SY∕T 7317-2016 海底管线用直缝埋弧焊钢管焊缝自动超声检测.pdf

ICS75.180.10

E92

备案号：57701-2017\

中华人民共和国石油天然气行业标准

SYn‘7317-2016

海底管线用直缝埋弧焊钢管焊缝

自动超声检测

Theautomaticultrasonictestingforweldoflongitudinal~ubmerged

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2016-12-05发布2017-05-01实施

国家能源局发布

SYff7317一却16

目次

前言……………··············……II

I范围·

2规范性引用文件－

3一般要求…·

4自动超声检测系统、探头及试块………………………2

4.1自动超声检测系统……………..2

4.2探头…………...…...…..2

4.3试块……··………………………….2

5检测系统的调试…

5.1调试内容……·······················……·＇………..5

5.2检测系统分区调试……·········………5

.5.3检测系统的总体调试……········……6

5.4检测系统设备测试项目及方法……··…………….6

6检测条件和方法…………·······································……………..6

6.1扫查灵敏度·····································…………….，.，，.，，…..6

6.2检测灵敏度的校验……··············……·····················……………6

6.3藕合监视的校验.….......….…..…························…························…6

6.4检测速度…………··………·················…….6

6.5焊缝自动跟踪………………………6

6.6标记……………....…………….7

6.7管端未检测区域……………················…………….7

6.8检测灵敏度复核…………··………7

7检测结果显示的评定………………7

8验收……………························…:……………~………………·········….7

9检测报告和存档…·………·………………8

附录A（资料性附录）典型探头的排列布置…………··············…………·…………..9

附录B（资料性附录）典型对比试块的设计……………..11

附录c（规范性附录）自动超声检测系统测试与方法…···········……………·················…·14

SY.厅7317-2016