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采用焊接热模拟技术和示波冲击试验方法，研究了适用于我国西部管线的三种Ｘ６０级管线钢及其焊接热影响区在系列温度下的韧性规律，并从冲击能量特征和组织结构特征的角度对试验结果进行了分析和评价。
The weld heat simulation and oscillometric test were used to study the ductility of three X60 grade pipeline steels and their heat affected zones (HAZs) at series temperatures. The impact energy characteristics and microstructure characteristics From the perspective of the test results were analyzed and evaluated.