High weldability nickel-base superalloy

Patent · Tue Jan 01 00:00:00 EST 1980

OSTI ID:863706

Gibson, Robert C ^[1]; Korenko, Michael K ^[2]

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1. Ringwood, NJ
2. Richland, WA

This is a nickel-base superalloy with excellent weldability and high strength. Its composition consists essentially of, by weight percent, 10-20 iron, 57-63 nickel, 7-18 chromium, 4-6 molybdenum, 1-2 niobium, 0.2-0.8 silicon, 0.01-0.05 zirconium, 1.0-2.5 titanium, 1.0-2.5 aluminum, 0.02-0.06 carbon, and 0.002-0.015 boron. The weldability and strength of this alloy give it a variety of applications. The long-time structural stability of this alloy together with its low swelling under nuclear radiation conditions, make it especially suitable for use as a duct material and controlling element cladding for sodium-cooled nuclear reactors.

• Research Organization: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
• DOE Contract Number: E(45-1)-2170
• Assignee: United States of America as represented by United States (Washington, DC)
• Patent Number(s): US 4231795
• OSTI ID: 863706
• Country of Publication: United States
• Language: English

Related Subjects

weldability
nickel-base
superalloy
excellent
strength
composition
consists
essentially
weight
percent
10-20
iron
57-63
nickel
7-18
chromium
4-6
molybdenum
1-2
niobium
2-0
silicon
01-0
05
zirconium
0-2
titanium
aluminum
02-0
06
carbon
002-0
015
boron
alloy
variety
applications
long-time
structural
stability
swelling
nuclear
radiation
conditions
especially
suitable
duct
material
controlling
element
cladding
sodium-cooled
reactors
nuclear radiation
nuclear reactors
weight percent
nuclear reactor
consists essentially
cooled nuclear
especially suitable
nickel-base superalloy
structural stability
composition consists
sodium-cooled nuclear
rolling element
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