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JB/T 4120-2017

Chinese Standard: 'JB/T 4120-2017'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusRelated Standard
JB/T 4120-2017English159 Add to Cart Days<=3 Heavy forged alloy steel backup rolls. Technical specification Valid JB/T 4120-2017
JB/T 4120-2017Chinese16 Add to Cart <=1-day [PDF from Chinese Authority, or Standard Committee, or Publishing House]


Standard ID JB/T 4120-2017 (JB/T4120-2017)
Description (Translated English) Heavy forged alloy steel backup rolls. Technical specification
Sector / Industry Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard J32
Classification of International Standard 77.140.85
Word Count Estimation 8,878
Date of Issue 2017-01-09
Date of Implementation 2017-07-01
Older Standard (superseded by this standard) JB/T 4120-2006
Quoted Standard GB/T 223.11; GB/T 223.12; GB/T 223.13; GB/T 223.14; GB/T 223.17; GB/T 223.18; GB/T 223.19; GB/T 223.20; GB/T 223.21; GB/T 223.22; GB/T 223.23; GB/T 223.25; GB/T 223.26; GB/T 223.28; GB/T 223.29; GB/T 223.30; GB/T 223.31; GB/T 223.3; GB/T 223.32; GB/T 223
Drafting Organization Double Group (Deyang) Heavy Equipment Co., Ltd.
Administrative Organization National large-scale casting and forging standardization technical committee
Regulation (derived from) Ministry of Industry and Information Technology Announcement No.2 of 2017
Summary This standard specifies the ordering requirements, manufacturing process, technical requirements, inspection rules and test methods, quality certificates and re-inspections, signs and packages for forged alloy steel backup rolls for cold rolling mills and hot rolling mills. This standard applies to ferrous and non-ferrous metal sheet, strip cold rolling and hot rolling mill with a whole forging or inserting forged alloy steel backup roll.

Related standard:   JB/T 4010-2018  JB/T 6398-2018
Related PDF sample:   JB/T 4129-1999  JB/T 1268-2014
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