对NB/T 47014—2011《承压设备焊接工艺评定》若干问题的看法  

Views on Several Issues of NB/T 47014—2011 “Standard of Welding Procedure Qualification for Pressure Equipments”

作　　者：房务农[1] 何前进[1] 

机构地区：[1]合肥通用机械研究院,合肥230031

出　　处：《中国特种设备安全》2016年第2期4-8,共5页China Special Equipment Safety

摘　　要：本文从实施NB/T 47014过程中发生的疑问,精选了若干问题,以参编人员角度,对焊接性与焊接工艺评定、预焊接工艺规程与焊接工艺规程、母材类别与组别、焊后热处理的保温温度与保温时间、试件厚度与焊件厚度、侧弯试验与面弯试验(背弯试验)及预焊接工艺规程批准日期等重要方面阐述了基本看法。In this paper, several issues are selected from the implementation of NB/T 47014. From the perspective of the editor, basic views on some important issues are clarified such as the weldability and welding procedure qualification, preliminary welding procedure specification and welding procedure specification, categories and groups of base metal, holding temperature and holding time of post weld heat treatment, the thickness of test coupon and weldment, side bend test and face bend test（root bend test） and approval date for preliminary welding procedure specification. Hope to communicate with popular readers.

关 键 词：焊接工艺评定 标准 焊接性 焊接工艺规程 

分 类 号：X921[环境科学与工程—安全科学]