This article analysis the HIC and its characteristic of the pipe line transmitting high H2S Petroleum and Gas, and the environment factor and mat erial factor which affect the HIC.

• 摘 要 分析了输送高湿含硫化氢较高的石油天然气 管线钢管的氢致裂纹(HIC)现象及特点，以及影响HIC的环境因素和材料因素。