HOME   Cart(1)   Quotation   About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189760 (18 Oct 2025)

JB/T 9730-2024 English PDF

US$539.00 ยท In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
JB/T 9730-2024: (Diesel engine fuel injection nozzle parts, plunger parts, oil delivery valve parts metallographic inspection)
Status: Valid

JB/T 9730: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JB/T 9730-2024English539 Add to Cart 4 days [Need to translate] (Diesel engine fuel injection nozzle parts, plunger parts, oil delivery valve parts metallographic inspection) Valid JB/T 9730-2024
JB/T 9730-2011English799 Add to Cart 4 days [Need to translate] Diesel injector nozzle, plunger and delivery valve of fuel injection pump. Metallographic examination Obsolete JB/T 9730-2011
JB/T 9730-1999English879 Add to Cart 6 days [Need to translate] Metallographic examination of diesel injector nozzle plunger and delivry valve of diesel fuel injection pump Obsolete JB/T 9730-1999

PDF similar to JB/T 9730-2024


Standard similar to JB/T 9730-2024

JB/T 5089.3   JB/T 10505   JB/T 51023   JB/T 9736   JB/T 9733   JB/T 9729   

Basic data

Standard ID JB/T 9730-2024 (JB/T9730-2024)
Description (Translated English) (Diesel engine fuel injection nozzle parts, plunger parts, oil delivery valve parts metallographic inspection)
Sector / Industry Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard J94
Classification of International Standard 27.020; 43.060.40
Word Count Estimation 24,256
Date of Issue 2024-03-29
Date of Implementation 2024-10-01
Older Standard (superseded by this standard) JB/T 9730-2011
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the requirements for quenching and tempering of diesel engine plunger pairs, quenching and tempering of oil outlet valve pairs, carburizing, quenching and tempering of needle valve bodies, and metallographic inspection of quenching and tempering of needle valves. This standard applies to the carburizing of GCr15 steel plunger parts, oil delivery valve parts and alloy structural steel needle valve bodies, as well as the metallographic inspection of quenching and tempering of W6Mo5Cr4V2 or W18Cr4V steel needle valves.

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JB/T 9730-2024_English be delivered?

Answer: Upon your order, we will start to translate JB/T 9730-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JB/T 9730-2024_English with my colleagues?

Answer: Yes. The purchased PDF of JB/T 9730-2024_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 9730-2024?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JB/T 9730-2024 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.