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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]

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Detail Information of 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: 8,834
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Older Standard (superseded by this standard): JB/T 4120-2006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
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