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319.0 Aluminum vs. Grade 200 Maraging Steel

319.0 aluminum belongs to the aluminum alloys classification, while grade 200 maraging steel belongs to the iron alloys. There are 24 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 319.0 aluminum and the bottom bar is grade 200 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 1.8 to 2.0
9.1 to 18
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 27
74
Shear Strength, MPa 170 to 210
600 to 890
Tensile Strength: Ultimate (UTS), MPa 190 to 240
970 to 1500
Tensile Strength: Yield (Proof), MPa 110 to 180
690 to 1490

Thermal Properties

Latent Heat of Fusion, J/g 480
260
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 540
1420
Specific Heat Capacity, J/kg-K 880
460
Thermal Expansion, µm/m-K 22
12

Otherwise Unclassified Properties

Base Metal Price, % relative 10
31
Density, g/cm3 2.9
8.2
Embodied Carbon, kg CO2/kg material 7.7
4.5
Embodied Energy, MJ/kg 140
59
Embodied Water, L/kg 1080
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.3 to 3.9
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 88 to 220
1240 to 5740
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 48
23
Strength to Weight: Axial, points 18 to 24
33 to 51
Strength to Weight: Bending, points 25 to 30
27 to 35
Thermal Shock Resistance, points 8.6 to 11
29 to 45

Alloy Composition

Aluminum (Al), % 85.8 to 91.5
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), % 3.0 to 4.0
0
Iron (Fe), % 0 to 1.0
67.8 to 71.8
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 0.35
17 to 19
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 5.5 to 6.5
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 1.0
0
Zirconium (Zr), % 0
0 to 0.020
Residuals, % 0 to 0.5
0