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Spiral Steel Pipe Weld Quality Control

Edit:Ausin Pipeline Material & Equipment Co.,Ltd   Date:Aug 04, 2016

Spiral steel pipe Weld quality control 

 

 Item

Description

External and internal weld 

1.Visual inspection

2.X-rayRTweld 100% industry TV image

3. UTweld 100% and pipe end Lamination 

Weld line of pipe end

1.X-rayRTweld 100% industry TV image

2.UTweld 100%  

Manuel weld

1.Visual inspectionweld length, distance of each ,height of weld

2.X-rayRTweld 100% industry TV image

3.UTweld 100%

Hydrostatic

1.each pipe

2.test pressure time not less than 10 second 

3.check leaks of each pipe

4.save the curve image

5.Test pressure device, pressure calibrator and series machines

   to be calibrated per four month 

Strip end weld

1.Visual inspection

2.X-rayRTweld 100% industry TV image

 3.UTweld 100% and pipe end Lamination

 


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