2008 edition);
h) Increased personnel requirements (see Chapter 10):
This document is proposed and managed by the National Heat Treatment Standardization Technical Committee (SAC/TC75):
This document is drafted by: Shanghai Materials Research Institute Co:, Ltd:, Chuzhou Huahai Zhongyi Industrial Furnace Co:, Ltd:, Jiangsu Fengdong Thermal Technology Co:, Ltd:
Company, AVIC Great Wall Metrology and Testing (Tianjin) Co:, Ltd:, Beijing Aerospace Xinli Technology Co:, Ltd:, Qijing Machinery Co:, Ltd:, China Machine
Beijing Mechanical and Electrical Research Institute Co:, Ltd:, Beijing North Huachuang Vacuum Technology Co:, Ltd:, Beijing Huali Fine Chemical Co:, Ltd:, Shanghai
City Bearing Technology Research Institute Co:, Ltd:, Hubei Sanhuan Forging Co:, Ltd:, Beijing Xinghang Electromechanical Equipment Co:, Ltd:, Zhejiang National Inspection and Testing Technology
Co:, Ltd:, Zhuzhou CRRC Tianli Forging Co:, Ltd:, Tianjin Heat Treatment Research Institute Co:, Ltd:, Changzhou New District Hehai Heat Treatment Project
Co:, Ltd:, Xi'an Flat Heat Treatment Co:, Ltd:
The main drafters of this document: Lu Jun, Xu Yueming, Li Qiao, Hu Dongbiao, Han Boqun, Lu Guoyi, Sun Xiaozhe, Wang Shoufeng, Liu Shuanglin, Ge Shengdong,
Huang Xiongrong, Liu Hongyang, Tian Weizhi, Huang Junjie, Jiang Ying, Gao Xinyu, Yin Heping, Yang Zhen, Shu Dongfang, Su Xing, Wang Baoping:
This document was first published in:2008, and this is the first revision:
vacuum heat treatment
1 Scope
This document specifies the heat treatment equipment, process and process specifications, quality control and inspection, safety and sanitation of metal materials in a vacuum state:
Hygiene and environmental protection, energy consumption, personnel requirements, product records and reports, etc:
This document is applicable to alloy structural steel, tool steel, die steel, stainless steel, heat-resistant steel, titanium alloy, superalloy, refractory metal alloy and precision
Vacuum heat treatment of dense alloy and other materials, including vacuum quenching, vacuum tempering, vacuum annealing, vacuum solution treatment and aging:
This document does not apply to processes such as vacuum carburizing and vacuum nitriding:
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document:
GB 3095 Ambient Air Quality Standard
GB/T 7232 Metal heat treatment terms
GB/T 10066:1 Test methods for electrothermal and electromagnetic treatment devices Part 1: General part
GB/T 10067:1 Basic technical requirements for electrothermal and electromagnetic treatment devices Part 1: General part
GB/T 10067:4 Basic technical conditions for electric heating devices Part 4: Indirect resistance furnace
GB/T 10067:45 Basic technical conditions for electric heating devices Part 45: Vacuum quenching furnace
GB/T 10067:47 Basic Specifications for Electric Heating Devices Part 47: Vacuum Heat Treatment and Brazing Furnace
GB/T 12603 Metal heat treatment process classification and code
GB 15735 Metal Heat Treatment Production Process Safety and Sanitation Requirements
GB/T 17358 Calculation and determination method of heat treatment production power consumption
GB/T 19944 Calculation and determination method of fuel consumption in heat treatment production
GB/T 24487 Alumina
GB/T 30823 Nickel alloy probe test method for determining the cooling performance of industrial quenching oil
GB/T 30825 Heat treatment temperature measurement
GB/T 32541 Heat Treatment Quality Control System
GB/T 34895 General rules for metallographic examination of heat treatment
GB/T 38751 General Rules for Hardness Inspection of Heat Treatment Parts
GB/T 38819 Technical Requirements and Evaluation of Green Heat Treatment
JB/T 7530 General Technical Specifications for Argon, Nitrogen and Hydrogen for Heat Treatment
JB/T 11810 Technical Requirements for Heat Treatment of Vacuum High Pressure Gas Quenching Furnace
JB/T 13026 oil-based quenching medium for heat treatment
3 Terms and Definitions
The following terms and definitions defined in GB/T 7232 apply to this document:
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