JB/T 4120-2017 English PDF

US$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
JB/T 4120-2017: Heavy forged alloy steel backup rolls. Technical specification
Status: Valid

JB/T 4120: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JB/T 4120-2017	189	Add to Cart	3 days	Heavy forged alloy steel backup rolls. Technical specification	Valid
JB/T 4120-2006	359	Add to Cart	3 days	Heavy forged alloy steel back up rolls	Obsolete
JB/T 4120-1993	239	Add to Cart	2 days	(Large Forged steel roller bearing)	Obsolete
JB 4120-1985	RFQ	ASK	3 days	(Forged steel roller bearing)	Obsolete

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Basic data

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: 8,871
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Older Standard (superseded by this standard): JB/T 4120-2006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
Regulation (derived from): Ministry of Industry and Information Technology Announcement No.2 of 2017
Issuing agency(ies): Ministry of Industry and Information Technology
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.

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