摘 要:文章主要是针对现有输电线路铁塔设计中引进新的材质类型Q420,从Q420材质的物理及化学性能方面对引进新材质所影响的铁塔加工及检验方面来,说明加工及焊接应注意的事项来保证产品的质量来进行了论述。
　　关键词:铁塔;Q420;加工
　　Abstract: This article is mainly aims in the existing transmission line iron tower design to introduce new material quality type Q420, to introduces the iron tower processing which and the examination aspect from Q420 material quality's physics and the chemical properties aspect the new material quality affects explained that processes the item which and welds should pay attention to guarantee the product the quality has carried on the elaboration.
　　Key words: iron tower; Q420; processing 　
　　
　　伴随我国企业提出了一个新的课题。要求铁塔加工企业只有严格遵守国家规范和工艺要求才能保证铁塔加工质量和安全性能。