Method of welding and product obtained therefrom
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United States of America Patent
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-
Nov 1, 1988
Issued Date -
N/A
app pub date -
Apr 21, 1987
filing date -
Dec 9, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A cluster welding electrode assembly is provided which permits the deposition of maximum weights of weld metal with minimum amperage and voltage values. The assembly is comprised of a central rod electrode having circumferentially grouped or nested thereabout in longitudinally aligned relationship a plurality of lesser diameter rod electrodes. Each of the rods in the assembly carries thereon a novel flux coating productive during the welding operation of a nickel-chromium-molybdenum type alloy characterized as dense, porous-free and homogenous. The flux composition incorporates defined amounts of molybdenum and tungsten, and there is obtained by practice of the invention weld metal of low carbon content and substantially improved physical properties.
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