MakeItFrom.com
Menu (ESC)

A356.0 Aluminum vs. S34565 Stainless Steel

A356.0 aluminum belongs to the aluminum alloys classification, while S34565 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, 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 A356.0 aluminum and the bottom bar is S34565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
210
Elongation at Break, % 3.0 to 6.0
39
Fatigue Strength, MPa 50 to 90
400
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
80
Tensile Strength: Ultimate (UTS), MPa 160 to 270
900
Tensile Strength: Yield (Proof), MPa 83 to 200
470

Thermal Properties

Latent Heat of Fusion, J/g 500
310
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 610
1420
Melting Onset (Solidus), °C 570
1380
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 150
12
Thermal Expansion, µm/m-K 21
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
28
Density, g/cm3 2.6
7.9
Embodied Carbon, kg CO2/kg material 8.0
5.3
Embodied Energy, MJ/kg 150
73
Embodied Water, L/kg 1110
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 15
300
Resilience: Unit (Modulus of Resilience), kJ/m3 49 to 300
540
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
25
Strength to Weight: Axial, points 17 to 29
32
Strength to Weight: Bending, points 25 to 36
26
Thermal Diffusivity, mm2/s 64
3.2
Thermal Shock Resistance, points 7.6 to 13
22

Alloy Composition

Aluminum (Al), % 91.1 to 93.3
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 0.2
43.2 to 51.6
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.1
5.0 to 7.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0
16 to 18
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0.4 to 0.6
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 6.5 to 7.5
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0