国外347型奥氏体钢炉管焊接应用实例浅析

Analysis on the examples of the application of the welding of the Type 347 Austenitic Steel Furnace Tube

文章根据新疆克拉玛依石化厂30万t/a润滑油高压加氢装置加热炉工程监理的经验,针对不锈钢焊接时背面氧化的典型问题,以及结合工程实际,并现场采用新型背面自保钨机氩弧焊丝和合理的焊接工艺,确保炉管焊接质量,加快施工进度。

According to the experience of the engineering supervision of lubricating oil high-pressure hydrogenation device furnace with 300,000 tons/year in Karamay Petrochemical Plant in Xinjiang, this paper aims at the typical problems of the oxidation on the back of the stainless steel which is being welded, combines the practice of the engineering, and uses new argon are welding machine self-preservation tungsten wire and rational welding technology, which can speed up the construction progress.