掺氢环境下<strong>X80</strong>管线钢气相氢损伤研究

掺氢环境下X80管线钢气相氢损伤研究

刘天乐, 韦博鑫, 付安庆, 苏航, 陈廷枢, 王超明, 王邃

Hydrogen Damage of X80 Pipeline Steel in Hydrogen-doped Gaseous Atmosphere

LIU Tianle, WEI Boxin, FU Anqing, SU Hang, CHEN Tingshu, WANG Chaoming, WANG Sui

表1 X80管线钢在不同掺氢比环境下的力学参数

Table 1 Mechanical parameters of X80 pipeline steel in different hydrogen doping ratio environments

Hydrogen blending ratio %	Yield strength MPa	Tensile strength MPa	Percentage elongation %	Hydrogen embrittlement sensitivity index %
0	614.5	740.3	23.33	-
10	608.2	720.6	22.22	4.76
30	592.8	705.8	21.59	7.46
50	590.2	687.6	18.05	22.6