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Grade 200 Maraging Steel vs. B390.0 Aluminum

Grade 200 maraging steel belongs to the iron alloys classification, while B390.0 aluminum belongs to the aluminum alloys. There are 23 material properties with values for both materials. Properties with values for just one material (10, 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 200 maraging steel and the bottom bar is B390.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
76
Elongation at Break, % 9.1 to 18
0.88
Poisson's Ratio 0.3
0.33
Shear Modulus, GPa 74
29
Tensile Strength: Ultimate (UTS), MPa 970 to 1500
320
Tensile Strength: Yield (Proof), MPa 690 to 1490
250

Thermal Properties

Latent Heat of Fusion, J/g 260
640
Melting Completion (Liquidus), °C 1460
580
Melting Onset (Solidus), °C 1420
580
Specific Heat Capacity, J/kg-K 460
880
Thermal Expansion, µm/m-K 12
20

Otherwise Unclassified Properties

Base Metal Price, % relative 31
11
Density, g/cm3 8.2
2.8
Embodied Carbon, kg CO2/kg material 4.5
7.3
Embodied Energy, MJ/kg 59
130
Embodied Water, L/kg 140
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 1240 to 5740
410
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
51
Strength to Weight: Axial, points 33 to 51
32
Strength to Weight: Bending, points 27 to 35
38
Thermal Shock Resistance, points 29 to 45
15

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
72.7 to 79.6
Boron (B), % 0 to 0.0030
0
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0
Cobalt (Co), % 8.0 to 9.0
0
Copper (Cu), % 0
4.0 to 5.0
Iron (Fe), % 67.8 to 71.8
0 to 1.3
Magnesium (Mg), % 0
0.45 to 0.65
Manganese (Mn), % 0 to 0.1
0 to 0.5
Molybdenum (Mo), % 3.0 to 3.5
0
Nickel (Ni), % 17 to 19
0 to 0.1
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
16 to 18
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0.15 to 0.25
0 to 0.1
Zinc (Zn), % 0
0 to 1.5
Zirconium (Zr), % 0 to 0.020
0
Residuals, % 0
0 to 0.2