GB/T 16924-2008 in English

《GB/T 16924-2008钢件的淬火与回火》由TC75（全国热处理标准化技术委员会）归口，主管部门为国家标准化管理委员会。
本标准规定了在炉中加热的钢件淬火与回火的技术要求及方法。本标准不适用于表面加热淬火方法。

1 Scope

This Standard specifies technical requirements and method for quenching and tempering of steel parts heated in the furnace.
This Standard is not applicable to quenching method for surface heating.

2 Normative References

The following standards contain provisions which, through reference in this Standard, constitute provisions of this Standard. For dated references, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties coming to an agreement based on this Standard are encouraged to investigate whether the latest editions of the standards apply. For undated references, the latest editions of the normative documents referred to apply.
GB/T 224 Determination of Depth of Decarburization of Steel
GB/T 230.1 Metallic Rockwell Hardness Test - Part 1: Test Method (Scales A, B, C, D, E, F, G, H, K, N, T)(GB/T 230.1-2004，ISO 6508-1：1999，MOD)
GB/T 231.1 Metallic Materials-Brinell Hardness Test-Part 1: Test Method(GB/T 231.1-2002，eqv ISO 6506-1：1999)
GB/T 699 Quality Carbon Structural Steels
GB/T 1182 Geometrical Product Specifications(GPS) - Geometrical Tolerancing - Tolerances of Form Orientation Location and Run-Out(GB/T 1182-2008，ISO 1101：2004，IDT)
GB/T 1220 Stainless Steel Bars
GB/T 1221 Heat-resistant Steel Bars
GB/T 1222 Spring Steel
GB/T 1298 Carbon Tool Steels
GB/T 1299 Alloy Tool Steel
GB/T 3077 Alloy Structure Steels
GB/T 4340.1 Metallic Materials - Vickers Hardness Test - Part 1：Test Method(GB/T 4340.1-1999，eqv ISO 6507-1：1997)
GB/T 4341 Metallic Materials - Shore Hardness Test
GB/T 5216 Structural Steels Subject to End-quench Hardenability Requirements
GB 6394 Metal-methods for Estimating the Average Grain Size
GB/T 7232 Terminology of Metal Heat Treatment
GB/T 9452 Testing Method for Working Zone of Heat Treatment Furnace
GB/T 9943 High Speed Tool Steels (GB/T 9943-2008，ISO 4957：1999，NEQ)
GB/T 11352 Carbon Steel Castings for General Engineering Purpose (GB/T 11352-1989，neq ISO 3755：1991)
GB/T 12603 Classifications and Designations for Metal Heat Treatment
GB/T 13298 Metal-inspection Method of Microstructure
GB/T 13324 Terminology of Heat Treatment Equipment
GB 15735 Requirements for the Safety and Health in Production Process of Metal Heat Treatment
GB/T 16923 Normalizing and Annealing of Steel Parts
GB/T 17358 Power Consumption Quota and its Counting and Testing Method in Heat Treating Production
GB/T 18254 High-carbon Chromium Bearing Steel
GB/T 19944 Fuel Consumption Quota and its Counting and Testing Method for Heat Treatment Production
JB/T 6050 Generalization of Hardness Test for Heat Treated Iron and Steel Parts
JB/T 7530 General Technical Requirements for Argon Nitrogen and Hydrogen Gases Used in Heat Treatment
JB/T 9210 Vacuum Heat Treatment

3 Terms and Definitions

For the purpose of this Standard, terms and definitions established in GB/T 7232, GB/T 13324 and GB/T 16923 apply.

4 Classification and Codes of Quenching and Tempering Technology

Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Classification and Codes of Quenching and Tempering Technology
5 To-be-treated Object
6 Object Classification
7 Quenching and Tempering Equipment
8 Quenching and Tempering Technology
9 Quality Inspection on Object after Quenching and Tempering
10 Safety and Health Requirements
11 Energy Consumption Requirements
12 Product Report List
Appendix A (Informative) Selection of Process Specification for Quenching and Tempering of Steel Parts