[1]陈 鹏,王 琦,徐振亚,等.钢管超声波探伤通孔与刻槽校验灵敏度差异原因探究[J].焊管,2020,43(6):58-63.[doi:10.19291/j.cnki.1001-3938.2020.06.011]
 CHEN Peng,WANG Qi,XU Zhenya,et al.Study on the Reason of the Difference of Verification Sensitivity between Through-hole and Groove in Steel Pipe Ultrasonic Inspection[J].,2020,43(6):58-63.[doi:10.19291/j.cnki.1001-3938.2020.06.011]
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钢管超声波探伤通孔与刻槽
校验灵敏度差异原因探究
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
43
期数:
2020年第6期
页码:
58-63
栏目:
经验交流
出版日期:
2020-06-28

文章信息/Info

Title:
Study on the Reason of the Difference of Verification Sensitivity
between Through-hole and Groove in Steel Pipe Ultrasonic Inspection
文章编号:
10.19291/j.cnki.1001-3938.2020.06.011
作者:
陈 鹏王 琦徐振亚董 斌
宝山钢铁股份有限公司,上海 201901
Author(s):
CHEN PengWANG QiXU ZhenyaDONG Bin
Baoshan Iron & Steel Co.,Ltd.,Shanghai 201901,China
关键词:
焊管超声波探伤通孔校验灵敏度刻槽校验灵敏度纵向偏差
Keywords:
welded pipe ultrasonic inspection through-hole verification sensitivity groove verification sensitivity longitudinal deflection
分类号:
TG115.285
DOI:
10.19291/j.cnki.1001-3938.2020.06.011
文献标志码:
B
摘要:
针对HFW焊管在线焊缝超声波探伤对点状裂纹和夹杂类缺陷敏感度不高现象,通过对比试验发现,在60%波高下,在线焊缝超声波探伤Φ3.2 mm竖通孔校验灵敏度高于10%壁厚刻槽校验灵敏度。研究表明,导致其异常的原因为探头相对钢管发生纵向偏转。通过对现场设备进行改进,解决了多年来焊管生产线在线焊缝探伤与离线焊缝探伤结果存在差异的问题,保证了焊管生产线产能的提高。
Abstract:
In view of the low sensitivity to spot cracks and inclusion defects of HFW welded pipe on-line ultrasonic inspection, it is found through comparison test that the on-line ultrasonic inspection sensitivity gain value of Φ3.2 mm vertical hole is higher than that of 10% wall thickness groove inspection sensitivity gain value at 60% wave height. The reason for the abnormality is the longitudinal deflection of the probe relative to the steel pipe. By improving the field equipment, the problem of the difference between the on-line weld ultrasonic inspection and the off-line weld ultrasonic inspection in the welded pipe production line for many years has been solved, and the productivity of the welded pipe production line has been improved.

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备注/Memo

备注/Memo:
收稿日期:2019-07-18
作者简介:陈  鹏(1985—),男,工程师,主要从事HFW焊管无损检测方面的工作。
更新日期/Last Update: 2020-07-17