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Austempered Cast Iron vs. N10665 Nickel

Austempered cast iron belongs to the iron alloys classification, while N10665 nickel belongs to the nickel alloys. There are 25 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 austempered cast iron and the bottom bar is N10665 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
220
Elongation at Break, % 1.1 to 13
45
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 62 to 69
84
Tensile Strength: Ultimate (UTS), MPa 860 to 1800
860
Tensile Strength: Yield (Proof), MPa 560 to 1460
400

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Melting Completion (Liquidus), °C 1380
1620
Melting Onset (Solidus), °C 1340
1570
Specific Heat Capacity, J/kg-K 490
390
Thermal Conductivity, W/m-K 42
11
Thermal Expansion, µm/m-K 13
10

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
75
Density, g/cm3 7.5
9.3
Embodied Carbon, kg CO2/kg material 1.8
15
Embodied Energy, MJ/kg 25
200
Embodied Water, L/kg 48
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 95
320
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 3970
360
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 32 to 66
26
Strength to Weight: Bending, points 27 to 44
22
Thermal Diffusivity, mm2/s 11
3.1
Thermal Shock Resistance, points 25 to 53
27

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Arsenic (As), % 0 to 0.020
0
Carbon (C), % 3.4 to 3.8
0 to 0.020
Chromium (Cr), % 0 to 0.1
0 to 1.0
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0 to 0.8
0
Iron (Fe), % 89.6 to 94
0 to 2.0
Magnesium (Mg), % 0 to 0.040
0
Manganese (Mn), % 0.3 to 0.4
0 to 1.0
Molybdenum (Mo), % 0 to 0.3
26 to 30
Nickel (Ni), % 0 to 2.0
64.8 to 74
Phosphorus (P), % 0 to 0.040
0 to 0.040
Selenium (Se), % 0 to 0.030
0
Silicon (Si), % 2.3 to 2.7
0 to 0.1
Sulfur (S), % 0 to 0.020
0 to 0.030
Tin (Sn), % 0 to 0.020
0
Vanadium (V), % 0 to 0.1
0