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S41050 Stainless Steel vs. A413.0 Aluminum

S41050 stainless steel belongs to the iron alloys classification, while A413.0 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 S41050 stainless steel and the bottom bar is A413.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
80
Elastic (Young's, Tensile) Modulus, GPa 190
73
Elongation at Break, % 25
3.5
Fatigue Strength, MPa 160
130
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
27
Shear Strength, MPa 300
170
Tensile Strength: Ultimate (UTS), MPa 470
240
Tensile Strength: Yield (Proof), MPa 230
130

Thermal Properties

Latent Heat of Fusion, J/g 270
570
Maximum Temperature: Mechanical, °C 720
170
Melting Completion (Liquidus), °C 1440
590
Melting Onset (Solidus), °C 1400
580
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 27
120
Thermal Expansion, µm/m-K 10
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
31
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
110

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 1.9
7.6
Embodied Energy, MJ/kg 27
140
Embodied Water, L/kg 97
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98
7.1
Resilience: Unit (Modulus of Resilience), kJ/m3 140
120
Stiffness to Weight: Axial, points 14
16
Stiffness to Weight: Bending, points 25
54
Strength to Weight: Axial, points 17
25
Strength to Weight: Bending, points 17
33
Thermal Diffusivity, mm2/s 7.2
52
Thermal Shock Resistance, points 17
11

Alloy Composition

Aluminum (Al), % 0
82.9 to 89
Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 10.5 to 12.5
0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 84.2 to 88.9
0 to 1.3
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 1.0
0 to 0.35
Nickel (Ni), % 0.6 to 1.1
0 to 0.5
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
11 to 13
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.25