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Austempered Cast Iron vs. EN 2.4851 Nickel

Austempered cast iron belongs to the iron alloys classification, while EN 2.4851 nickel belongs to the nickel alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is austempered cast iron and the bottom bar is EN 2.4851 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270 to 490
190
Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 1.1 to 13
34
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 62 to 69
76
Tensile Strength: Ultimate (UTS), MPa 860 to 1800
650
Tensile Strength: Yield (Proof), MPa 560 to 1460
230

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Melting Completion (Liquidus), °C 1380
1360
Melting Onset (Solidus), °C 1340
1310
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 42
11
Thermal Expansion, µm/m-K 13
14

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
49
Density, g/cm3 7.5
8.2
Embodied Carbon, kg CO2/kg material 1.8
8.1
Embodied Energy, MJ/kg 25
120
Embodied Water, L/kg 48
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 95
170
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 3970
130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 32 to 66
22
Strength to Weight: Bending, points 27 to 44
20
Thermal Diffusivity, mm2/s 11
2.9
Thermal Shock Resistance, points 25 to 53
17

Alloy Composition

Aluminum (Al), % 0 to 0.050
1.0 to 1.7
Arsenic (As), % 0 to 0.020
0
Boron (B), % 0
0 to 0.0060
Carbon (C), % 3.4 to 3.8
0.030 to 0.1
Chromium (Cr), % 0 to 0.1
21 to 25
Copper (Cu), % 0 to 0.8
0 to 0.5
Iron (Fe), % 89.6 to 94
7.7 to 18
Magnesium (Mg), % 0 to 0.040
0
Manganese (Mn), % 0.3 to 0.4
0 to 1.0
Molybdenum (Mo), % 0 to 0.3
0
Nickel (Ni), % 0 to 2.0
58 to 63
Phosphorus (P), % 0 to 0.040
0 to 0.020
Selenium (Se), % 0 to 0.030
0
Silicon (Si), % 2.3 to 2.7
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.015
Tin (Sn), % 0 to 0.020
0
Titanium (Ti), % 0
0 to 0.5
Vanadium (V), % 0 to 0.1
0