Standard No.:	DL/T 734-2000
English Name:	Technical guide of welding repair for boiler drum in fossil -- fired power plants
Chinese Name:	火力发电厂锅炉汽包焊接修复技术导则
Chinese Classification:	J98    Boiler and its auxiliary equipment
Professional Classification:	DL    Professional Standard - Electricity
Issued by:	SETC
Issued on:	2000-11-3
Implemented on:	2001-1-1
Status:	superseded
Superseded by:	DL/T 734-2017
Superseded on:	2018-3-1
Language:	English
File Format:	PDF
Word Count:	7000 words
Price(USD):	210.00
Delivery:	via email in 1~3 business day

本标准规定了电站锅炉汽包主焊缝、接管座焊缝和入孔加强图焊缝的缺陷，汽包筒体的腐蚀、局部疲劳等缺陷的清除，焊接修复，质量检验方法及标准。本标准适用手材质力碳钢、低合金钢，汽包壁厚小于或等于203ｍｍ发电用锅炉汽包的焊接修复。本标准也适用于汽包等用焊接方法的局部补强。锅炉集箱、火力发电厂热力系统压力容器的焊接修复也可参照本标准。本标准不适用于大面积的疲劳、应力腐蚀及蠕变裂纹的焊接修复。