HOLLOW SEAMLESS PIPE FOR HIGH-STRENGTH SPRINGS

The present invention provides a hollow seamless pipe for high-strength springs, in which the occurrence of decarburization in an inner peripheral surface and outer peripheral surface is reduced as much as possible, surface layer parts can be sufficiently hardened in the outer peripheral surface and...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TOYOTAKE, KOTARO, HATANO, HITOSHI
Format: Patent
Sprache:eng ; fre ; ger
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