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4007 Aluminum vs. EN 1.4980 Stainless Steel

4007 aluminum belongs to the aluminum alloys classification, while EN 1.4980 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 1.4980 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 5.1 to 23
17
Fatigue Strength, MPa 46 to 88
410
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
75
Shear Strength, MPa 80 to 90
630
Tensile Strength: Ultimate (UTS), MPa 130 to 160
1030
Tensile Strength: Yield (Proof), MPa 50 to 120
680

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 170
920
Melting Completion (Liquidus), °C 650
1430
Melting Onset (Solidus), °C 590
1380
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 170
13
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
26
Density, g/cm3 2.8
7.9
Embodied Carbon, kg CO2/kg material 8.1
6.0
Embodied Energy, MJ/kg 150
87
Embodied Water, L/kg 1160
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.4 to 23
150
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 110
1180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
24
Strength to Weight: Axial, points 12 to 15
36
Strength to Weight: Bending, points 20 to 23
28
Thermal Diffusivity, mm2/s 67
3.5
Thermal Shock Resistance, points 5.5 to 6.7
22

Alloy Composition

Aluminum (Al), % 94.1 to 97.6
0 to 0.35
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0
0.030 to 0.080
Chromium (Cr), % 0.050 to 0.25
13.5 to 16
Cobalt (Co), % 0 to 0.050
0
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0.4 to 1.0
49.2 to 58.5
Magnesium (Mg), % 0 to 0.2
0
Manganese (Mn), % 0.8 to 1.5
1.0 to 2.0
Molybdenum (Mo), % 0
1.0 to 1.5
Nickel (Ni), % 0.15 to 0.7
24 to 27
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 1.0 to 1.7
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.1
1.9 to 2.3
Vanadium (V), % 0
0.1 to 0.5
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0