GB/T 34211-2017 in English
VALIDIron ores--Method for determination of iron reduction softening drippinger performance under load
- Issued on:2017-09-07
- Implemented on:2018-06-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$243.00
《GB/T 34211-2017铁矿石 高温荷重还原软熔滴落性能测定方法》由TC317（全国铁矿石与直接还原铁标准化技术委员会）归口，主管部门为中国钢铁工业协会。
Introduction
1. Introduction
GB/T 34211-2017 is mainly used to measure the metallurgical properties of iron ore at high temperatures, and is applicable to natural lump ore, sintered ore, pelletized ore and comprehensive furnace charge.
2. Background of Standard Formulation
With the development of the steel industry, higher requirements are placed on the high-temperature metallurgical properties of iron ore. This standard was proposed by the China Iron and Steel Association and was formed after multiple experimental verifications and technical evolution.
3. Standard framework comparison table
| Dimension | GB/T 34211—2017 | Related standards |
|---|---|---|
| Scope of application | Determination of high temperature performance of iron ore | - |
| Test equipment | High temperature furnace, flattening thickness gauge, etc. | GB/T 1996, etc. |
| Determination indicators | Softening temperature, dripping temperature, etc. | - |
4. Experimental steps and result calculation
The test process includes sample preparation, system air tightness inspection, programmed temperature rise and data acquisition. By recording the displacement and temperature curve, the softening range (ΔT1), soft melting range (ΔT2) and melting drop range (ΔT3) are calculated. The results show that this method can accurately evaluate the high temperature performance of iron ore.
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