MANDREL PIERCING MILL AND METHOD OF ITS MANUFACTURE

FIELD: metallurgy.SUBSTANCE: invention relates to metallurgy and can be used in mandrels for piercing workpieces with production of hollow sleeves and their rolling in production of seamless steel pipes. Mandrel comprises nose and body, nose is made of cermet in form of interpenetrating matrices bas...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Mamleev Rafil Faritovich, Mamleev Rustam Faritovich
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL ROLLING OF METAL TRANSPORTING
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