X100管线钢焊接接头抗HIC性能研究

王斌, 周翠, 李良君, 胡红梅, 朱加祥

Resistance to Hydrogen Induced Corrosion Cracking of Weld Joint of X100 Pipeline Steel

WANG Bin, ZHOU Cui, LI Liangjun, HU Hongmei, ZHU Jiaxiang

表3 X100管线钢焊接接头非金属夹杂物级别

Grade Sulfide A Aluminium oxide B Silicate C Spherical oxide D Single spherical particls DS Total grade Fine type 0.5 9.5 0.5 47 7.5 Coarse type 1.5 18.5 0.5 1 Maximum grade 0.5 3s 1 2 3