Element	Content (%)
Nickel, Ni	40-45
Iron, Fe	33
Chromium, Cr	11-14
Molybdenum, Mo	5.0 - 6.50
Titanium, Ti	2.80-3.10
Cobalt, Co	1
Manganese, Mn	0.50
Copper, Cu	0.50
Silicon, Si	0.40
Aluminum, Al	0.35
Carbon, C	0.10
Sulfur, S	0.030

Properties	Metric	Imperial
Tensile strength (precipitation hardened, value at room temperature)	1200 MPa	174000 psi
Yield strength (@strain 0.200%, precipitation hardened, value at room temperature)	875 MPa	127000 psi
Elongation at break (precipitation hardened)	15%	15%

▪ UNS N09901 ▪ Werkstoff Number 2.4662 ▪ BR HR 55 ▪ AMS 5660 ▪ AMS 5661 ▪ AECMA PrEN2176 ▪ AECMA PrEN2177 ▪ ISO 9723 ▪ ISO 9725 ▪ MSRR 7029, MSRR 7031 ▪ Nimonic alloy 901