管线钢的氢致裂纹

HIC (Hydrogen Induced Crack) of the Pipeline Steel

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。提出控制 HIC的措施是降低从环境中吸收氢的含量 ,提高热轧板的抗 HIC性能。最后介绍了评价

This article analysis the HIC and its characteristic of the pipeline transmitting high H2S Petroleum and Gas, and the environment factor and material factor which affect the HIC. The article propose to reduce the hydrogen content absorbed from surroundings to control the HIC, and improve the anti-HIC property of the hot rolled steel plate. In the end the article introduces the evaluation method of the HIC.