X80管线钢氢渗透行为及氢脆敏感性研究

陈锴, 杜一帆, 徐浩昀, 吕良, 党桂铭, 王玉金, 郑树启

Hydrogen Permeation and Hydrogen Embrittlement Sensitivity of X80 Pipeline Steel

CHEN Kai, DU Yifan, XU Haoyun, LV Liang, DANG Guiming, WANG Yujin, ZHENG Shuqi

表2 X80管线钢的慢拉伸数据

Table 2 Tensile data of X80 pipeline steel

Sample σs / MPa σb / MPa d / mm L / % HE Air 615 690 6.410 25.64 - 0 627 684 2.017 8.068 0.685 tb 630 683 1.864 7.456 0.709 t∞ 644 665 1.534 6.136 0.761