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EN AC-42100 Aluminum vs. Grade 200 Maraging Steel

EN AC-42100 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-42100 aluminum and the bottom bar is grade 200 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 3.4 to 9.0
9.1 to 18
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 26
74
Tensile Strength: Ultimate (UTS), MPa 280 to 290
970 to 1500
Tensile Strength: Yield (Proof), MPa 210 to 230
690 to 1490

Thermal Properties

Latent Heat of Fusion, J/g 500
260
Melting Completion (Liquidus), °C 610
1460
Melting Onset (Solidus), °C 600
1420
Specific Heat Capacity, J/kg-K 910
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 8.0
4.5
Embodied Energy, MJ/kg 150
59
Embodied Water, L/kg 1110
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 23
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
1240 to 5740
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
23
Strength to Weight: Axial, points 30 to 31
33 to 51
Strength to Weight: Bending, points 37 to 38
27 to 35
Thermal Shock Resistance, points 13
29 to 45

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
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 0.050
0
Iron (Fe), % 0 to 0.19
67.8 to 71.8
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.1
0 to 0.1
Molybdenum (Mo), % 0
3.0 to 3.5
Nickel (Ni), % 0
17 to 19
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 6.5 to 7.5
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.25
0.15 to 0.25
Zinc (Zn), % 0 to 0.070
0
Zirconium (Zr), % 0
0 to 0.020
Residuals, % 0 to 0.1
0