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5005 Aluminum vs. EN 1.4951 Stainless Steel

5005 aluminum belongs to the aluminum alloys classification, while EN 1.4951 stainless steel belongs to the iron alloys. There are 31 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 5005 aluminum and the bottom bar is EN 1.4951 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 28 to 64
170
Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 1.1 to 23
38
Fatigue Strength, MPa 38 to 86
190
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
79
Shear Strength, MPa 70 to 130
430
Tensile Strength: Ultimate (UTS), MPa 110 to 230
630
Tensile Strength: Yield (Proof), MPa 41 to 210
220

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 180
1100
Melting Completion (Liquidus), °C 650
1410
Melting Onset (Solidus), °C 630
1360
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 200
15
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 52
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 170
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.3
4.3
Embodied Energy, MJ/kg 150
61
Embodied Water, L/kg 1190
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3 to 22
190
Resilience: Unit (Modulus of Resilience), kJ/m3 12 to 320
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 11 to 23
22
Strength to Weight: Bending, points 19 to 31
21
Thermal Diffusivity, mm2/s 82
3.9
Thermal Shock Resistance, points 4.9 to 10
14

Alloy Composition

Aluminum (Al), % 97 to 99.5
0
Carbon (C), % 0
0.040 to 0.080
Chromium (Cr), % 0 to 0.1
24 to 26
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 0.7
49.1 to 57
Magnesium (Mg), % 0.5 to 1.1
0
Manganese (Mn), % 0 to 0.2
0 to 2.0
Nickel (Ni), % 0
19 to 22
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.3
0 to 0.7
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0