掺氢天然气管线钢氢渗透行为研究进展

王慧玲, 明洪亮, 王俭秋, 韩恩厚

Research Progress on Hydrogen Permeation Behavior of Hydrogen-doped Natural Gas Pipeline Steel

WANG Huiling, MING Hongliang, WANG Jianqiu, HAN En-Hou

表2 不同管线钢的气相氢渗透参数在氢压或掺氢比增加时的变化趋势

Table 2 Variation trend of gaseous hydrogen permeation parameters of different pipeline steels with increasing hydrogen pressure or hydrogen blending ratio

Material Hydrogen pressure or hydrogen blending ratio i∞ Deff C0 X52[49] 2.5%, 12.5%, 25%, 50% (total pressure: 4 MPa) Increase Almost constant Increase X65[18] 1 MPa, 5 MPa, 10 MPa Increase Increase Increase X80[48] 3%, 5%, 10%, 15%, 20% (total pressure: 10 MPa) Increase Almost constant Increase X80[47] 2 MPa, 5 MPa, 8 MPa (total pressure: 12 MPa) Increase Increase Increase