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QCN29018-1991 English PDF

US$479.00 ยท In stock
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QCN29018-1991: (Car carbonitriding gear metallography)
Status: Obsolete
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
QCN 29018-1991English479 Add to Cart 4 days [Need to translate] (Car carbonitriding gear metallography) Obsolete QCN 29018-1991

PDF similar to QCN29018-1991


Standard similar to QCN29018-1991

GB/T 39897   QC/T 942   GB/T 37436   QC/T 1185   QC/T 275   

Basic data

Standard ID QCn 29018-1991 (QCn29018-1991)
Description (Translated English) (Car carbonitriding gear metallography)
Sector / Industry Automobile & Vehicle Industry Standard
Classification of Chinese Standard T06
Word Count Estimation 12,116
Date of Issue 6/13/1991
Date of Implementation 6/1/1991
Older Standard (superseded by this standard) JB 2782-1979
Quoted Standard GB 8539; GB 9450
Summary This standard specifies the key automotive system Carbonitriding microstructure gear, effective hardening depth of meaning and detection methods, surface and hardness of heart. This standard applies to effective case depth greater than 0. 3 mm in gear. This standard applies to the completion of the quality inspection of all gear after heat treatment process.

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