Steel Tube Handbook - 2018

11 Dispatch Hydrostatic test Product marking Packaging Packaging Precision cold drawn tubes production Swaging Chemical preparation – Pickling, Phosphating, Lubricant Cold drawing Heat treatment Cutting Straightening Surface control Nondestructive examination Preservation Dispatch Division of tubes Heating and pushing Division of elbows End preparation Division of tubes End preparation Bending of tubes Buttwelding fittings production Semiproducts fabrication