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EN AC-42200 Aluminum vs. EN 1.4874 Stainless Steel

EN AC-42200 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 (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 AC-42200 aluminum and the bottom bar is EN 1.4874 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 89 to 100
140
Elastic (Young's, Tensile) Modulus, GPa 70
210
Elongation at Break, % 3.0 to 6.7
6.7
Fatigue Strength, MPa 86 to 90
180
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
80
Tensile Strength: Ultimate (UTS), MPa 320
480
Tensile Strength: Yield (Proof), MPa 240 to 260
360

Thermal Properties

Latent Heat of Fusion, J/g 500
300
Maximum Temperature: Mechanical, °C 170
1150
Melting Completion (Liquidus), °C 610
1450
Melting Onset (Solidus), °C 600
1400
Specific Heat Capacity, J/kg-K 910
450
Thermal Conductivity, W/m-K 150
13
Thermal Expansion, µm/m-K 22
15

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
70
Density, g/cm3 2.6
8.4
Embodied Carbon, kg CO2/kg material 8.0
7.6
Embodied Energy, MJ/kg 150
110
Embodied Water, L/kg 1110
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.0 to 20
29
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 490
310
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
24
Strength to Weight: Axial, points 34 to 35
16
Strength to Weight: Bending, points 40 to 41
16
Thermal Diffusivity, mm2/s 66
3.3
Thermal Shock Resistance, points 15
11

Alloy Composition

Aluminum (Al), % 91 to 93.1
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 0.19
23 to 38.9
Magnesium (Mg), % 0.45 to 0.7
0
Manganese (Mn), % 0 to 0.1
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), % 6.5 to 7.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Tungsten (W), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0