Method for producing two-phase Ni—Cr—Mo alloys

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United States of America Patent

PATENT NO 9970091
SERIAL NO

14794259

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Abstract

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In a method for making a wrought nickel-chromium-molybdenum alloy having homogeneous, two-phase microstructures the alloy in ingot form is subjected to a homogenization treatment at a temperature between 2025° F. and 2100° F., and then hot worked at start temperature between 2025° F. and 2100° F. The alloy preferably contains 18.47 to 20.78 wt. % chromium, 19.24 to 20.87 wt. % molybdenum, 0.08 to 0.62 wt. % aluminum, less than 0.76 wt. % manganese, less than 2.10 wt. % iron, less than 0.56 wt. % copper, less than 0.14 wt. % silicon, up to 0.17 wt. % titanium, less than 0.013 wt. % carbon, and the balance nickel.

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Patent Owner(s)

Patent OwnerAddress
HAYNES INTERNATIONAL INC1020 WEST PARK AVENUE KOKOMO IN 46904-9013

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Crook, Paul Kokomo, US 27 520
Metzler, David A Rossville, US 4 75
Mishra, Ajit West Lafayette, US 13 520

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