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EN AC-47000 Aluminum vs. EN 1.4876 Stainless Steel

EN AC-47000 aluminum belongs to the aluminum alloys classification, while EN 1.4876 stainless steel belongs to the iron alloys. There are 30 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 EN AC-47000 aluminum and the bottom bar is EN 1.4876 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
170
Elastic (Young's, Tensile) Modulus, GPa 73
200
Elongation at Break, % 1.7
33
Fatigue Strength, MPa 68
150
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Tensile Strength: Ultimate (UTS), MPa 180
570
Tensile Strength: Yield (Proof), MPa 97
190

Thermal Properties

Latent Heat of Fusion, J/g 570
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 590
1400
Melting Onset (Solidus), °C 570
1350
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 130
12
Thermal Expansion, µm/m-K 21
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 110
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
30
Density, g/cm3 2.6
8.0
Embodied Carbon, kg CO2/kg material 7.7
5.3
Embodied Energy, MJ/kg 140
76
Embodied Water, L/kg 1040
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.5
140
Resilience: Unit (Modulus of Resilience), kJ/m3 65
94
Stiffness to Weight: Axial, points 16
14
Stiffness to Weight: Bending, points 54
24
Strength to Weight: Axial, points 19
20
Strength to Weight: Bending, points 27
19
Thermal Diffusivity, mm2/s 55
3.2
Thermal Shock Resistance, points 8.3
14

Alloy Composition

Aluminum (Al), % 82.1 to 89.5
0.15 to 0.6
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0 to 0.1
19 to 23
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 0 to 0.8
38.6 to 50.7
Lead (Pb), % 0 to 0.2
0
Magnesium (Mg), % 0 to 0.35
0
Manganese (Mn), % 0.050 to 0.55
0 to 2.0
Nickel (Ni), % 0 to 0.3
30 to 34
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 10.5 to 13.5
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.2
0.15 to 0.6
Zinc (Zn), % 0 to 0.55
0
Residuals, % 0 to 0.25
0