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S30452 Stainless Steel vs. EN AC-51200 Aluminum

S30452 stainless steel belongs to the iron alloys classification, while EN AC-51200 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is S30452 stainless steel and the bottom bar is EN AC-51200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
80
Elastic (Young's, Tensile) Modulus, GPa 200
67
Elongation at Break, % 34
1.1
Fatigue Strength, MPa 250
100
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
25
Tensile Strength: Ultimate (UTS), MPa 660
220
Tensile Strength: Yield (Proof), MPa 310
150

Thermal Properties

Latent Heat of Fusion, J/g 290
410
Maximum Temperature: Mechanical, °C 960
170
Melting Completion (Liquidus), °C 1420
640
Melting Onset (Solidus), °C 1380
570
Specific Heat Capacity, J/kg-K 480
910
Thermal Conductivity, W/m-K 16
92
Thermal Expansion, µm/m-K 16
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
22
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
74

Otherwise Unclassified Properties

Base Metal Price, % relative 15
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 3.0
9.6
Embodied Energy, MJ/kg 43
150
Embodied Water, L/kg 150
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
2.2
Resilience: Unit (Modulus of Resilience), kJ/m3 250
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 23
24
Strength to Weight: Bending, points 22
31
Thermal Diffusivity, mm2/s 4.2
39
Thermal Shock Resistance, points 15
10

Alloy Composition

Aluminum (Al), % 0
84.5 to 92
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 66.3 to 73.8
0 to 1.0
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0
8.0 to 10.5
Manganese (Mn), % 0 to 2.0
0 to 0.55
Nickel (Ni), % 8.0 to 10.5
0 to 0.1
Nitrogen (N), % 0.16 to 0.3
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0 to 2.5
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15