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- The microstructure and its distribution along radius of V-N microalloyed hot rolled ribbed bar were observed by means of optical microscope and SEM. 通过用金相、扫描电镜等方法观察得出,钒氮微合金化热轧带肋钢筋肋部主要由细小的铁素体晶粒、片层较细的珠光体和少量离异珠光体组成;
- The parameters calculation method of groove for hot rolled ribbed bars, such as the gap of end of cross rib, the teeth number of change gear, etc. 介绍了在热轧带肋钢筋轧槽加工中,横肋末端间隙、挂轮齿数等参数的计算方法,和实际应用经验,及其与负偏差轧制的关系。
- The causes of the head size over tolerance of large size hot rolled ribbed bars are analyzed.By improving the structure bearing bracket,this problem was resolved well. 分析了在横列式轧机轧制大规格热轧带肋钢筋时头部葫芦状尺寸超差的产生原因,通过改进轴承座结构,有效地解决了这一问题。
- Increase the rate of negative deviation of hot rolled ribbed bar 提高热轧带肋钢筋负偏差率的生产实践
- A study of the position effect in cold bending test of hot rolled ribbed bar 热轧带肋钢筋冷弯试验位置效应的研究
- Discussion on Increasing Negative Deviation Rate of Hot Rolled Ribbed Bar 关于提高热轧带肋钢筋负偏差率方法的探讨
- Discussion on increasing the negative deviation of hot rolled ribbed bar 提高热轧带肋钢筋负差率方法探讨
- Keywords hot rolled ribbed bar bubble controlled cooling surface quality; 热轧带肋钢筋;气泡;控制冷却;表面质量;
- ON STRAIGHTENING OF HOT ROLLED RIBBED BARS 热轧带肋钢筋的矫直工艺研究
- Analysis of Reasons and Countermeasure of No-yield-point of the 400 MPa Hot Rolled Ribbed Bar for Nb-micro-alloying 含铌400 MPa热轧带肋钢筋无屈服的成因分析与对策
- RESEARCH ON THE VARIATIONS OF TENSILE PROPERTIES OF HOT ROLLED RIBBED BAR AFTER AGING 热轧带肋钢筋时效后拉伸性能变化的研究
- Radius Distribution Characters of Microstructure in V-N Microalloyed Hot Rolled Ribbed Bar 钒氮微合金化热轧带肋钢筋径向组织分布特征
- Physical Properties and Service Properties of Hot Rolled Ribbed Bar of 460 MPa Grade 460 MPa级热轧带肋钢筋的物理性能和使用性能
- Cause analysis and Elimination Measures of Stepped Dent on the Transverse Rib of Hot Rolled Ribbed Bar 带肋钢筋横肋阶梯形凹痕的成因及消除
- DESIGN STUDY OF STRAIGHTENING-CUTTING MACHINE FOR HOT ROLLED RIBBED BARS 热轧带肋钢筋矫直切断机的研究设计
- In order to improving the mechanical properties of hot rolled ribbed steel bar,Jinan steel's No. 济钢第一小型轧钢厂采用穿水控制冷却工艺提高带肋钢筋性能,通过工业性试验对其强化机理进行了探讨。
- hot rolled ribbed bar 热轧带肋钢筋
- HRB400 hot rolled ribbed bar HRB400热轧带肋钢筋
- The study indicates that the testing method of necking extensibility is of high accuracy and comparability, and it can meet the requirement of hot rolled ribbed steel bar inspection. 研究表明,颈缩伸长率测量精度高,具有可比性,满足钢筋检验的要求。
- The usage, production processing and characteristics of cold rolled ribbed bar and welded reinforced bar fabric are introduced, and the production problems are pointed out. 介绍了冷轧带肋钢筋和焊接钢筋网的用途、生产工艺及特点,并指出其生产中存在的问题,分析了其发展前景,认为其市场前景广阔,目前远没有满足市场需