UNS N09777 Nickel-Iron Alloy
Nickel Alloys
Property Overview
Density8.1g/cm³
Elastic Modulus200GPa
Tensile Strength580MPa
Yield Strength240MPa
Brinell HardnessUnknown
Maximum Service Temperature960°C
Chemical Composition
C
0 to 0.030%
CR
14 to 19%
NI
34 to 42%
MO
2.5 to 5.5%
MN
0 to 1.0%
SI
0 to 0.5%
P
0 to 0.030%
S
0 to 0.010%
NB
0 to 0.1%
TI
2.0 to 3.0%
AL
0 to 0.35%
FE
28.5 to 47.5%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
39 %
Fatigue Strength
190 MPa
Poisson's Ratio
0.29
Reduction in Area
57 %
Shear Modulus
77 GPa
Shear Strength
400 MPa
Tensile Strength: Ultimate (UTS)
580 MPa
Tensile Strength: Yield (Proof)
240 MPa
Physical
Density
8.1 g/cm 3
Thermal
Latent Heat of Fusion
300 J/g
Maximum Temperature: Mechanical
960 °C
Melting Completion (Liquidus)
1440 °C
Melting Onset (Solidus)
1390 °C
Specific Heat Capacity
460 J/kg-K
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
16 points
Calculated
PREN (Pitting Resistance)
30
Resilience: Ultimate (Unit Rupture Work)
180 MJ/m 3
Resilience: Unit (Modulus of Resilience)
140 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
20 points
Strength to Weight: Bending
19 points
Environmental
Base Metal Price
38 % relative
Embodied Carbon
7.4 kg CO 2 /kg material
Embodied Energy
100 MJ/kg
Embodied Energy
100 MJ/kg 45 x 10 3 BTU/lb
Embodied Water
200 L/kg
Embodied Water
200 L/kg 24 gal/lb
Registered Designations & Aliases
N09777UNS N09777 Nickel-Iron Alloy
Standards
ASTM B805 ASTM B805: Standard Specification for Precipitation Hardening Nickel Alloys UNS N07716, N07725, N07773, N07776, and N09777, Bar and Wire
ASTM B805 ASTM B805: Standard Specification for Precipitation Hardening Nickel Alloys UNS N07716, N07725, N07773, N07776, and N09777, Bar and Wire Microstructure of Superalloys, Madeleine Durand-Charre, 1998 Welding Metallurgy and Weldability of Nickel-Base Alloys, John C. Lippold et al., 2009 Aerospace Materials, Brian Cantor et al. (editors), 2001 Engineering Properties of Nickel and Nickel Alloys, John L. Everhart, 1971 Nickel Alloys, Ulrich Heubner (editor), 1998