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Austempered Cast Iron vs. S36200 Stainless Steel

Both austempered cast iron and S36200 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is austempered cast iron and the bottom bar is S36200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 1.1 to 13
3.4 to 4.6
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 62 to 69
76
Tensile Strength: Ultimate (UTS), MPa 860 to 1800
1180 to 1410
Tensile Strength: Yield (Proof), MPa 560 to 1460
960 to 1240

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Melting Completion (Liquidus), °C 1380
1440
Melting Onset (Solidus), °C 1340
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 42
16
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
12
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 1.8
2.8
Embodied Energy, MJ/kg 25
40
Embodied Water, L/kg 48
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 95
46 to 51
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 3970
2380 to 3930
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 66
42 to 50
Strength to Weight: Bending, points 27 to 44
32 to 36
Thermal Diffusivity, mm2/s 11
4.3
Thermal Shock Resistance, points 25 to 53
40 to 48

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.1
Arsenic (As), % 0 to 0.020
0
Carbon (C), % 3.4 to 3.8
0 to 0.050
Chromium (Cr), % 0 to 0.1
14 to 14.5
Copper (Cu), % 0 to 0.8
0
Iron (Fe), % 89.6 to 94
75.4 to 79.5
Magnesium (Mg), % 0 to 0.040
0
Manganese (Mn), % 0.3 to 0.4
0 to 0.5
Molybdenum (Mo), % 0 to 0.3
0 to 0.3
Nickel (Ni), % 0 to 2.0
6.5 to 7.0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Selenium (Se), % 0 to 0.030
0
Silicon (Si), % 2.3 to 2.7
0 to 0.3
Sulfur (S), % 0 to 0.020
0 to 0.030
Tin (Sn), % 0 to 0.020
0
Titanium (Ti), % 0
0.6 to 0.9
Vanadium (V), % 0 to 0.1
0