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U.S. Department of Energy
Office of Scientific and Technical Information

Corrosion resistant nickel-iron alloy

Patent ·
OSTI ID:5797151

Disclosed is an alloy eminently suited for use as a tubular product in deep, sour gas operations. The alloy has an optimum combination of corrosion resistance, high strength in the cold worked condition and resistance to sulfide stress cracking and stress corrosion cracking. A typical alloy contains, in weight percent, 0.03 carbon, 22 chromium, 36 iron, 3 molybdenum, 1 manganese, 36 nickel, 0.60 silicon, 0.15 nitrogen, up to 3 tungsten and incidental impurities including copper, cobalt, columbium, tantalum and titanium.

Assignee:
Cabot Corp.
Patent Number(s):
US 4489040
OSTI ID:
5797151
Country of Publication:
United States
Language:
English