管材张力减径 (tube stretch reducing process) 在多机架的减径机中对空心荒管进行的不带芯棒、带张力的热连轧工序，目的是获得既减径又减壁的成品管材。
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During the process of reducing, in case of constant diameter reduction, the major elements responsible for tube wall increase are the rolling temperature and the stretch factor, etc.
钢管在减径过程中，减径量一定时，影响其增壁量的主要因素是钢管的轧制温度和张力系数等。
Based on the characteristics of tube stretch-reducing process, the elastic FE calculation program is prepared by means of the constituent element modeling technique.
根据张力减径过程的变形特点，采用组元建模技术，编写了弹塑性有限元计算程序。
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