X65抗酸管线钢中非金属夹杂物和氢致开裂裂纹的分析及预测

朱延山, 张继明, 武凤娟, 曲锦波

Analysis and Prediction of Nonmetallic Inclusions and Their Effect on Hydrogen Induced Cracking Behavior of X65 Acid-resistant Pipeline Steel

ZHU Yanshan, ZHANG Jiming, WU Fengjuan, QU Jinbo

图1 X65钢中12个金相检测面获得的最大夹杂物的尺寸及其形貌

Fig.1 Sizes and shapes of the inclusions tested on the surfaces of twelve X65 steel samples show 12 maximum size inclusions as the order from the smallest to the largest