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1080A Aluminum vs. Grade 300 Maraging Steel

1080A aluminum belongs to the aluminum alloys classification, while grade 300 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 1080A aluminum and the bottom bar is grade 300 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 2.3 to 34
6.5 to 18
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 26
75
Shear Strength, MPa 49 to 81
640 to 1190
Tensile Strength: Ultimate (UTS), MPa 74 to 140
1030 to 2030
Tensile Strength: Yield (Proof), MPa 17 to 120
760 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Melting Completion (Liquidus), °C 640
1480
Melting Onset (Solidus), °C 640
1430
Specific Heat Capacity, J/kg-K 900
450
Thermal Expansion, µm/m-K 23
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
34
Density, g/cm3 2.7
8.2
Embodied Carbon, kg CO2/kg material 8.3
5.1
Embodied Energy, MJ/kg 160
68
Embodied Water, L/kg 1200
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1 to 19
130 to 170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 7.6 to 15
35 to 68
Strength to Weight: Bending, points 14 to 22
28 to 43
Thermal Shock Resistance, points 3.3 to 6.4
31 to 62

Alloy Composition

Aluminum (Al), % 99.8 to 100
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), % 0 to 0.030
0
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.15
65 to 68.4
Magnesium (Mg), % 0 to 0.020
0
Manganese (Mn), % 0 to 0.020
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 0
18 to 19
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.15
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.020
0.5 to 0.8
Zinc (Zn), % 0 to 0.060
0
Zirconium (Zr), % 0
0 to 0.020

Comparable Variants