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EN AC-48100 Aluminum vs. EN 1.4584 Stainless Steel

EN AC-48100 aluminum belongs to the aluminum alloys classification, while EN 1.4584 stainless steel belongs to the iron alloys. There are 30 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 EN AC-48100 aluminum and the bottom bar is EN 1.4584 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 140
150
Elastic (Young's, Tensile) Modulus, GPa 76
200
Elongation at Break, % 1.1
34
Fatigue Strength, MPa 120 to 130
170
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 29
79
Tensile Strength: Ultimate (UTS), MPa 240 to 330
500
Tensile Strength: Yield (Proof), MPa 190 to 300
210

Thermal Properties

Latent Heat of Fusion, J/g 640
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 580
1440
Melting Onset (Solidus), °C 470
1390
Specific Heat Capacity, J/kg-K 880
460
Thermal Conductivity, W/m-K 130
17
Thermal Expansion, µm/m-K 20
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 87
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 2.8
8.1
Embodied Carbon, kg CO2/kg material 7.3
5.7
Embodied Energy, MJ/kg 130
78
Embodied Water, L/kg 940
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3 to 3.6
140
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 580
110
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 51
24
Strength to Weight: Axial, points 24 to 33
17
Strength to Weight: Bending, points 31 to 38
17
Thermal Diffusivity, mm2/s 55
4.5
Thermal Shock Resistance, points 11 to 16
12

Alloy Composition

Aluminum (Al), % 72.1 to 79.8
0
Carbon (C), % 0
0 to 0.025
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 4.0 to 5.0
1.0 to 3.0
Iron (Fe), % 0 to 1.3
41.7 to 52
Magnesium (Mg), % 0.25 to 0.65
0
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0 to 0.3
24 to 26
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 16 to 18
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.5
0
Residuals, % 0 to 0.25
0