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Why Large Diameter Thick Walled Steel Pipe with Two Welds

Why is a large diameter thick-walled tube with two welds? Mainly due to raw material problems and equipment processing problems. Customer requirements of large-diameter mild steel pipe width of the re...

Why is a large diameter thick-walled tube with two welds? Mainly due to raw material problems and equipment processing problems. Customer requirements of large-diameter mild steel pipe width of the required width of the steel mills generally do not produce, so the manufacturer must be two plates for welding, and the emergence of this weld situation. Production of large diameter thick-walled tube volume of the main problem is the welding, custom-made taper steel tube, as long as the detection can be detected by the relevant requirements of delivery compared to other products, the broader comparison.

Large-diameter thick-walled carbon steel pipe detection method is the main ultrasonic flaw detector, should pay attention to the problem: 1, the volume tube of the same tube section of the longitudinal weld should not be greater than two. 2, volume tube butt weld group corresponding to the inner wall flush when the nominal diameter greater than the tube should be in the back cover welding. In the coil processing processFree Articles, should prevent the sheet surface damage.

 

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