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GB/T 38805-2020 English PDF

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US$409.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 38805-2020: Technical requirements of heat treatment for heavy duty gears
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 38805-2020	409	Add to Cart	5 days	Technical requirements of heat treatment for heavy duty gears	Valid

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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

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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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 38805-2020_English be delivered?

Answer: Upon your order, we will start to translate GB/T 38805-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 38805-2020_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 38805-2020_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.