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EN 1.4662 Stainless Steel vs. A360.0 Aluminum

EN 1.4662 stainless steel belongs to the iron alloys classification, while A360.0 aluminum belongs to the aluminum alloys. There are 30 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 EN 1.4662 stainless steel and the bottom bar is A360.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
72
Elongation at Break, % 28
1.6 to 5.0
Fatigue Strength, MPa 430 to 450
82 to 150
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 79
27
Shear Strength, MPa 520 to 540
180
Tensile Strength: Ultimate (UTS), MPa 810 to 830
180 to 320
Tensile Strength: Yield (Proof), MPa 580 to 620
170 to 260

Thermal Properties

Latent Heat of Fusion, J/g 290
530
Maximum Temperature: Mechanical, °C 1090
170
Melting Completion (Liquidus), °C 1430
680
Melting Onset (Solidus), °C 1380
590
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
30
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
100

Otherwise Unclassified Properties

Base Metal Price, % relative 16
9.5
Density, g/cm3 7.7
2.6
Embodied Carbon, kg CO2/kg material 3.2
7.8
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 170
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
4.6 to 13
Resilience: Unit (Modulus of Resilience), kJ/m3 840 to 940
190 to 470
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 25
53
Strength to Weight: Axial, points 29 to 30
19 to 34
Strength to Weight: Bending, points 25
27 to 39
Thermal Diffusivity, mm2/s 3.9
48
Thermal Shock Resistance, points 22
8.5 to 15

Alloy Composition

Aluminum (Al), % 0
85.8 to 90.6
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 0.1 to 0.8
0 to 0.6
Iron (Fe), % 62.6 to 70.2
0 to 1.3
Magnesium (Mg), % 0
0.4 to 0.6
Manganese (Mn), % 2.5 to 4.0
0 to 0.35
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 3.0 to 4.5
0 to 0.5
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.7
9.0 to 10
Sulfur (S), % 0 to 0.0050
0
Tin (Sn), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.25