METHOD FOR HOT PRESSURE WELDING

FIELD: welding tubes with corrosion resistant coating. SUBSTANCE: method comprises steps of mechanically working tube ends and butt joining of them; applying compression effort to butt and heating it until temperature consisting 0.8 - 0.9 of melting temperature value; after achieving temperature 768...

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Bibliographische Detailangaben
Hauptverfasser:	GUBAREV A.V, GUBAREV V.V
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	FIELD: welding tubes with corrosion resistant coating. SUBSTANCE: method comprises steps of mechanically working tube ends and butt joining of them; applying compression effort to butt and heating it until temperature consisting 0.8 - 0.9 of melting temperature value; after achieving temperature 768 -910 C applying additional effort. EFFECT: enhanced quality of joint without damaging corrosion-resistant coating.