Rawmaterialsintotheplant, Test raw materials,Pipe end upsetting, Whole pipe heat treatment, Wholepipestraightening,MFLT&UT, Pipe end MT, Pipe end straightness inspection, Machining on pipe end, GrindingIDof transitionalzone, Frictionwelding, Alignment inspection, Weldzoneannealing, RemoveODflashing, Weldzonequenching, Weldzonetempering, GrindingOD, GrindingID, WeldzoneMT, WeldzoneUT, Finishedproductsinspection, Hard-banding、coating、packing、storing.
Testing ofraw materials, Forging, Normalizing, Blanking and Boring, Heat treatment, Hardness inspection, Testing mechanical properties, Sauberdrehen, MT inspection, UT inspection, Threading, Marking, Phosphate or copper coating.
