TUBE MEMBER HAVING EXCELLENT LOCAL BENDABILITY, AND METHOD FOR MANUFACTURING SAME

The present invention relates to a tube member having excellent local bending properties that is capable of being freely bent only on a given region thereof at a working temperature, thereby enabling the bending angle thereof to be freely adjusted by a user, and a method for manufacturing the tube m...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KIM, Chun Woo, CHUN, Han Yong, JEE, Kwang Koo
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The present invention relates to a tube member having excellent local bending properties that is capable of being freely bent only on a given region thereof at a working temperature, thereby enabling the bending angle thereof to be freely adjusted by a user, and a method for manufacturing the tube member.According to the present invention, the tube member having excellent local bending properties, which is made of an alloy, may include a first region and a second region having different alloy structures from each other. According to the present invention, the first region may be in a cold-worked state or have an austenite phase at a given working temperature, and the second region may have a martensite phase at the given working temperature and a yield stress value lower than a yield stress value of the first region.