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JB/T 8420-2008

Chinese Standard: 'JB/T 8420-2008'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusRelated Standard
JB/T 8420-2008English489 Add to Cart Days<=4 Microstructure grading of hat die steel Valid JB/T 8420-2008
JB/T 8420-2008Chinese19 Add to Cart <=1-day [PDF from Chinese Authority, or Standard Committee, or Publishing House]


Standard ID JB/T 8420-2008 (JB/T8420-2008)
Description (Translated English) Microstructure grading of hat die steel
Sector / Industry Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard H24;J39
Classification of International Standard 25.200
Word Count Estimation 21,264
Date of Issue 2008-06-04
Date of Implementation 2008-11-01
Older Standard (superseded by this standard) JB/T 8420-1996
Quoted Standard GB/T 1299; GB/T 6394; GB/T 11880; GB/T 13298
Drafting Organization Beijing Institute of Electrical
Administrative Organization National Standardization Technical Committee of heat treatment (SAC/TC 75)
Regulation (derived from) NDRC Notice No. 38 of 2008
Summary This standard specifies the common hot work die steel martensite and grain size evaluation method and evaluation level. This standard applies to 5CrNiMo, 5Cr4W5Mo2V, 3Cr2W8V, 3Cr3Mo3W2V, 4Cr5MoSiV and 4Cr3Mo2NiVNbB steel and similar manufacturing forging steel, machine forging, hot extrusion, hot stamping and die-casting microstructure rating.

Related PDF sample:   GB/T 5168-2020  GB/T 4236-2016
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