api 5l seamless carbon round black

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api 5l seamless carbon round black

  • Because API 5L GR.B PSL2 Carbon Black Steel Pipe is a continuous extrusion of the alloy,it takes advantage of true roundness of the circumference.Welded seam pipe invariably is not as round in the cross sectional area as a black steel pipe because the welded pipe is wrapped around another form before welding.The welding adds heat,and the equipment adds stress to hold the pipe together.This ...
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