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EN AC-45000 Aluminum vs. EN 1.4805 Stainless Steel

EN AC-45000 aluminum belongs to the aluminum alloys classification, while EN 1.4805 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-45000 aluminum and the bottom bar is EN 1.4805 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 77
140
Elastic (Young's, Tensile) Modulus, GPa 73
200
Elongation at Break, % 1.1
9.0
Fatigue Strength, MPa 75
130
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Tensile Strength: Ultimate (UTS), MPa 180
490
Tensile Strength: Yield (Proof), MPa 110
250

Thermal Properties

Latent Heat of Fusion, J/g 470
310
Maximum Temperature: Mechanical, °C 180
1000
Melting Completion (Liquidus), °C 640
1390
Melting Onset (Solidus), °C 520
1350
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 120
14
Thermal Expansion, µm/m-K 22
16

Otherwise Unclassified Properties

Base Metal Price, % relative 11
26
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 7.7
4.7
Embodied Energy, MJ/kg 140
66
Embodied Water, L/kg 1070
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7
37
Resilience: Unit (Modulus of Resilience), kJ/m3 80
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 47
25
Strength to Weight: Axial, points 17
17
Strength to Weight: Bending, points 24
18
Thermal Diffusivity, mm2/s 47
3.7
Thermal Shock Resistance, points 8.0
11

Alloy Composition

Aluminum (Al), % 82.2 to 91.8
0
Carbon (C), % 0
0.2 to 0.5
Chromium (Cr), % 0 to 0.15
19 to 23
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 0 to 1.0
44.9 to 56.8
Lead (Pb), % 0 to 0.3
0
Magnesium (Mg), % 0 to 0.55
0
Manganese (Mn), % 0.2 to 0.65
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.45
23 to 27
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 5.0 to 7.0
1.0 to 2.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 2.0
0
Residuals, % 0 to 0.35
0