INCONEL® Alloy 718
2.4668 / UNS N07718
A precipitation-hardenable nickel-chromium alloy containing also significant amounts of iron, niobium, and molybdenum along with lesser amounts of aluminium and titanium. It combines corrosion resistance and high strength with outstanding weldability including resistance to postweld cracking. The alloy has excellent creep-rupture strength at temperatures to 1300°F (700°C). Used in gas turbines, rocket motors, spacecraft, nuclear reactors, pumps and tooling.
Stock program
- 12.70 mm
- 15.88 mm
- 16.00 mm
- 19.05 mm
- 20.00 mm
- 25.00 mm
- 25.40 mm
- 32.00 mm
- 35.00 mm
- 40.00 mm
- 45.00 mm
- 50.80 mm
- 65.00 mm
- 76.20 mm
- 82.50 mm
- 85.00 mm
- 95.00 mm
- 101.60 mm
- 114.30 mm
- 127.00 mm
- 152.40 mm
- 165.10 mm
- 187.32 mm
Details at a glance
Chemical composition
Ni¹
50.00 - 55.00 %
Cr
17.00 - 21.00 %
Fe
Balance
Nb²
4.75 - 5.50 %
Mo
2.80 - 3.30 %
Ti
0.65 - 1.15 %
Al
0.20 - 0.80 %
Co³
max. 1.00 %
Mn
max. 0.35 %
Si
max. 0.35 %
Cu
max. 0.30 %
C
max. 0.08 %
P
max. 0.015 %
S
max. 0.015 %
B
max. 0.006 %
¹ Plus Co
² Plus Ta
³ If determined
Density
g/cm³
8.19
lb/in³
0.296
Recommended Welding Products
Filler Metal
INCONEL 718
® trademark of the Special Metals Corporation group of companies
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