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Grade FDSiCr Steel vs. EN AC-41000 Aluminum

Grade FDSiCr steel belongs to the iron alloys classification, while EN AC-41000 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 grade FDSiCr steel and the bottom bar is EN AC-41000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 580
57 to 97
Elastic (Young's, Tensile) Modulus, GPa 190
69
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 80
26
Tensile Strength: Ultimate (UTS), MPa 1930
170 to 280

Thermal Properties

Latent Heat of Fusion, J/g 270
420
Maximum Temperature: Mechanical, °C 410
170
Melting Completion (Liquidus), °C 1440
640
Melting Onset (Solidus), °C 1400
630
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 48
170
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
38
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
130

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
9.5
Density, g/cm3 7.7
2.7
Embodied Carbon, kg CO2/kg material 1.5
8.2
Embodied Energy, MJ/kg 20
150
Embodied Water, L/kg 48
1160

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 69
18 to 29
Strength to Weight: Bending, points 44
26 to 35
Thermal Diffusivity, mm2/s 13
69
Thermal Shock Resistance, points 58
7.8 to 13

Alloy Composition

Aluminum (Al), % 0
95.2 to 97.6
Carbon (C), % 0.5 to 0.6
0
Chromium (Cr), % 0.5 to 0.8
0
Copper (Cu), % 0 to 0.12
0 to 0.1
Iron (Fe), % 96.5 to 97.8
0 to 0.6
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0.45 to 0.65
Manganese (Mn), % 0.5 to 0.9
0.3 to 0.5
Nickel (Ni), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 1.2 to 1.6
1.6 to 2.4
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0.050 to 0.2
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15