METHOD OF CONNECTING ZINC-PLATED PIPES

FIELD: laying pipe lines; shipbuilding; heating systems. ^ SUBSTANCE: proposed method includes preliminary heating of metal to working soldering point over width of 2-5 cm. Welding rod placed in area of pipe connection is molten by flame of gas burner. In the course of heating and connecting the pip...

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Bibliographische Detailangaben
1. Verfasser:	EHNTONI KOSTA
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MACHINE TOOLS MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PIPES SOLDERING OR UNSOLDERING SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	FIELD: laying pipe lines; shipbuilding; heating systems. ^ SUBSTANCE: proposed method includes preliminary heating of metal to working soldering point over width of 2-5 cm. Welding rod placed in area of pipe connection is molten by flame of gas burner. In the course of heating and connecting the pipes, layer of flux is applied on connection zone and adjacent zone over width of 2 cm. Welding rod may be made from alloy containing copper, zinc, silicon, tin; diameter of welding rod is 1.5-5 mm. Working temperature of alloy is 880-890 C, tensile strength, up to 500 N/sq mm and relative elongation, up to 20%. ^ EFFECT: reliable corrosion protection. ^ 6 cl