DL∕T 2242-2021 气体绝缘金属封闭设备铝合金外壳材料及焊接通用技术条件.pdf

ICS77.040.20

CCSH26

11］圃

中华人民共和国电力行业标准

DL/T2242-2021

气体绝缘金属封闭设备铝合金外壳

材料及焊接通用技术条件

Generalspecificationformaterialsandweldingof

gas-insulatedaluminumalioyenclosedequipments

DL/T2242-2021

目次

前言……...….................….........…...……II

l范围……·

2规范性引用文件……

3术语和定义….....................…………………·2

4总则........................………….z

4.2材料.........…··…………………··2

4.3焊接及检测设备…………………………..3

5焊接……..….......…...….............……..................…········3

5.1一般规定..........….......….....…··．．．．．………………·3

5.2焊接工艺评定…….………………4

5.3熔焊焊接工艺….......…...…..........….....….......….............….....….......….......…··4

5.4搅拌摩擦焊焊接工艺…··………………………··4

日返修…….…........……·······….….…...….......….............5

6检验和试验…·

6.1试验检验项目…

6.2材料检验…·…………………….……………··7

6.3尺寸及形位公差检测………..….…........................g

6.4力学性能检测………………………·8

6.5外观质量检查...………………………··10

6.6无损检测…

6.7＊压试验·········································…·········…·······································……………13

6.8密封试验.........….............….....…............……………