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SAE-AISI 8660 Steel vs. N09777 Nickel

SAE-AISI 8660 steel belongs to the iron alloys classification, while N09777 nickel belongs to the nickel alloys. They have 40% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 8660 steel and the bottom bar is N09777 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12
39
Fatigue Strength, MPa 340
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
77
Shear Strength, MPa 390
400
Tensile Strength: Ultimate (UTS), MPa 660
580
Tensile Strength: Yield (Proof), MPa 550
240

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 410
960
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
38
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.5
7.4
Embodied Energy, MJ/kg 20
100
Embodied Water, L/kg 50
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73
180
Resilience: Unit (Modulus of Resilience), kJ/m3 800
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23
20
Strength to Weight: Bending, points 21
19
Thermal Shock Resistance, points 19
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0.56 to 0.64
0 to 0.030
Chromium (Cr), % 0.4 to 0.6
14 to 19
Iron (Fe), % 96.4 to 97.6
28.5 to 47.5
Manganese (Mn), % 0.75 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.25
2.5 to 5.5
Nickel (Ni), % 0.4 to 0.7
34 to 42
Niobium (Nb), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0.15 to 0.35
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.010
Titanium (Ti), % 0
2.0 to 3.0