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1050A Aluminum vs. EN 1.4874 Stainless Steel

1050A aluminum belongs to the aluminum alloys classification, while EN 1.4874 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 1050A aluminum and the bottom bar is EN 1.4874 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 20 to 45
140
Elastic (Young's, Tensile) Modulus, GPa 68
210
Elongation at Break, % 1.1 to 33
6.7
Fatigue Strength, MPa 22 to 55
180
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
80
Tensile Strength: Ultimate (UTS), MPa 68 to 170
480
Tensile Strength: Yield (Proof), MPa 22 to 150
360

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 170
1150
Melting Completion (Liquidus), °C 660
1450
Melting Onset (Solidus), °C 650
1400
Specific Heat Capacity, J/kg-K 900
450
Thermal Conductivity, W/m-K 230
13
Thermal Expansion, µm/m-K 24
15

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
70
Density, g/cm3 2.7
8.4
Embodied Carbon, kg CO2/kg material 8.2
7.6
Embodied Energy, MJ/kg 150
110
Embodied Water, L/kg 1200
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.9 to 19
29
Resilience: Unit (Modulus of Resilience), kJ/m3 3.7 to 160
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 6.9 to 18
16
Strength to Weight: Bending, points 14 to 25
16
Thermal Diffusivity, mm2/s 94
3.3
Thermal Shock Resistance, points 3.0 to 7.6
11

Alloy Composition

Aluminum (Al), % 99.5 to 100
0
Carbon (C), % 0
0.35 to 0.65
Chromium (Cr), % 0
19 to 22
Cobalt (Co), % 0
18.5 to 22
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.4
23 to 38.9
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 0
18 to 22
Niobium (Nb), % 0
0.75 to 1.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.25
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Tungsten (W), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.070
0