【摘要】 介绍了国内外管线钢的发展状况,阐述了管线钢合金化设计原则及组织类型,详细叙述了铌作为微合金化元素在管线钢中的的特点、高温加工原理,以及不同轧制形式的管线钢及其成分。更多还原

【Abstract】 Introduces the development of pipeline steel of domestic and abroad. Explains the principle of alloying design and organizing style. Introduces that as a micro-alloying element of pipeline steel,the performance of niobium,the heating principle,also the pipeline steel and its components of every rolling style.更多还原