Standard No.:	DB37/T 3142-2018
English Name:	Technical regulation of Phased-array Ultrasonic Testing for welded joints of small diameter pipe
Chinese Name:	小径管焊接接头相控阵超声检测技术规程
Chinese Classification:	N77    Ultrasonic wave and sound radiation defectoscope
Professional Classification:	DB    Provincial Standard
ICS Classification:	77.040.01 77.040.01    Testing of metals in general 77.040.01
Source Content Issued by:	Shandong Bureau of Quality and Technical Supervision
Issued on:	2018-02-13
Implemented on:	2018-3-13
Status:	valid
Target Language:	English
File Format:	PDF

本标准规定了钢制承压设备小径管焊接接头相控阵超声检测方法及质量评定。
本标准适用于外径32 mm～89 mm，壁厚为4 mm～20 mm钢制承压设备全熔化焊小径管焊接接头的检测。对厚度大于或者小于以上范围的工件，若经过工艺验证试验，能够满足检测灵敏度要求的，可参照本标准内容。