Home Cart Quotation About-Us
www.ChineseStandard.net
SEARCH

GB/T 38749-2020 English PDF

Q: How long will the true-PDF of English version of GB/T 38749-2020 be delivered?

Upon your order, we will start to translate GB/T 38749-2020_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.

Q: Can I share the purchased PDF of GB/T 38749-2020_English with my colleagues?

Yes. The purchased PDF of GB/T 38749-2020_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Q: Does the price include tax/VAT?

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). Avoidance of Double Taxation Agreements (DTAs) between Singapore and 100+ Countries: https://www.iras.gov.sg/taxes/international-tax

Q: Do you accept my currency other than USD?

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.

US$449.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 38749-2020: Technical requirements of controlled atmosphere heat treatment
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 38749-2020	449	Add to Cart	5 days	Technical requirements of controlled atmosphere heat treatment	Valid

Similar standards

GB/T 39191 GB/T 39192 GB/T 38720 GB/T 45983.1 GB/T 38751

Basic data

Standard ID: GB/T 38749-2020 (GB/T38749-2020)
Description (Translated English): Technical requirements of controlled atmosphere heat treatment
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J36
Classification of International Standard: 25.200
Word Count Estimation: 24,222
Date of Issue: 2020-04-28
Date of Implementation: 2020-11-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 38749-2020: Technical requirements of controlled atmosphere 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.
Technical requirements of controlled atmosphere heat treatment ICS 25.200 J36 National Standards of People's Republic of China Controlled atmosphere heat treatment technical requirements 2020-04-28 release 2020-11-01 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 Controllable atmosphere categories and applications 2 5 Equipment requirements 3 6 Process material requirements 5 7 Heat treatment process 5 8 Quality Inspection 8 9 Safety and health requirements 9 10 Environmental protection and energy saving requirements 10 Appendix A (Normative Appendix) Carburizing atmosphere uniformity test method 11 Appendix B (Normative Appendix) Effective Hardness Depth Uniformity Test Method 12 Appendix C (Normative Appendix) Test Method for Surface Carbon Content Stripping 13 Appendix D (Normative Appendix) Thin decarburization layer, carbon increase layer measurement method 14

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. Guangdong Shichuang Metal Technology Co., Ltd., Beijing Electromechanical Research Institute Co., Ltd., Jiangsu Fengdong Thermal Technology Co., Ltd. Co., Ltd., Zhejiang Shuanghuan Transmission Machinery Co., Ltd., Jiangsu Pacific Precision Forging Technology Co., Ltd., CRRC Qishuyan Locomotive and Vehicle Worker Art Research Institute Co., Ltd., Changzhou New District Hehai Heat Treatment Engineering Co., Ltd., Xi'an Flett Heat Treatment Co., Ltd. The main drafters of this standard. Dong Xiaohong, Xu Yueming, Xiang Jianhua, Li Qiao, Chang Yumin, Niu Wanbin, Zhang Liping, Yang Minghua, Yin Heping, Wang Di, Wang Guangsheng. Controlled atmosphere heat treatment technical requirements

1 Scope

This standard specifies the controllable atmosphere category and application, equipment requirements, process material requirements, heat treatment process, quality inspection, and safety and health Technical requirements such as hygiene, environmental protection and energy saving. This standard applies to protective heat treatment, carburization, carbonitriding, nitriding and nitrocarburizing of controlled atmospheres.

2 Normative references

The following documents are essential for the application of this document. For dated references, 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 224 Decarburization Depth Determination of Steel GB/T 230.1 Rockwell hardness test of metallic materials Part 1.Test method GB/T 338 Industrial methanol GB/T 536 Liquid anhydrous ammonia GB/T 3634.2 Hydrogen Part 2.Pure hydrogen, high purity hydrogen and ultra pure hydrogen 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 4842 Argon GB/T 5959.1 Safety of electrothermal and electromagnetic treatment devices Part 1.General requirements GB 5959.4 Safety of electric heating devices Part 4.Special requirements for resistance heating devices GB/T 6026 Industrial acetone GB/T 6052 Industrial liquid carbon dioxide GB/T 6820 Industrial ethanol GB/T 7232 Terminology of metal heat treatment process GB/T 8121 Terminology of heat treatment process materials GB/T 8979 Pure nitrogen, high purity nitrogen and ultra pure nitrogen GB/T 9450 Determination and verification of the depth of carburizing and hardening layer of steel GB/T 9451 Determination of total hardened layer depth or effective hardened layer depth on thin surface of steel parts GB/T 9452 Determination method of effective heating zone of heat treatment furnace GB/T 10067.1 Basic technical requirements for electrothermal and electromagnetic treatment devices Part 1.General part GB/T 10067.4 Basic technical conditions of electric heating devices Part 4.Indirect resistance furnace GB/T 10201 Guidelines for reasonable use of heat treatment GB/T 11354 Depth determination and metallographic examination of steel parts GB/T 13324 Terminology of heat treatment equipment GB/T 15318 Energy-saving monitoring of heat treatment electric furnace GB 15735 Safety and health requirements for metal heat treatment production process GB 16297 Comprehensive emission standard of atmospheric pollutants GB/T 17394.1 Metallic materials Leeb hardness test Part 1.Test method ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 38749-2020_English be delivered?

Answer: Upon your order, we will start to translate GB/T 38749-2020_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 38749-2020_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 38749-2020_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.