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EN AC-44500 Aluminum vs. EN 1.4527 Stainless Steel

EN AC-44500 aluminum belongs to the aluminum alloys classification, while EN 1.4527 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 EN AC-44500 aluminum and the bottom bar is EN 1.4527 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 68
140
Elastic (Young's, Tensile) Modulus, GPa 72
200
Elongation at Break, % 1.1
40
Fatigue Strength, MPa 110
170
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Tensile Strength: Ultimate (UTS), MPa 270
480
Tensile Strength: Yield (Proof), MPa 160
190

Thermal Properties

Latent Heat of Fusion, J/g 570
310
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 590
1410
Melting Onset (Solidus), °C 580
1360
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 130
15
Thermal Expansion, µm/m-K 21
15

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
32
Density, g/cm3 2.5
8.1
Embodied Carbon, kg CO2/kg material 7.7
5.6
Embodied Energy, MJ/kg 140
78
Embodied Water, L/kg 1050
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6
150
Resilience: Unit (Modulus of Resilience), kJ/m3 180
95
Stiffness to Weight: Axial, points 16
14
Stiffness to Weight: Bending, points 55
24
Strength to Weight: Axial, points 29
17
Strength to Weight: Bending, points 36
17
Thermal Diffusivity, mm2/s 57
4.0
Thermal Shock Resistance, points 13
12

Alloy Composition

Aluminum (Al), % 83.7 to 89.5
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 0 to 0.2
3.0 to 4.0
Iron (Fe), % 0 to 1.0
37.4 to 48.5
Magnesium (Mg), % 0 to 0.4
0
Manganese (Mn), % 0 to 0.55
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
27.5 to 30.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 10.5 to 13.5
0 to 1.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.25
0