HOME   Cart(3)   Quotation   About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189759 (19 Oct 2025)

JB/T 4120-2017 English PDF

US$189.00 ยท 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: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JB/T 4120-2017English189 Add to Cart 3 days [Need to translate] Heavy forged alloy steel backup rolls. Technical specification Valid JB/T 4120-2017
JB/T 4120-2006English359 Add to Cart 3 days [Need to translate] Heavy forged alloy steel back up rolls Obsolete JB/T 4120-2006
JB/T 4120-1993English239 Add to Cart 2 days [Need to translate] (Large Forged steel roller bearing) Obsolete JB/T 4120-1993
JB 4120-1985EnglishRFQ ASK 3 days [Need to translate] (Forged steel roller bearing) Obsolete JB 4120-1985

PDF similar to JB/T 4120-2017


Standard similar to JB/T 4120-2017

GB/T 12362   GB/T 12361   JB/T 4129   JB/T 6398   JB/T 7025   JB/T 4010   

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Older Standard (superseded by this standard) JB/T 4120-2006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.

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JB/T 4120-2017_English be delivered?

Answer: Upon your order, we will start to translate JB/T 4120-2017_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JB/T 4120-2017_English with my colleagues?

Answer: Yes. The purchased PDF of JB/T 4120-2017_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version JB/T 4120-2017?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JB/T 4120-2017 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.