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S45500 Stainless Steel vs. Automotive Malleable Cast Iron

Both S45500 stainless steel and automotive malleable cast iron are iron alloys. They have 76% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is S45500 stainless steel and the bottom bar is automotive malleable cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 500
130 to 290
Elastic (Young's, Tensile) Modulus, GPa 190
180
Elongation at Break, % 3.4 to 11
1.0 to 10
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
70
Tensile Strength: Ultimate (UTS), MPa 1370 to 1850
350 to 720
Tensile Strength: Yield (Proof), MPa 1240 to 1700
220 to 590

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
14

Otherwise Unclassified Properties

Base Metal Price, % relative 17
1.9
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 3.8
1.5
Embodied Energy, MJ/kg 57
20
Embodied Water, L/kg 120
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 45 to 190
6.8 to 30
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 48 to 65
13 to 26
Strength to Weight: Bending, points 35 to 42
14 to 24
Thermal Shock Resistance, points 48 to 64
9.9 to 21

Alloy Composition

Carbon (C), % 0 to 0.050
2.2 to 2.9
Chromium (Cr), % 11 to 12.5
0
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 71.5 to 79.2
93.6 to 96.7
Manganese (Mn), % 0 to 0.5
0.15 to 1.3
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 7.5 to 9.5
0
Niobium (Nb), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.040
0.020 to 0.15
Silicon (Si), % 0 to 0.5
0.9 to 1.9
Sulfur (S), % 0 to 0.030
0.020 to 0.2
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 0.8 to 1.4
0

Comparable Variants