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SAE-AISI 8660 Steel vs. EN 2.4680 Cast Nickel

SAE-AISI 8660 steel belongs to the iron alloys classification, while EN 2.4680 cast nickel belongs to the nickel alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 8660 steel and the bottom bar is EN 2.4680 cast nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 12
9.1
Fatigue Strength, MPa 340
120
Poisson's Ratio 0.29
0.26
Shear Modulus, GPa 73
84
Tensile Strength: Ultimate (UTS), MPa 660
600
Tensile Strength: Yield (Proof), MPa 550
260

Thermal Properties

Latent Heat of Fusion, J/g 250
350
Maximum Temperature: Mechanical, °C 410
1050
Melting Completion (Liquidus), °C 1450
1360
Melting Onset (Solidus), °C 1410
1320
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
14
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
60
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.5
9.1
Embodied Energy, MJ/kg 20
130
Embodied Water, L/kg 50
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73
45
Resilience: Unit (Modulus of Resilience), kJ/m3 800
160
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 10
3.7
Thermal Shock Resistance, points 19
14

Alloy Composition

Carbon (C), % 0.56 to 0.64
0 to 0.1
Chromium (Cr), % 0.4 to 0.6
48 to 52
Iron (Fe), % 96.4 to 97.6
0 to 1.0
Manganese (Mn), % 0.75 to 1.0
0 to 0.5
Molybdenum (Mo), % 0.15 to 0.25
0 to 0.5
Nickel (Ni), % 0.4 to 0.7
42.9 to 51
Niobium (Nb), % 0
1.0 to 1.8
Nitrogen (N), % 0
0 to 0.16
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.020