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The shape can be round, square, rectangular or whatever can be designed and manufactured for a particular application.
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we have
1.Flattening test
2.Automatic ultrasonic flaw detector
3.Final product testing
4.Salt spray corrosion testing box
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It is for structural function. round, square, rectangular or designed and manufactured for a particular application.
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Squaretube, other name: Square tubing, Square hollow section, SHS, Square hollowprofile.
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we do pvc package at end
threaded each end with coupling
grooved each end
inspect the outer diameter, zinc amount , thickness
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inspection:With hydraulic testing, eddy current and infrared test
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it is generally used for the oil and gas transmission and pipe pile
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ERW pipe has
High dimensional accurancy
Good mechanical property
Good extension
Superior toughness
Longitudinal resistance
