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6182 Aluminum vs. EN 1.4525 Stainless Steel

6182 aluminum belongs to the aluminum alloys classification, while EN 1.4525 stainless steel belongs to the iron alloys. There are 29 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 6182 aluminum and the bottom bar is EN 1.4525 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 6.8 to 13
5.6 to 13
Fatigue Strength, MPa 63 to 99
480 to 540
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Tensile Strength: Ultimate (UTS), MPa 230 to 320
1030 to 1250
Tensile Strength: Yield (Proof), MPa 130 to 270
840 to 1120

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Maximum Temperature: Mechanical, °C 190
860
Melting Completion (Liquidus), °C 640
1430
Melting Onset (Solidus), °C 600
1390
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 160
18
Thermal Expansion, µm/m-K 23
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.4
2.8
Embodied Energy, MJ/kg 150
39
Embodied Water, L/kg 1170
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
68 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 520
1820 to 3230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 23 to 32
36 to 45
Strength to Weight: Bending, points 30 to 38
29 to 33
Thermal Diffusivity, mm2/s 65
4.7
Thermal Shock Resistance, points 10 to 14
34 to 41

Alloy Composition

Aluminum (Al), % 95 to 97.9
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0 to 0.25
15 to 17
Copper (Cu), % 0 to 0.1
2.5 to 4.0
Iron (Fe), % 0 to 0.5
70.4 to 79
Magnesium (Mg), % 0.7 to 1.2
0
Manganese (Mn), % 0.5 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.8
Nickel (Ni), % 0
3.5 to 5.5
Niobium (Nb), % 0
0 to 0.35
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0.9 to 1.3
0 to 0.8
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.050 to 0.2
0
Residuals, % 0 to 0.15
0

Comparable Variants