论文部分内容阅读
本文介绍了20MnMoNi55低合金高强钢的特点,针对甲醇反应器合拢焊缝裂纹产生的原因进行分析,并制定出切实可行的返修方案,提出了20MnMoNi55钢材焊接过程中的特殊要求,为甲醇反应器特殊设备的返修积累了一定的经验。
In this paper, the characteristics of 20MnMoNi55 low alloyed high strength steel are introduced. According to the analysis of the reason of the crack in the close welding seam of methanol reactor and the feasible reworking scheme, a special request for the welding of 20MnMoNi55 steel is proposed. Rework equipment has accumulated some experience.