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3003 Aluminum vs. EN 1.4596 Stainless Steel

3003 aluminum belongs to the aluminum alloys classification, while EN 1.4596 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (14, 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 3003 aluminum and the bottom bar is EN 1.4596 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Tensile Strength: Ultimate (UTS), MPa 110 to 240
1030 to 1600

Thermal Properties

Latent Heat of Fusion, J/g 400
280
Maximum Temperature: Mechanical, °C 180
790
Melting Completion (Liquidus), °C 650
1450
Melting Onset (Solidus), °C 640
1410
Specific Heat Capacity, J/kg-K 900
470
Thermal Expansion, µm/m-K 23
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
15
Density, g/cm3 2.8
7.9
Embodied Carbon, kg CO2/kg material 8.1
3.5
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 1180
130

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 11 to 24
36 to 56
Strength to Weight: Bending, points 18 to 30
29 to 39
Thermal Shock Resistance, points 4.7 to 10
35 to 54

Alloy Composition

Aluminum (Al), % 96.8 to 99
0.8 to 1.1
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0
11.5 to 12.5
Copper (Cu), % 0.050 to 0.2
0
Iron (Fe), % 0 to 0.7
73.4 to 76.4
Manganese (Mn), % 1.0 to 1.5
0 to 0.1
Molybdenum (Mo), % 0
1.9 to 2.2
Nickel (Ni), % 0
9.2 to 10.2
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.6
0 to 0.1
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 0
0.28 to 0.4
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0