1) molten steel purity
钢水纯净度
1.
Then some measures such as strictly controlling main element composition, improving molten steel purity, reducing finishing temperature are put forward to resolve.
针对HRB40 0热轧带肋钢筋强度不合格的问题 ,采用化学分析、金相检验、实物测量等方法进行了分析 ,结果表明合金元素偏析严重、晶粒粗大、尺寸超差、内部夹杂物缺陷是造成强度不合格的主要原因 ,提出了严格控制主要元素成分、提高钢水纯净度、降低终轧温度等改进措施和建
2.
The test system to molten steel purity, which including macrography, chemical analysis, Smills, photograph, image analysis and SEM test, is constructed by measuring and analyzing the inclusions in different process stage of BOF, TD, slab and sick plate.
对转炉、中间包、连铸坯和中厚板不同工艺阶段的夹杂物进行检测分析,完善形成了包括低倍检验、化学分析、大样电解、金相分析、图象分析仪分析与扫描电镜能谱仪分析等手段的钢水纯净度检测系统。
3) the water quality testing device
净水纯度测试仪
1.
This article describes the principle,operation,common failures and repair procedure of the water quality testing device.
本文阐述净水纯度测试仪工作原理、使用、常见故障及维修,这对于纯净水、矿泉水、饮用水等生产企业具有重要的现实意义。
4) clean steel
纯净钢
1.
Production of Al-killed clean steel with 150 t ladle furnace;
150t钢包炉生产铝镇静纯净钢的实践
2.
Clean steel and technology of clean steel production;
纯净钢及纯净铸坯的生产技术
5) pure steel
纯净钢
1.
The total amount of La of pure steel and the content of inclusion is determined with ion spectrum and low temperature electrolysis method,the amount of La in solid solution of pure steel is analyzed.
采用离子光谱分析法和无水电解液低温电解法测定钢中的稀土La的总量和夹杂物含量,分析纯净钢中稀土La的固溶量,采用金相显微镜观察钢微观组织,研究固溶La对钢退火组织的影响。
2.
25V pure steel and lucubrated the smelting process of the low-silicon steel , and put forward the process for pre-deoxidization by LF with Al and smelt by VD as well as the concept for strictly preventing molten steel from re-oxidation during vacuum pouring, meanwhile the double airproof protector for pouring box was fabricated.
25V纯净钢的冶炼难点,同时对低硅钢的冶炼工艺进行了深入的分析研究,提出了采用钢包炉用铝预脱氧并进行VD的冶炼工艺方案和真空浇注过程中严密保护防止二次氧化的工艺思路,并制作了中间包双气封保护装置,实际使用效果十分理想,所炼钢的质量达到了纯净钢的要求。
3.
Study is made of the impact of La on the corrosion resistance of pure steel through the observation of the morphology of RE inclusion in the pure steel,testing of electro-chemic corrosion EIS and polarization curve.
通过观察纯净钢中稀土夹杂物的形态,测试电化学腐蚀EIS谱和极化曲线,研究稀土元素镧对纯净钢耐腐蚀性能的影响。
6) purity steel
纯净钢
1.
The effect of La on the high temperature oxidation of purity steel;
La对纯净钢抗高温氧化性能的影响
2.
Influence of La on microstructure of purity steel;
稀土镧对纯净钢组织的影响
3.
In this paper,the concepts of purity steel and clean steel are discussed The technology of controlling C,S,P,N,H,O in steel is summarized Some useful references of purity steel production can be drawn for domestic steel companie
简要探讨了纯净钢和洁净钢的概念,概述了近20年来国内外主要钢厂生产纯净钢过程中控制钢中杂质元素(主要是C、S、P、N、H、O)的技术进展,为我国纯净钢生产提供了有益的借鉴。
补充资料：钢水
液体状态的钢。钢水一般都铸成钢锭，也可以直接浇铸成铸件。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条