Standard No.:	GB/T 5777-2019/XG1-2021
English Name:	Automated full peripheral ultrasonic testing of seamless and welded(except submerged arc-welded) steel tubes for the detection of longitudinal and/or transverse imperfections,includes Amendment 1
Chinese Name:	《无缝和焊接（埋弧焊除外）钢管纵向和/或横向缺欠的全圆周自动超声检测》含国家标准第1号修改单
Chinese Classification:	H26    Metal nondestructive testing method
Professional Classification:	GB    National Standard
ICS Classification:	77.040.20 77.040.20    Non-destructive testing of metals 77.040.20
Source Content Issued by:	SAMR; SAC
Issued on:	2021-05-21
Implemented on:	2021-12-1
Status:	valid
Superseding:	GB/T 5777-2019 Automated full peripheral ultrasonic testing of seamless and welded(except submerged arc-welded) steel tubes for the detection of longitudinal and/or transverse imperfections
Target Language:	English
File Format:	PDF
Word Count:	7500 words
Translation Price(USD):	180.0
Delivery:	via email in 1~3 business day

本标准规定了用于无缝钢管和埋弧焊除外的焊接钢管纵向和/或横向缺欠的全圆周自动超声横波（由常规或相控阵技术产生）检测的要求。
本标准适用于外径不小于6mm且外径与壁厚之比不小于5的钢管的超声检测。对于外径与壁厚之比小于5的钢管纵向缺欠检测见附录A。