白油加氢装置高温高压临氢管道的材料选用

Material Selcetion of Piping with Hydrogen Gas at High Temperature and Pressure in White Oil Hydrogenization Unit

介绍白油加氢装置中高温高压临氢管道产生腐蚀的形态，并对腐蚀机理、影响因素及材料的回火脆性作了概要的分析和讨论。提出材料选用时应考虑的问题和相应的对策。

The Corrosion types of piping with hydrogen gas at high temperature and high pressure in white oil hydrogenization unit are introduced in this paper and the corrosion mechanisrns, influential factors and mateial's tempering embrittlement are briefly analyzed and discussed. The special considerations in material selection and the corresponding measures are Presented.