What is Introduction of Weld Ultrasonic Flaw Detection for HZQ50/150 Bridge Crane?
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
- product item: HZQ50/150 bridge crane
- detecting instrument: CTS-2020
- material specification: Q345B/Thickness: 6mm
- grooves shapes: V type groove
- detection method: bilateral perpendicular incidence for single side and single bounce technique
- flaw detection sensitivity: 2×40-18Db
- detector specification: 5P8 x 12K2.5
- surface compensation: 6 Db
- test block: CSK- I A, CSK-II A
- coupler : industrial paste
- 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.
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