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5070 Aluminum vs. Grade 300 Maraging Steel

5070 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 (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 5070 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, % 20
6.5 to 18
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 26
75
Shear Strength, MPa 190
640 to 1190
Tensile Strength: Ultimate (UTS), MPa 300
1030 to 2030
Tensile Strength: Yield (Proof), MPa 140
760 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 390
270
Melting Completion (Liquidus), °C 640
1480
Melting Onset (Solidus), °C 550
1430
Specific Heat Capacity, J/kg-K 900
450
Thermal Expansion, µm/m-K 24
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
34
Density, g/cm3 2.7
8.2
Embodied Carbon, kg CO2/kg material 8.8
5.1
Embodied Energy, MJ/kg 150
68
Embodied Water, L/kg 1170
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
130 to 170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 31
35 to 68
Strength to Weight: Bending, points 37
28 to 43
Thermal Shock Resistance, points 14
31 to 62

Alloy Composition


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Aluminum (Al), % 92.4 to 95.7
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
Chromium (Cr), % 0 to 0.3
0
Cobalt (Co), % 0
8.5 to 9.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.4
65 to 68.4
Magnesium (Mg), % 3.5 to 4.5
0
Manganese (Mn), % 0.4 to 0.8
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 0.25
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.15
0.5 to 0.8
Zinc (Zn), % 0.4 to 0.8
0
Zirconium (Zr), % 0
0 to 0.020
Residuals, % 0 to 0.15
0