... ,shipbuilding ,construction ,etcEndsPlain or Beveled (Can be Protected By Plastic Pipe Cap)Surface treatmentBare Or Paint,Oil, Bitumen,1-3 layer ... Inside Anti-Corrosion Treatment Can Supply)InspectionWith Hydraulic Testing, Eddy Current , Infrared or X-Ray TestAlso With Chemical And Physical Property InspectTechniquehot rolled ...