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5454 Aluminum vs. EN 1.4941 Stainless Steel

5454 aluminum belongs to the aluminum alloys classification, while EN 1.4941 stainless steel belongs to the iron 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 5454 aluminum and the bottom bar is EN 1.4941 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 61 to 93
180
Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 2.3 to 18
39
Fatigue Strength, MPa 83 to 160
180
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Shear Strength, MPa 140 to 200
400
Tensile Strength: Ultimate (UTS), MPa 230 to 350
590
Tensile Strength: Yield (Proof), MPa 97 to 290
210

Thermal Properties

Latent Heat of Fusion, J/g 400
290
Maximum Temperature: Mechanical, °C 190
940
Melting Completion (Liquidus), °C 650
1430
Melting Onset (Solidus), °C 600
1380
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 130
16
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
16
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.6
3.3
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1180
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3 to 34
180
Resilience: Unit (Modulus of Resilience), kJ/m3 68 to 590
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 23 to 36
21
Strength to Weight: Bending, points 30 to 41
20
Thermal Diffusivity, mm2/s 55
4.3
Thermal Shock Resistance, points 10 to 16
13

Alloy Composition

Aluminum (Al), % 94.5 to 97.1
0
Boron (B), % 0
0.0015 to 0.0050
Carbon (C), % 0
0.040 to 0.080
Chromium (Cr), % 0.050 to 0.2
17 to 19
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.4
65.1 to 73.6
Magnesium (Mg), % 2.4 to 3.0
0
Manganese (Mn), % 0.5 to 1.0
0 to 2.0
Nickel (Ni), % 0
9.0 to 12
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.25
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.2
0.4 to 0.8
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0