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S28200 Stainless Steel vs. Austempered Cast Iron

Both S28200 stainless steel and austempered cast iron are iron alloys. They have 62% of their average alloy composition in common. There are 24 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 S28200 stainless steel and the bottom bar is austempered cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
270 to 490
Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 45
1.1 to 13
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
62 to 69
Tensile Strength: Ultimate (UTS), MPa 870
860 to 1800
Tensile Strength: Yield (Proof), MPa 460
560 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Melting Completion (Liquidus), °C 1380
1380
Melting Onset (Solidus), °C 1330
1340
Specific Heat Capacity, J/kg-K 480
490
Thermal Expansion, µm/m-K 18
13

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.9
Density, g/cm3 7.6
7.5
Embodied Carbon, kg CO2/kg material 2.8
1.8
Embodied Energy, MJ/kg 41
25
Embodied Water, L/kg 160
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
19 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 540
880 to 3970
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 32
32 to 66
Strength to Weight: Bending, points 27
27 to 44
Thermal Shock Resistance, points 17
25 to 53

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.020
Carbon (C), % 0 to 0.15
3.4 to 3.8
Chromium (Cr), % 17 to 19
0 to 0.1
Copper (Cu), % 0.75 to 1.3
0 to 0.8
Iron (Fe), % 57.7 to 64.1
89.6 to 94
Magnesium (Mg), % 0
0 to 0.040
Manganese (Mn), % 17 to 19
0.3 to 0.4
Molybdenum (Mo), % 0.75 to 1.3
0 to 0.3
Nickel (Ni), % 0
0 to 2.0
Nitrogen (N), % 0.4 to 0.6
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Selenium (Se), % 0
0 to 0.030
Silicon (Si), % 0 to 1.0
2.3 to 2.7
Sulfur (S), % 0 to 0.030
0 to 0.020
Tin (Sn), % 0
0 to 0.020
Vanadium (V), % 0
0 to 0.1