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6082 Aluminum vs. EN 1.4376 Stainless Steel

6082 aluminum belongs to the aluminum alloys classification, while EN 1.4376 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 1.4376 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 40 to 95
230
Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 6.3 to 18
45
Fatigue Strength, MPa 55 to 130
420
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Shear Strength, MPa 84 to 220
530
Tensile Strength: Ultimate (UTS), MPa 140 to 340
750
Tensile Strength: Yield (Proof), MPa 85 to 320
450

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 170
930
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
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 8.3
2.6
Embodied Energy, MJ/kg 150
37
Embodied Water, L/kg 1170
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 43
290
Resilience: Unit (Modulus of Resilience), kJ/m3 52 to 710
520
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 14 to 35
27
Strength to Weight: Bending, points 21 to 40
24
Thermal Diffusivity, mm2/s 67
4.0
Thermal Shock Resistance, points 6.0 to 15
17

Alloy Composition

Aluminum (Al), % 95.2 to 98.3
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0 to 0.25
17 to 20.5
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.5
65.5 to 76
Magnesium (Mg), % 0.6 to 1.2
0
Manganese (Mn), % 0.4 to 1.0
5.0 to 8.0
Nickel (Ni), % 0
2.0 to 4.5
Nitrogen (N), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0.7 to 1.3
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0