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S46910 Stainless Steel vs. Austempered Cast Iron

Both S46910 stainless steel and austempered cast iron are iron alloys. They have 73% 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 S46910 stainless steel and the bottom bar is austempered cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270 to 630
270 to 490
Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 2.2 to 11
1.1 to 13
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
62 to 69
Tensile Strength: Ultimate (UTS), MPa 680 to 2470
860 to 1800
Tensile Strength: Yield (Proof), MPa 450 to 2290
560 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
490
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 18
2.9
Density, g/cm3 7.9
7.5
Embodied Carbon, kg CO2/kg material 4.1
1.8
Embodied Energy, MJ/kg 55
25
Embodied Water, L/kg 140
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48 to 130
19 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 4780
880 to 3970
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 86
32 to 66
Strength to Weight: Bending, points 22 to 51
27 to 44
Thermal Shock Resistance, points 23 to 84
25 to 53

Alloy Composition

Aluminum (Al), % 0.15 to 0.5
0 to 0.050
Arsenic (As), % 0
0 to 0.020
Carbon (C), % 0 to 0.030
3.4 to 3.8
Chromium (Cr), % 11 to 13
0 to 0.1
Copper (Cu), % 1.5 to 3.5
0 to 0.8
Iron (Fe), % 65 to 76
89.6 to 94
Magnesium (Mg), % 0
0 to 0.040
Manganese (Mn), % 0 to 1.0
0.3 to 0.4
Molybdenum (Mo), % 3.0 to 5.0
0 to 0.3
Nickel (Ni), % 8.0 to 10
0 to 2.0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Selenium (Se), % 0
0 to 0.030
Silicon (Si), % 0 to 0.7
2.3 to 2.7
Sulfur (S), % 0 to 0.015
0 to 0.020
Tin (Sn), % 0
0 to 0.020
Titanium (Ti), % 0.5 to 1.2
0
Vanadium (V), % 0
0 to 0.1

Comparable Variants