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4007 Aluminum vs. EN 1.4530 Stainless Steel

4007 aluminum belongs to the aluminum alloys classification, while EN 1.4530 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, 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 4007 aluminum and the bottom bar is EN 1.4530 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
76
Tensile Strength: Ultimate (UTS), MPa 130 to 160
1030 to 1370

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Maximum Temperature: Mechanical, °C 170
790
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 590
1410
Specific Heat Capacity, J/kg-K 890
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
3.4
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1160
130

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
25
Strength to Weight: Axial, points 12 to 15
36 to 48
Strength to Weight: Bending, points 20 to 23
29 to 35
Thermal Shock Resistance, points 5.5 to 6.7
35 to 47

Alloy Composition

Aluminum (Al), % 94.1 to 97.6
0.6 to 0.8
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0.050 to 0.25
11.5 to 12.5
Cobalt (Co), % 0 to 0.050
0
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0.4 to 1.0
74.4 to 77.3
Magnesium (Mg), % 0 to 0.2
0
Manganese (Mn), % 0.8 to 1.5
0 to 0.1
Molybdenum (Mo), % 0
1.9 to 2.2
Nickel (Ni), % 0.15 to 0.7
8.5 to 9.5
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 1.0 to 1.7
0 to 0.1
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 0 to 0.1
0.28 to 0.37
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0