METHOD OF REPAIR OF SHROUDED ROLLERS OF SECONDARY COOLING ZONE OF CONTINUOUS CASTING MACHINES

METHOD OF REPAIR OF SHROUDED ROLLERS OF SECONDARY COOLING ZONE OF CONTINUOUS CASTING MACHINES

FIELD: repair by welding, applicable for repair of shrouded rollers of secondary cooling zone of continuous casting machines, as well as of other shrouded parts of metallurgical and rolling equipment. SUBSTANCE: repair is accomplished by elimination of defects, preheating and concurrent heating, wel...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SARYCHEV I.S, VETER V.V, SAFONOV I.V, SAMOJLOV M.I, BELKIN G.A, BEZUKLADOV V.I, IL'IN JU.A
Format: Patent
Sprache:eng
Schlagworte:
COMBINED OPERATIONS
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
OTHER WORKING OF METAL
PERFORMING OPERATIONS
TRANSPORTING
UNIVERSAL MACHINE TOOLS
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Zusammenfassung:FIELD: repair by welding, applicable for repair of shrouded rollers of secondary cooling zone of continuous casting machines, as well as of other shrouded parts of metallurgical and rolling equipment. SUBSTANCE: repair is accomplished by elimination of defects, preheating and concurrent heating, welding-on of rings by martensite-class material with subsequent heat and mechanical treatment; welding-on is performed by material with equivalent content of carbon Ce= 0,4-2,0%, relation between Ce and thickness of built-up layer being Ce/b=0.08 to 2.2. EFFECT: facilitated procedure. 1 dwg , 1 tbli