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Chinese Standard: QC/T 29018-2025

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Metallographic examination for automobile carbonitriding gears


Standard in brief
Scope of Application:  
本文件规定了钢制汽车碳氮共渗齿轮的金相组织、有效淬硬层深度、表面及心部硬度的检测方法。
本文件适用于碳氮共渗淬火有效淬硬层深度大于0.3 mm的汽车齿轮在完成所有热处理工序后的质量检验。

Basic information
Standard No:QC/T 29018-2025
Standard Name:汽车碳氮共渗齿轮金相检验
English Name:Metallographic examination for automobile carbonitriding gears
Standard Status:现行
Release Date:1991-01-01
Effective Date:2025-11-01
Language of Publication:中文简体

Standard Classification
ICS Number:43.040
CCS Number:T30

Related Standards
Referenced Standards:GB/T 230.1,GB/T 4340.1,GB/T 7232,GB/T 9450,GB/T 13298

Publication Information
Number of pages:20
Number of words:23 K
Format:大16
Edition:1
Color Pages:0
Electronic Version:Yes
Color Images:No
Print Publication Date:2025-07-01

Standard Revision Information
Has Amendment:No

Other Information
Application Dept:中华人民共和国工业和信息化部
Standard Type:QT
Standard Attribute:QC
Other Standard Number:29018
Drafter:刘海堂、王本满、熊碧云、杨月华、褚红梅、赵俊平、付星星、汪维新、张轶凡、王志苗、吴少华、袁峰、周小贞
Drafting Organization:神龙汽车有限公司、东风商用车有限公司、上海汽车集团股份有限公司、长城汽车股份有限公司、泛亚汽车技术中心有限公司
Management Organization:全国汽车标准化技术委员会(SAC/TC 114)
Proposing Department:全国汽车标准化技术委员会(SAC/TC 114)

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