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512.0 Aluminum vs. S30441 Stainless Steel

512.0 aluminum belongs to the aluminum alloys classification, while S30441 stainless steel belongs to the iron 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 512.0 aluminum and the bottom bar is S30441 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 50
170
Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 2.0
45
Fatigue Strength, MPa 58
210
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Tensile Strength: Ultimate (UTS), MPa 130
580
Tensile Strength: Yield (Proof), MPa 83
230

Thermal Properties

Latent Heat of Fusion, J/g 420
300
Maximum Temperature: Mechanical, °C 180
940
Melting Completion (Liquidus), °C 630
1420
Melting Onset (Solidus), °C 590
1370
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 150
15
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.8
3.4
Embodied Energy, MJ/kg 150
50
Embodied Water, L/kg 1160
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
210
Resilience: Unit (Modulus of Resilience), kJ/m3 50
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 14
21
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 60
4.0
Thermal Shock Resistance, points 6.1
13

Alloy Composition

Aluminum (Al), % 90.6 to 95.1
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.25
17.5 to 19.5
Copper (Cu), % 0 to 0.35
1.5 to 2.5
Iron (Fe), % 0 to 0.6
62 to 71.7
Magnesium (Mg), % 3.5 to 4.5
0
Manganese (Mn), % 0 to 0.8
0 to 2.0
Nickel (Ni), % 0
8.0 to 10.5
Niobium (Nb), % 0
0.1 to 0.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 1.4 to 2.2
1.0 to 2.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Tungsten (W), % 0
0.2 to 0.8
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0 to 0.15
0