H2 中O2 和CO掺杂对X52管线钢氢脆敏感性影响研究

万红江, 明洪亮, 王俭秋, 韩恩厚

Effect of Small Amount of O2 and CO on Hydrogen Embrittlement Susceptibility of X52 Pipeline Steel

WAN Hongjiang, MING Hongliang, WANG Jianqiu, HAN En-Hou

表1 不同O2和CO含量H2中拉伸实验条件

Table 1 Tensile test conditions in H2 gas containing different contents of O2 and CO

Number Gas type Pressure / MPa Charging time / h 1 H2 4 48 2 CH4 4 0 3 H2 + 0.001%O2 4 48 4 H2 + 0.005%O2 4 48 5 H2 + 0.01%O2 4 48 6 H2 + 0.005%CO 4 48 7 H2 + 0.01%CO 4 48 8 H2 + 0.02%CO 4 48