Weld Ultrasonic Flaw Detection

What is Introduction of Weld Ultrasonic Flaw Detection for HZQ50/150 Bridge Crane?

FAQ Dec 04, 2012 1 Comment

HZQ50/150 bridge crane is a new type of highway bridge construction equipment designed by ZZHZ. Because it is of non-standard and special equipment, its safety is quite important for personnel safety, so careful ultrasonic flaw detection is necessary. Below are some details:

highway bridge construction crane

highway bridge construction crane

  1. product item: HZQ50/150 bridge crane
  2. detecting instrument: CTS-2020
  3. material specification: Q345B/Thickness: 6mm
  4. grooves shapes: V type groove
  5. detection method: bilateral perpendicular incidence for single side and single bounce technique
  6. flaw detection sensitivity: 2×40-18Db
  7. detector specification: 5P8 x 12K2.5
  8. surface compensation: 6 Db
  9. test block: CSK- I A, CSK-II A
  10. coupler : industrial paste
  11. inspection and acceptance standard: JB/T4730.3-2005 B I grade  100%

Detection conclusion should be:

Joint weld seam for main girder web plate is qualified and in accordance with demands of JB/T4730.3-2005 B I grade, no flaw is found.

To sum up, weld ultrasonic detection plays a main role in the safety aspect of bridge crane and personnel, we should pay more attention to weld ultrasonic flaw detection.

One Response to “What is Introduction of Weld Ultrasonic Flaw Detection for HZQ50/150 Bridge Crane?”

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