SEAMLESS CAST IRON HOT DEFORMED TUBE

FIELD: processes for deformation-thermal treatment of iron carbonaceous777 alloys, possibly manufacture of seamless hot deformed tubes. ^ SUBSTANCE: in cast iron hot deformed seamless tube relation of tube wall thickness to its outer diameter is in range 0.01 -0.35. Tube is made of fire777 resistant...

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Bibliographische Detailangaben
Hauptverfasser:	BABANOV A.A, VETER V.V, PRIPADCHEVA N.A, SAMOJLOV M.I, BELKIN G.A
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PIPES PUNCHING METAL SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	FIELD: processes for deformation-thermal treatment of iron carbonaceous777 alloys, possibly manufacture of seamless hot deformed tubes. ^ SUBSTANCE: in cast iron hot deformed seamless tube relation of tube wall thickness to its outer diameter is in range 0.01 -0.35. Tube is made of fire777 resistant cast iron and it contains besides other elements (mass %): carbon, 2.1 -3.8; silicon, 1.0 - 3.5; manganese, 0.05 -0.80. ^ EFFECT: enhanced quality, increased strength, enlarged manufacturing possibilities of tubes due to using them in welded pipelines and structures. ^ 3 cl, 1 dwg, 1 ex