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GB/T 22561-2023Vacuum heat treatment (English PDF)

真空热处理

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

May 23, 2023

Implementation date

December 1, 2023

Scope

GB/T 22561-2023 is the English-translated version of 真空热处理.

GB/T 22561-2023 is the Chinese standard "Vacuum heat treatment".

Its scope clause reads: 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:. Its clauses include terms and definitions.

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Document preview — GB/T 22561-2023

National Standard of the People's Republic of China

ICS: 25.200
Classification: J 36
Replacing: GB/T 22561-2008

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 Process classification and code
5 Equipment Technical Requirements
6 Process and process specification
7 Quality Control and Inspection
8 Safety, health and environmental protection
9 Energy consumption
10 Personnel Requirements
11 Product records and reports
Appendix C (Informative) Reference Data for Vacuum Heat Treatment of Commonly Used Metal Materials
Appendix D (informative) Determination method of heating lag time

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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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

Cited by

Similar standards

GB/T 16923-2026|GB/T 30583-2026|GB/T 30825-2026|GB/T 32541-2026|GB/T 11354-2025|GB/T 18683-2025

Editions of GB/T 22561

Edition	Title	Revision	Status
GB/T 22561-2023	Vacuum heat treatment	current edition	Current
GB/T 22561-2008	Vacuum heat treatment	previous edition	Superseded

This page sells the current edition, GB/T 22561-2023. Earlier editions are listed for reference only.

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