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EN AC-44400 Aluminum vs. Grade 200 Maraging Steel

EN AC-44400 aluminum belongs to the aluminum alloys classification, while grade 200 maraging steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (11, 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-44400 aluminum and the bottom bar is grade 200 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 4.1
9.1 to 18
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 27
74
Tensile Strength: Ultimate (UTS), MPa 210
970 to 1500
Tensile Strength: Yield (Proof), MPa 110
690 to 1490

Thermal Properties

Latent Heat of Fusion, J/g 540
260
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 590
1420
Specific Heat Capacity, J/kg-K 900
460
Thermal Expansion, µm/m-K 22
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
31
Density, g/cm3 2.6
8.2
Embodied Carbon, kg CO2/kg material 7.8
4.5
Embodied Energy, MJ/kg 150
59
Embodied Water, L/kg 1080
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.3
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 85
1240 to 5740
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 54
23
Strength to Weight: Axial, points 23
33 to 51
Strength to Weight: Bending, points 31
27 to 35
Thermal Shock Resistance, points 9.8
29 to 45

Alloy Composition

Aluminum (Al), % 87.1 to 92
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
8.0 to 9.0
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.65
67.8 to 71.8
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 0.1
Molybdenum (Mo), % 0
3.0 to 3.5
Nickel (Ni), % 0 to 0.050
17 to 19
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 8.0 to 11
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.15
0.15 to 0.25
Zinc (Zn), % 0 to 0.15
0
Zirconium (Zr), % 0
0 to 0.020
Residuals, % 0 to 0.15
0