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一、言前 在厚壁压力容器的制造中采用不锈钢带极堆焊的方法,使其内层具有抗锈耐蚀的性能,是一种极为经济合理的工艺,在原子能及石油化工工业中已广泛采用。 目前世界各国采用的不锈钢带极有两大类別:一类是超低碳不锈钢,另一类是低碳(或超低碳)含Nb的不锈钢。文献评述了各研究者对两大类别不锈钢带极堆层性能的不同观点。一般可以认为含Nb不锈钢堆层总是
First, preface In the manufacture of thick-walled pressure vessel with stainless steel with very hard surfacing method, so that the inner layer with anti-corrosion performance, is a very economical and reasonable process, in the atomic energy and petrochemical industries broadly used. At present, there are two types of stainless steel strips used in various countries in the world: one is ultra-low carbon stainless steel and the other is low-carbon (or ultra-low carbon) Nb-containing stainless steel. The literature reviews the different viewpoints of researchers on the performance of two types of stainless steel pole stacks. It is generally accepted that Nb-containing stainless steel stacks are always