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Spiral Steel Pipe Weld Quality Control Table

Item

Description

External and internal weld

1.Visual inspection
2.X-ray(RT)weld 100% industry TV image
3. (UT)weld 100% and pipe end Lamination

Weld line of pipe end

1.X-ray(RT)weld 100% industry TV image
2.(UT)weld 100%

Manuel weld

1.Visual inspection:weld length, distance of each ,height of weld
2.X-ray(RT)weld 100% industry TV image
3.(UT)weld 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-ray(RT)weld 100% industry TV image
3.(UT)weld 100% and pipe end Lamination


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