HOME   Cart(1)   Quotation   About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189759 (19 Oct 2025)

GB/T 24189-2024 English PDF

US$274.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 24189-2024: Iron ores for blast furnace feedstocks - Determination of the reducibility by the final degree of reduction index
Status: Valid

GB/T 24189: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 24189-2024English274 Add to Cart 3 days [Need to translate] Iron ores for blast furnace feedstocks - Determination of the reducibility by the final degree of reduction index Valid GB/T 24189-2024
GB/T 24189-2009English399 Add to Cart 3 days [Need to translate] Iron ores for blast furnace feedstocks -- Determination of the reducibility by the final degree of reduction index Obsolete GB/T 24189-2009

PDF similar to GB/T 24189-2024


Standard similar to GB/T 24189-2024

GB/T 14201   GB/T 13241   GB/T 27692   GB/T 24237   GB/T 24190   

Basic data

Standard ID GB/T 24189-2024 (GB/T24189-2024)
Description (Translated English) Iron ores for blast furnace feedstocks - Determination of the reducibility by the final degree of reduction index
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard D31
Classification of International Standard 73.060.10
Word Count Estimation 14,194
Date of Issue 2024-05-28
Date of Implementation 2024-12-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 24189-2024: Iron ores for blast furnace feedstocks - Determination of the reducibility by the final degree of reduction index


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 73:060:10 CCSD31 National Standards of People's Republic of China Replace GB/T 24189-2009 Final reduction index for iron ore used in blast furnaces Determination of the reducibility of (ISO 7215:2015, IDT) Released on 2024-05-28 2024-12-01 implementation State Administration for Market Regulation The National Standardization Administration issued

Foreword

This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting: This document replaces GB/T 24189-2009 "Determination of the reducibility of iron ore for blast furnaces expressed by the final reduction index" and Compared with GB/T 24189-2009, in addition to structural adjustments and editorial changes, the main technical content changes are as follows: a) The timer in the test equipment composition has been deleted (see 6:1 of the:2009 edition); b) The restore operation has been changed (see 8:3, 8:3 of the:2009 edition); c) Add the provisions for FeO conversion factor (see 9:1): This document is equivalent to ISO 7215:2015 "Determination of the reducibility of iron ores for blast furnace use - expressed as the final reduction index": Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the responsibility for identifying patents: This document was proposed by the China Iron and Steel Association: This document is under the jurisdiction of the National Iron Ore and Direct Reduced Iron Standardization Technical Committee (SAC/TC317): This document was drafted by: Baoshan Iron & Steel Co:, Ltd:, Anshan Xingyuanda Technology Co:, Ltd:, Shaoxing Shangyu Hongxing Machinery Instrument Manufacturing Co:, Ltd: Manufacturing Co:, Ltd:, Metallurgical Industry Information Standards Research Institute: The main drafters of this document are: Chen Xiaoqi, Wang Chunsheng, Chu Yongjun, Kang Xiping, Zhao Jingjing, Lin Xuewu, Hu Jingke, Xiang Enguang, Zhang Guanlai, Chen Jin: This document was first published in:2009 and this is the first revision: Final reduction index for iron ore used in blast furnaces Determination of the reducibility of Warning---People who use this document should have practical experience in formal laboratory work: This document does not address all possible safety issues: The user is responsible for taking appropriate safety and health measures and ensuring compliance with the conditions stipulated in relevant national laws and regulations:

1 Scope

This document specifies a relative measure of the degree of separation of oxygen from iron ore under conditions simulating the reduction zone of a blast furnace: This document applies to lump ore, sintered ore and pelletized ore:

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document: For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document: ISO 2597-1 Iron ores - Determination of total iron content - Part 1: Tin (II) chloride reduction titration method Note: GB/T 6730:70-2013 Determination of total iron content in iron ore - Stannous chloride reduction titration method (ISO 2597-1:2006, MOD) ISO 2597-2 Iron ores - Determination of total iron content - Part 2: Titanium (III) chloride reduction titration method Note: GB/T 6730:5-2022 Determination of total iron content in iron ore - Titanium trichloride reduction titration method (ISO 2597-2:2019, MOD) Note: GB/T 10322:1-2014 Iron ore sampling and sample preparation methods (ISO 3082:2009, IDT) ISO 9035 Iron ores - Determination of acid-solu- bleiron (Ⅱ) content-Titrimetric method) Note: GB/T 6730:71-2014 Determination of ferrous iron content in acid-soluble iron ore by titration (ISO 9035:1989, MOD) Note: GB/T 20565-2022 Terminology of iron ore and direct reduced iron (ISO 11323:2010, IDT)

3 Terms and definitions

For the purpose of this document, the terms and definitions given in ISO 11323 apply:

4 Principle

The test sample was reduced at a constant temperature of 900°C in a fixed bed using a reducing gas composed of CO and N2 for 180 min: The final reduction degree (R180) was calculated from the oxygen loss after 180 min:

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 24189-2024_English be delivered?

Answer: Upon your order, we will start to translate GB/T 24189-2024_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 GB/T 24189-2024_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 24189-2024_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 GB/T 24189-2024?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 24189-2024 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.