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GB/T 38805-2020: Technical requirements of heat treatment for heavy duty gears
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 38805-2020 | English | 409 |
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Technical requirements of heat treatment for heavy duty gears
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GB/T 38805-2020
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Basic data | Standard ID | GB/T 38805-2020 (GB/T38805-2020) | | Description (Translated English) | Technical requirements of heat treatment for heavy duty gears | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J36 | | Classification of International Standard | 25.200 | | Word Count Estimation | 22,213 | | Date of Issue | 2020-06-02 | | Date of Implementation | 2020-12-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 38805-2020: Technical requirements of heat treatment for heavy duty gears---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.
Technical requirements of heat treatment for heavy duty gears
ICS 25.200
J36
National Standards of People's Republic of China
Technical requirements for heat treatment of heavy-duty gears
2020-06-02 release
2020-12-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Contents
Foreword Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions 2
4 Carburizing, quenching and tempering 2
5 Nitriding 8
6 Induction hardening and tempering 11
7 Energy consumption requirements 15
8 Safety, health and environmental protection requirements 15
9 Product Report 15
Appendix A (informative appendix) The recommended depth of the hardened layer of the carburized gear is 16
Appendix B (informative appendix) Recommended value of hardened layer depth of nitriding gear 17
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed and managed by the National Technical Committee for Standardization of Heat Treatment (SAC/TC75).
This standard was drafted by. Hebei Huigong Machinery Equipment Co., Ltd., Beijing Electromechanical Research Institute Co., Ltd., Changzhou Tianshan Heavy Industry Machinery Co., Ltd.
Company, Zhejiang Shuanghuan Transmission Machinery Co., Ltd., CRRC Qishuyan Locomotive and Rolling Stock Technology Institute Co., Ltd., Jiangsu Fengdong Heat Treatment and
Surface Modification Engineering Technology Research Co., Ltd., Changzhou New District Hehai Heat Treatment Engineering Co., Ltd., Beijing Huali Fine Chemical Company, Xi'an Fu
Wright Heat Treatment Co., Ltd., Noble Automobile Systems Co., Ltd., Changzhou University.
The main drafters of this standard. Sun Xiling, Xu Yueming, Yang Zhongsheng, Gu Xiaoming, Niu Wanbin, Yang Minghua, Shi Yousen, Yin Heping, Ma Lixiao, Ge Shengdong,
Wu Jinchao, Lu Haitao, Hu Jing, Fu Congwei, Fu Haifeng.
Technical requirements for heat treatment of heavy-duty gears
1 Scope
This standard specifies common materials for heavy-duty gears, heat treatment equipment, processes, quality inspection, energy consumption, safety, health and environmental protection
Requirements etc.
This standard applies to gas carburizing quenching and tempering, nitriding and induction quenching and tempering of heavy-duty gears.
2 Normative references
The following documents are essential for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document.
GB/T 230.1 Rockwell hardness test of metallic materials Part 1.Test method
GB/T 231.1 Brinell hardness test of metallic materials Part 1.Test method
GB/T 3077 alloy structural steel
GB/T 4336 Determination of multi-element content of carbon steel and medium and low alloy steel Spark spark atomic emission spectrometry (conventional method)
GB/T 4340.1 Metallic materials Vickers hardness test Part 1.Test method
GB/T 4341.1 Shore hardness test of metallic materials Part 1.Test method
GB/T 5216 structural steel with hardenability guaranteed
GB/T 5617 Determination of effective hardened layer depth after induction hardening or flame quenching of steel
GB/T 6394 Method for determining the average grain size of metals
GB/T 7232 Terminology of metal heat treatment process
GB/T 8121 Terminology of heat treatment process materials
GB/T 9450 Determination and verification of the depth of carburizing and hardening layer of steel parts
GB/T 9452 Determination method of effective heating zone of heat treatment furnace
GB/T 10561 Determination of non-metallic inclusions in steel Standard micrograph inspection method
GB/T 11354 Depth determination and metallographic examination of steel parts
GB/T 13298 Metal microstructure inspection method
GB/T 13299 Steel microstructure evaluation method
GB/T 13324 Terminology of heat treatment equipment
GB 15735 Safety and health requirements for metal heat treatment production process
GB/T 15822.1 Non-destructive testing Magnetic particle testing Part 1.General
GB/T 17107 structural steel grades and mechanical properties for forgings
GB/T 17358 Calculation and determination method of power consumption in heat treatment production
GB/T 17394.1 Metallic materials Leeb hardness test Part 1.Test method
GB/T 18449.1 Metallic material Knoop hardness test Part 1.Test method
GB/T 19944 Calculation and determination method of fuel consumption in heat treatment
GB/T 20123 Determination of total carbon and sulfur content of iron and steel Infrared absorption method after high-frequency induction furnace combustion (conventional method)
GB/T 25744 metallographic examination of steel carburizing, quenching and tempering
GB/T 30822 Technical requirements for heat treatment and environmental protection
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