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5182 Aluminum vs. EN 1.3956 Stainless Steel

5182 aluminum belongs to the aluminum alloys classification, while EN 1.3956 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 5182 aluminum and the bottom bar is EN 1.3956 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 1.1 to 12
27
Fatigue Strength, MPa 100 to 130
240
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 25
79
Tensile Strength: Ultimate (UTS), MPa 280 to 420
650
Tensile Strength: Yield (Proof), MPa 130 to 360
330

Thermal Properties

Latent Heat of Fusion, J/g 390
300
Maximum Temperature: Mechanical, °C 180
1080
Melting Completion (Liquidus), °C 640
1420
Melting Onset (Solidus), °C 590
1380
Specific Heat Capacity, J/kg-K 900
480
Thermal Expansion, µm/m-K 24
13

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
22
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.9
4.8
Embodied Energy, MJ/kg 150
68
Embodied Water, L/kg 1180
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 49
150
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 950
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 29 to 44
23
Strength to Weight: Bending, points 36 to 47
21
Thermal Shock Resistance, points 12 to 19
18

Alloy Composition

Aluminum (Al), % 93.2 to 95.8
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0 to 0.1
20.5 to 23.5
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 0 to 0.35
51.9 to 62.1
Magnesium (Mg), % 4.0 to 5.0
0
Manganese (Mn), % 0.2 to 0.5
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 0
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Vanadium (V), % 0
0.1 to 0.3
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0