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Austempered Cast Iron vs. EN 1.4362 Stainless Steel

Both austempered cast iron and EN 1.4362 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is austempered cast iron and the bottom bar is EN 1.4362 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270 to 490
230
Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 1.1 to 13
25
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 62 to 69
79
Tensile Strength: Ultimate (UTS), MPa 860 to 1800
730
Tensile Strength: Yield (Proof), MPa 560 to 1460
460

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Melting Completion (Liquidus), °C 1380
1420
Melting Onset (Solidus), °C 1340
1380
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 42
15
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
14
Density, g/cm3 7.5
7.7
Embodied Carbon, kg CO2/kg material 1.8
2.9
Embodied Energy, MJ/kg 25
41
Embodied Water, L/kg 48
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 95
160
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 3970
530
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 66
26
Strength to Weight: Bending, points 27 to 44
23
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 25 to 53
20

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 0.030
Chromium (Cr), % 0 to 0.1
22 to 24.5
Copper (Cu), % 0 to 0.8
0.1 to 0.6
Iron (Fe), % 89.6 to 94
65.5 to 74.3
Magnesium (Mg), % 0 to 0.040
0
Manganese (Mn), % 0.3 to 0.4
0 to 2.0
Molybdenum (Mo), % 0 to 0.3
0.1 to 0.6
Nickel (Ni), % 0 to 2.0
3.5 to 5.5
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Selenium (Se), % 0 to 0.030
0
Silicon (Si), % 2.3 to 2.7
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Tin (Sn), % 0 to 0.020
0
Vanadium (V), % 0 to 0.1
0