作废 SY/T 6423.4-1999
石油天然气工业 承压钢管无损检测方法 焊接钢管焊缝附近分层缺欠的超声波检测 石油天然气工业 承压钢管无损检测方法 焊接钢管焊缝附近分层缺欠的超声波检测 Petreoleum and natural gas industries—Non-destructive testing (NDT) methods of steel tubes for pressure purposes—Ultrasonic testing of the area adjacent to the weld seam oof welded steel tubs for the detection of laminar imperfections
发布日期:1999-08-09
实施日期:2000-04-01
分类信息
标准简介

1.1 本标准按照三种小同的验收等级(见表1),规定了承压用焊接钢管焊缝附近分层缺欠的超卢波检测要求。 本标准的目的是用于检测焊缝附近可能影响焊缝完整性的分层缺欠和/或焊缝缺欠。 注1:此项检测也可按照SY/T 6423.5的规定,在焊接前,对展平的钢带/钢板(用于制造焊接钢管)的纵向边缘进行超声波检测。1.2本标准适用于公称外径大于30mm的焊接钢管的检测。钢管壁厚下限未作规定,见注2。 注2:对公称壁厚小于5mm的钢管,采用该方法检测及确定分层缺欠尺寸时可能会遇到困难。出现这种情况时。要求购方和制造厂进行协商以确定采用的检测方法

相似标准/计划/法规
SY/T 6423.1-2013
石油天然气工业 钢管无损检测方法 第1部分:焊接钢管焊缝缺欠的射线检测
Petroleum and natural gas industries—Non-destructive testing (NDT) methods of steel tubes—Part1:Radiographic testing of weld seam of welded steel tubes for detection of imperfections
2013-11-28
SY/T 6423.4-2013
石油天然气工业 钢管无损检测方法 第4部分:无缝和焊接钢管分层缺欠的自动超声检测
Petroleum and natural gas industries -- Non-destructive testing (NDT) methods of steel tubes -- Part 4:Automated ultrasonic testing of seamless and welded steel tubes for the detection of laminar imperfections
2013-11-28
SY/T 6423.5-2014
石油天然气工业 钢管无损检测方法 第5部分:焊接钢管焊缝缺欠的数字射线检测
Petroleum and natural gas industries--Non-destructive testing (NDT)methods of steel tubes--Part 5: Digital radiographic testing of the weld seam of welded steel tubes for the detection of imperfections
2014-10-15
SY/T 6423.2-2013
石油天然气工业 钢管无损检测方法 第2部分:焊接钢管焊缝纵向和/或横向缺欠的自动超声检测
Petroleum and natural gas industries. Non-destructive testing (NDT) methods of steel tubes. Part 2:Automated ultrasonic testing of the weld seam of welded steel tubes for the detection of longitudinal and/or transverse imperfections
2013-11-28
SY/T 6423.7-2017
石油天然气工业 钢管无损检测方法 第7部分:无缝和焊接铁磁性钢管表面缺欠的磁粉检测
Petroleum and natural gas industries—Non-destructive testing (NDT) methods of steel tubes—Part 7 : Magnetic particle inspection of seamless and welded ferromagnetic steel tubes for the detection of surface imperfections
2017-03-28
SY/T 6423.3-2013
石油天然气工业 钢管无损检测方法 第3部分:焊接钢管用钢带/钢板分层缺欠的自动超声检测
Petroleum and natural gas industries -- Non-destructive testing(NDT)methods of steel tubes -- Part 3:Automated ultrasonic testing for the detection of laminar imperfections in strip/plate used for the manufacture of welded steel tubes
2013-11-28
SY/T 6423.8-2017
石油天然气工业 钢管无损检测方法 第8部分:无缝和焊接(埋弧焊除外)钢管纵向和/或横向缺欠的全周自动超声检测
Petroleum and natural gas industries—Non-destructive testing (NDT) methods of steel tubes—Part 8: Automated full peripheral ultrasonic testing of seamless and welded (except submerged arc-welded) steel tubes for the detection of longitudinal and/or transverse imperfections
2017-03-28
SY/T 6423.6-2014
石油天然气工业 钢管无损检测方法 第6部分:无缝和焊接(埋弧焊除外)铁磁性钢管纵向和/或横向缺欠的全周自动漏磁检测
Petroleum and natural gas industries--Non-destructive testing (NDT)methods of steel tubes—Part 6: Automated full peripheral flux leakagetesting of seamless and welded ( except submerged arc-welded) ferromagneticsteel tubes for the detection of longitudinal and/or transverse imperfections
2014-10-15
焊接钢管缺欠焊缝分层

最后更新时间 2025-08-30