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6082 Aluminum vs. EN 1.4825 Stainless Steel

6082 aluminum belongs to the aluminum alloys classification, while EN 1.4825 stainless steel belongs to the iron alloys. There are 30 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 6082 aluminum and the bottom bar is EN 1.4825 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 40 to 95
150
Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 6.3 to 18
17
Fatigue Strength, MPa 55 to 130
160
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Tensile Strength: Ultimate (UTS), MPa 140 to 340
510
Tensile Strength: Yield (Proof), MPa 85 to 320
260

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 170
900
Melting Completion (Liquidus), °C 650
1410
Melting Onset (Solidus), °C 580
1370
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 160
15
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
15
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 8.3
3.1
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1170
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 43
72
Resilience: Unit (Modulus of Resilience), kJ/m3 52 to 710
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 14 to 35
18
Strength to Weight: Bending, points 21 to 40
18
Thermal Diffusivity, mm2/s 67
4.0
Thermal Shock Resistance, points 6.0 to 15
12

Alloy Composition

Aluminum (Al), % 95.2 to 98.3
0
Carbon (C), % 0
0.15 to 0.35
Chromium (Cr), % 0 to 0.25
17 to 19
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.5
65.6 to 74.4
Magnesium (Mg), % 0.6 to 1.2
0
Manganese (Mn), % 0.4 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
8.0 to 10
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.7 to 1.3
0.5 to 2.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0