GB/T 31923.2-2015 Active National standards

GB/T 31923.2-2015 Iron ores for blast furnace feedstocks—Determination of low-temperature reduction-disintegration indices by static method—Part 2:Reduction with CO and N2

GB/T 31923.2-2015 Iron ores for blast furnace feedstocks—Determination of low-temperature reduction-disintegration indices by static method—Part 2:Reduction with CO and N2

Publish Date: 2015-09-11 Implement Date: 2016-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 31923.2-2015

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Iron ore

ICS Name: Iron ore

Publish Date: 2015-09-11

Implement Date: 2016-06-01

Pages: 13 pages

Scope

This part of GB/T 31923 specifies the test method for determining the degree of pulverization of iron ore used as blast furnace charge after being reduced by CO and N2. The test conditions are mainly similar to those in the low-temperature reduction zone of the blast furnace.
This part is applicable to the static test of low-temperature reduction pulverization of lump ore, sintered ore, and pellet ore.

Development Information

Word Count: 24 Thousand words Pages: 13 pages

Same series standard

GB/T 31923.1-2015 Iron ores for blast furnace feedstocks—Determination of low-temperature reduction-disintegration indices by static method—Part 1:Reduction with CO,CO2,H2 and N2

Referenced Standards

GB/T 6003.1-1997 Test sieves of metal wire cloth GB/T 6003.1-2012 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth GB/T 6003.1-2022 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth GB/T 6003.2-1997 Test sieves of perforated metal plate GB/T 6003.2-2012 Test sieves—Technical requirements and testing—Part 2:Test sieves of metal wire cloth GB/T 6003.2-2024 Test sieves—Technical requirements and testing—Part 2:Test sieves of perforated metal plate GB/T 10322.1-2000 Iron ores—Sampling and sample preparation procedures GB/T 10322.1-2014 Iron ores—Sampling and sample preparation procedures GB/T 10322.1-2023 Iron ores—Sampling and sample preparation procedures GB/T 10322.7-2004 Iron ore—Determination of size distribution by sieving GB/T 10322.7-2016 Iron ores and direct reduced iron—Determination of size distribution by sieving GB/T 20565-2006 Iron ores and direct reduced iron—Vocabulary GB/T 20565-2022 Iron ores and direct reduced iron—Vocabulary

Adopt standards

ISO 4696-2:2007

Related Standards

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GB/T 10322.4-2000 Replaced

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GB/T 10322.5-2000 Replaced

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