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238.0 Aluminum vs. EN 1.4913 Stainless Steel

238.0 aluminum belongs to the aluminum alloys classification, while EN 1.4913 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 238.0 aluminum and the bottom bar is EN 1.4913 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
190
Elongation at Break, % 1.5
14 to 22
Fatigue Strength, MPa 110
320 to 480
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
75
Tensile Strength: Ultimate (UTS), MPa 210
870 to 980
Tensile Strength: Yield (Proof), MPa 170
480 to 850

Thermal Properties

Latent Heat of Fusion, J/g 430
270
Maximum Temperature: Mechanical, °C 170
700
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 510
1410
Specific Heat Capacity, J/kg-K 840
480
Thermal Conductivity, W/m-K 100
24
Thermal Expansion, µm/m-K 21
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 67
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.0
Density, g/cm3 3.4
7.8
Embodied Carbon, kg CO2/kg material 7.4
2.9
Embodied Energy, MJ/kg 140
41
Embodied Water, L/kg 1040
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 180
600 to 1860
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 42
25
Strength to Weight: Axial, points 17
31 to 35
Strength to Weight: Bending, points 23
26 to 28
Thermal Diffusivity, mm2/s 37
6.5
Thermal Shock Resistance, points 9.1
31 to 34

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
0 to 0.020
Boron (B), % 0
0 to 0.0015
Carbon (C), % 0
0.17 to 0.23
Chromium (Cr), % 0
10 to 11.5
Copper (Cu), % 9.5 to 10.5
0
Iron (Fe), % 1.0 to 1.5
84.5 to 88.3
Magnesium (Mg), % 0 to 0.25
0
Manganese (Mn), % 0
0.4 to 0.9
Molybdenum (Mo), % 0
0.5 to 0.8
Nickel (Ni), % 0
0.2 to 0.6
Niobium (Nb), % 0
0.25 to 0.55
Nitrogen (N), % 0
0.050 to 0.1
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 3.6 to 4.4
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Vanadium (V), % 0
0.1 to 0.3
Zinc (Zn), % 1.0 to 1.5
0