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EN AC-45100 Aluminum vs. Grade 300 Maraging Steel

EN AC-45100 aluminum belongs to the aluminum alloys classification, while grade 300 maraging steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (12, 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-45100 aluminum and the bottom bar is grade 300 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 1.0 to 2.8
6.5 to 18
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 27
75
Tensile Strength: Ultimate (UTS), MPa 300 to 360
1030 to 2030
Tensile Strength: Yield (Proof), MPa 210 to 320
760 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 470
270
Melting Completion (Liquidus), °C 630
1480
Melting Onset (Solidus), °C 550
1430
Specific Heat Capacity, J/kg-K 890
450
Thermal Expansion, µm/m-K 22
12

Otherwise Unclassified Properties

Base Metal Price, % relative 10
34
Density, g/cm3 2.8
8.2
Embodied Carbon, kg CO2/kg material 7.9
5.1
Embodied Energy, MJ/kg 150
68
Embodied Water, L/kg 1100
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.5 to 7.6
130 to 170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
23
Strength to Weight: Axial, points 30 to 35
35 to 68
Strength to Weight: Bending, points 35 to 39
28 to 43
Thermal Shock Resistance, points 14 to 16
31 to 62

Alloy Composition

Aluminum (Al), % 88 to 92.8
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0
0 to 0.030
Cobalt (Co), % 0
8.5 to 9.5
Copper (Cu), % 2.6 to 3.6
0
Iron (Fe), % 0 to 0.6
65 to 68.4
Lead (Pb), % 0 to 0.1
0
Magnesium (Mg), % 0.15 to 0.45
0
Manganese (Mn), % 0 to 0.55
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 0 to 0.1
18 to 19
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 4.5 to 6.0
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.25
0.5 to 0.8
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0
0 to 0.020
Residuals, % 0 to 0.15
0