Coated welding electrode having resistance to ductility dip cracking, and weld deposit produced therefrom

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United States of America Patent

PATENT NO 8603389
APP PUB NO 20080121629A1
SERIAL NO

11814244

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Abstract

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A Ni—Cr—Fe alloy in the form of a weld deposit, a welding electrode and flux and a method of welding utilizing the Ni—Cr—Fe alloy. The alloy comprises in % by weight: 27-31 Cr, 6-11 Fe, 0.01-0.04 C, 1.5-4 Mn, 1-3 Nb, up to 3 Ta, 1-3 (Nb+Ta), 0.01-0.50 Ti, 0.0003-0.02 Zr, 0.0005-0.004 B, <0.50 Si, 0.50 max Al, <0.50 Cu, <1.0 W, <1.0 Mo, <0.12 Co, <0.015 S, <0.015 P, 0.01 max Mg, balance Ni plus incidental additions and impurities. The welding method includes welding using a short arc wherein the distance from the electrode tip to the weld deposit is maintained at less than 0.125 inch.

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Patent Owner(s)

Patent OwnerAddress
HUNTINGTON ALLOYS CORPORATION3200 RIVERSIDE DRIVE HUNTINGTON WV 25705

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kiser, Samuel D Lenoir, US 9 77

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