This study introduced the economictype X70 of hot strip which was designed by C-Mn-Cr-Nb alloy system and acicular ferrite microstructure,and produced by medium-thickness slab casting and direct rolling production line in Ansteel.
本文介绍鞍钢采用C-Mn-Cr-Nb系针状铁素体组织设计,在中等厚度板坯连铸坯连铸连轧生产线上研制开发经济型X70管线钢热轧卷板,产品具有高强度、良好的低温韧性和焊接性能,同时可大幅降低生产成本,应用于西气东输二线和中亚输气管线等国家重点工程。
This paper introduced X70 and X80 HRC with heavy thickness which were designed by low carbon,high niobium acicular ferrite microstructure,and developed on medium thickness slab continuous casting production line in Ansteel.
介绍了鞍钢股份有限公司采用低碳高铌针状铁素体组织设计、在中等厚度连铸坯连铸连轧生产线上研制开发特厚规格X70和X80级管线钢热轧卷板的情况。
Element Mo, Cu were added into grey iron liquid, the type and content of inoculants, pouring time, cooling time, shake out time were adjusted to get acicular structure.
通过向灰铸铁中加入一定量的Mo、Cu等合金元素,并调整孕育剂的类型及其在铁液中的含量,同时调整浇注温度、冷却时间、落砂时间等工艺措施来控制针状组织铸铁的生成。
Abstrace: The influence of titanium on the structure and properties of gray iron was investigated.
研究了钛对灰铸铁组织和性能的影响。
Effect of Manganese Content on Structures and Properties of Low Carbon White Cast Iron
锰对低碳白口铸铁组织与性能的影响
The Influence of Tungsten on Microstructure and Properties of Cr20 High Chromium Cast Iron
钨对Cr20高铬铸铁组织及性能的影响
Influence of Raw Material Mixture Ratio on Microstructure and Property of Nodular Graphite Cast Iron
原料配比对球墨铸铁组织性能的影响
Effect of Adding Steel Scrap into Liquid Iron in Ladle on the Tensile Strength and Microstructures of Gray Iron
铁液中加废钢对灰铸铁组织和强度的影响
Research of Structure and Properties of High Carbon Equivalent Rare-earth Grey Cast Iron
稀土高碳当量灰口铸铁组织与性能的研究
Effect of Technological Conditions on Microstructure and Properties of Chromium Cast Irons;
工艺条件对铬系白口铸铁组织性能的影响
Study on the Effect of SiSr and SiFe Compound Inoculation on Boron Gray Cast Iron;
SiSr复合孕育对硼灰铸铁组织和性能的影响
Study on Preparation and Microstructure of As-cast QT550-7 Ductile Iron
铸态QT550-7球墨铸铁制备及组织研究
Microstructure and Properties of Cr-Alloyed As-Cast Nodular Iron--Application of Cr in As-Cast Nodular Iron(Ⅰ)
Cr合金铸态球墨铸铁的组织和性能——Cr在铸态球墨铸铁中的应用(1)
Cast Microstructure Design of low Chrome White Cast Iron Grinding Ball
浅析低铬白口铸铁磨球的铸态组织设计
Study of Structure Properties and Process Optimization of Chilled Iron Camshaft
激冷铸铁凸轮轴组织性能研究及铸造工艺优化
Effect of Cerium on As-cast Microstructure of Hypereutectic High Chromium Cast Iron
稀土铈孕育对过共晶高铬铸铁铸态组织的影响
Production of Dense Hollow-Cast-Iron Profiles by Continuous Casting
用连铸法生产组织致密的铸铁空心型材
System of Automatic Quantitative Analysis of Metallography Microstructure of Spheroidal Graphite Cast Iron;
球墨铸铁金相组织自动定量分析系统
Structure and Properties of SiC/Gray Cast Iron Composite Material
SiC陶瓷/灰铸铁复合材料的组织与性能
Effect of Silicon on Microstructure and Hardness of Malleable Cast Iron
Si对可锻铸铁显微组织和硬度的影响
Microstructure and Property of TIG Welding Cast Iron
铸铁同质焊材TIG焊接头组织与性能
