METHOD FOR MAKING BIMETALLIC WEAR-RESISTANT TUBES FOR TRANSPORTING LOOSE ABRASIVE MATERIALS AND PULPS IN TUBE ROLLING AGGREGATES WITH PILGER MILLS

FIELD: rolled tube production, namely production of bimetallic tubes, possibly in tube rolling equipment with pilger mills. ^ SUBSTANCE: method comprises steps of centrifugal casting of hollow bimetallic billets with wear-resistant layer whose thickness consists 50 - 60% of whole thickness of billet...

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Hauptverfasser:	SAF'JANOV ANATOLIJ VASIL'EVICH, LAPIN LEONID IGNAT'EVICH, KLIMOV NIKOLAJ PETROVICH, FEDOROV ALEKSANDR ANATOL'EVICH, VOL'BERG ISAAK IOSIFOVICH, GRITSENKO PAVEL ALEKSANDROVICH, ROMANTSOV IGOR' ALEKSANDROVICH, TAZETDINOV VALENTIN IREKLEEVICH, LOGOVIKOV VALERIJ ANDREEVICH, GOLOVINOV VALERIJ ALEKSANDROVICH, NIKITIN KIRILL NIKOLAEVICH, NENAKHOV SERGEJ VASIL'EVICH, MATJUSHIN ALEKSANDR JUR'EVICH, ANDRJUNIN SERGEJ ALEKSANDROVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL ROLLING OF METAL TRANSPORTING
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	FIELD: rolled tube production, namely production of bimetallic tubes, possibly in tube rolling equipment with pilger mills. ^ SUBSTANCE: method comprises steps of centrifugal casting of hollow bimetallic billets with wear-resistant layer whose thickness consists 50 - 60% of whole thickness of billet wall; heating billets till yielding temperature and rolling bimetallic tubes in tube rolling aggregates with pilger mills at elongation degree no more than 9 that is at mu