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METHOD OF HOT-ROLLING SHEETS OF NIOBIUM AND VANADIUM MICROALLOYED LOW-CARBON MANGANESE STEEL

机译:铌和钒微合金低碳锰钢热轧板的方法

摘要

A method of hot-rolling sheets of niobium and vanadium microalloyed low-carbon manganese steel includes first (roughing) hot rolling within twelve passes under the temperature 1100 ... , from the thickness of 250 to 50 ... and second rolling under the temperature of 730- from the thickness of 50 ...40 mm to 18 ... . The first six passes are carried out with maximum reduction, and the last passes are carried out with the same reduction, which is defined by the formula:, where d - thickness of rolled metal after first six passes.
机译:一种热轧铌和钒微合金化低碳锰钢薄板的方法,该方法包括:在1100℃的温度范围(250至50℃)的十二道次内进行(粗加工)热轧,然后在250℃的温度下进行第二轧制。的温度范围是730-,从50 ... 40 mm的厚度到18 ...。前六个道次以最大的压下率进行,而最后一次道次以相同的压下率进行,由下式定义:其中d-前六个道次后的轧制金属厚度。

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