Standard No.:	GB/T 40791-2021
English Name:	Non-destructive testing of steel tubes—Radiographic testing of the weld seam of welded steel tubes for the detection of imperfections
Chinese Name:	钢管无损检测 焊接钢管焊缝缺欠的射线检测
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
Issued by:	SAMR; SAC
Issued on:	2021-10-11
Implemented on:	2022-5-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	9500 words
Price(USD):	285.00
Delivery:	via email in 1~3 business day

本文件规定了自动熔化电弧焊钢管直焊缝和螺旋焊缝缺欠的X射线（胶片）照相的检测要求。
本文件也适用于圆形空心型材的检测。
注1: 数字射线检测作为本检测方法的代替方法，见ISO 10893-7。
注2: 对接焊缝的射线检测可参照执行。