GB/T 31923.2-2015

Active

Iron ores for blast furnace feedstocks—Determinaction of low-temperature reduction-disintegration indices by static method—Part 2: Reduction with CO and N2

高炉炉料用铁矿石 低温还原粉化静态试验 第2部分:与CO和N2的反应

Standard Type
GBT
ICS
73.060.10
CCS
D31
Status
Active
Issue Date
2015-09-11
Implementation
2016-06-01
Centralized Committee
中国钢铁工业协会
Issuing Authority
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies a static test method for determining the low-temperature reduction-disintegration indices of iron ores used as blast furnace feedstocks, specifically when reduced with a gas mixture of carbon monoxide (CO) and nitrogen (N2). It is applied in the mining and steelmaking industries to evaluate the tendency of iron ore pellets or sinter to degrade into fines under reducing conditions at low temperatures (around 500°C). The test results help predict furnace performance and optimize ore selection for efficient blast furnace operation.

Related Standards

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.