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EN 1.4652 Stainless Steel vs. 7076 Aluminum

EN 1.4652 stainless steel belongs to the iron alloys classification, while 7076 aluminum belongs to the aluminum 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 EN 1.4652 stainless steel and the bottom bar is 7076 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
160
Elastic (Young's, Tensile) Modulus, GPa 210
70
Elongation at Break, % 45
6.2
Fatigue Strength, MPa 450
170
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 81
27
Shear Strength, MPa 610
310
Tensile Strength: Ultimate (UTS), MPa 880
530
Tensile Strength: Yield (Proof), MPa 490
460

Thermal Properties

Latent Heat of Fusion, J/g 310
380
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1460
630
Melting Onset (Solidus), °C 1410
460
Specific Heat Capacity, J/kg-K 460
860
Thermal Conductivity, W/m-K 9.8
140
Thermal Expansion, µm/m-K 15
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
35
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
100

Otherwise Unclassified Properties

Base Metal Price, % relative 34
9.5
Density, g/cm3 8.0
3.0
Embodied Carbon, kg CO2/kg material 6.4
8.0
Embodied Energy, MJ/kg 87
150
Embodied Water, L/kg 220
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 340
31
Resilience: Unit (Modulus of Resilience), kJ/m3 570
1510
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
45
Strength to Weight: Axial, points 30
49
Strength to Weight: Bending, points 25
48
Thermal Diffusivity, mm2/s 2.6
54
Thermal Shock Resistance, points 20
23

Alloy Composition

Aluminum (Al), % 0
86.9 to 91.2
Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 0.3 to 0.6
0.3 to 1.0
Iron (Fe), % 38.3 to 46.3
0 to 0.6
Magnesium (Mg), % 0
1.2 to 2.0
Manganese (Mn), % 2.0 to 4.0
0.3 to 0.8
Molybdenum (Mo), % 7.0 to 8.0
0
Nickel (Ni), % 21 to 23
0
Nitrogen (N), % 0.45 to 0.55
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.0050
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
7.0 to 8.0
Residuals, % 0
0 to 0.15