Process for manufacturing a cylindrical hollow body and hollow body made thereby

Process for manufacturing cylindrical hollow bodies with a circular cross-section using solid rough material of corrosion-resistant, martensitic chromium steels. A remelting block is produced and a tube blank is made therefrom, the tube blank being formed into a tube at hot forming temperature by ex...

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Bibliographische Detailangaben
Hauptverfasser: LICHTENEGGER GERHARD, SCHIRNINGER GUNTER, SCHNEIDER REINHOLD
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Process for manufacturing cylindrical hollow bodies with a circular cross-section using solid rough material of corrosion-resistant, martensitic chromium steels. A remelting block is produced and a tube blank is made therefrom, the tube blank being formed into a tube at hot forming temperature by extrusion at a deformation ratio of at least 6. Hollow bodies are cut from the resultant tube.