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1070 Aluminum vs. Grade 350 Maraging Steel

1070 aluminum belongs to the aluminum alloys classification, while grade 350 maraging steel belongs to the iron 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 1070 aluminum and the bottom bar is grade 350 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 4.5 to 39
4.1 to 18
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 26
75
Shear Strength, MPa 48 to 79
710 to 1400
Tensile Strength: Ultimate (UTS), MPa 73 to 140
1140 to 2420
Tensile Strength: Yield (Proof), MPa 17 to 120
830 to 2300

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Melting Completion (Liquidus), °C 640
1470
Melting Onset (Solidus), °C 640
1420
Specific Heat Capacity, J/kg-K 900
450
Thermal Expansion, µm/m-K 23
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
39
Density, g/cm3 2.7
8.2
Embodied Carbon, kg CO2/kg material 8.3
5.6
Embodied Energy, MJ/kg 160
74
Embodied Water, L/kg 1200
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.8 to 21
98 to 190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 7.5 to 14
38 to 82
Strength to Weight: Bending, points 14 to 22
29 to 49
Thermal Shock Resistance, points 3.3 to 6.1
35 to 74

Alloy Composition

Aluminum (Al), % 99.7 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
11.5 to 12.5
Copper (Cu), % 0 to 0.040
0
Iron (Fe), % 0 to 0.25
61.2 to 64.6
Magnesium (Mg), % 0 to 0.030
0
Manganese (Mn), % 0 to 0.030
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 0.2
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.030
1.3 to 1.6
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.040
0
Zirconium (Zr), % 0
0 to 0.020
Residuals, % 0 to 0.030
0

Comparable Variants