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EN 1.4110 Stainless Steel vs. A384.0 Aluminum

EN 1.4110 stainless steel belongs to the iron alloys classification, while A384.0 aluminum belongs to the aluminum alloys. There are 30 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 EN 1.4110 stainless steel and the bottom bar is A384.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
74
Elongation at Break, % 11 to 14
2.5
Fatigue Strength, MPa 250 to 730
140
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
28
Shear Strength, MPa 470 to 1030
200
Tensile Strength: Ultimate (UTS), MPa 770 to 1720
330
Tensile Strength: Yield (Proof), MPa 430 to 1330
170

Thermal Properties

Latent Heat of Fusion, J/g 280
550
Maximum Temperature: Mechanical, °C 790
170
Melting Completion (Liquidus), °C 1440
610
Melting Onset (Solidus), °C 1400
510
Specific Heat Capacity, J/kg-K 480
880
Thermal Conductivity, W/m-K 30
96
Thermal Expansion, µm/m-K 11
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
23
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
73

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
11
Density, g/cm3 7.7
2.8
Embodied Carbon, kg CO2/kg material 2.3
7.5
Embodied Energy, MJ/kg 33
140
Embodied Water, L/kg 110
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 180
6.9
Resilience: Unit (Modulus of Resilience), kJ/m3 480 to 4550
180
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 28 to 62
32
Strength to Weight: Bending, points 24 to 41
38
Thermal Diffusivity, mm2/s 8.1
39
Thermal Shock Resistance, points 27 to 60
15

Alloy Composition

Aluminum (Al), % 0
79.3 to 86.5
Carbon (C), % 0.48 to 0.6
0
Chromium (Cr), % 13 to 15
0
Copper (Cu), % 0
3.0 to 4.5
Iron (Fe), % 81.4 to 86
0 to 1.3
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0.5 to 0.8
0
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
10.5 to 12
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.35
Vanadium (V), % 0 to 0.15
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5