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Grade 350 Maraging Steel vs. EN AC-46500 Aluminum

Grade 350 maraging steel belongs to the iron alloys classification, while EN AC-46500 aluminum belongs to the aluminum alloys. There are 22 material properties with values for both materials. Properties with values for just one material (12, 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 350 maraging steel and the bottom bar is EN AC-46500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
74
Elongation at Break, % 4.1 to 18
1.0
Poisson's Ratio 0.3
0.33
Shear Modulus, GPa 75
28
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
270
Tensile Strength: Yield (Proof), MPa 830 to 2300
160

Thermal Properties

Latent Heat of Fusion, J/g 270
520
Melting Completion (Liquidus), °C 1470
610
Melting Onset (Solidus), °C 1420
520
Specific Heat Capacity, J/kg-K 450
880
Thermal Expansion, µm/m-K 12
21

Otherwise Unclassified Properties

Base Metal Price, % relative 39
10
Density, g/cm3 8.2
2.9
Embodied Carbon, kg CO2/kg material 5.6
7.6
Embodied Energy, MJ/kg 74
140
Embodied Water, L/kg 160
1030

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 190
2.3
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
49
Strength to Weight: Axial, points 38 to 82
26
Strength to Weight: Bending, points 29 to 49
32
Thermal Shock Resistance, points 35 to 74
12

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
77.9 to 90
Boron (B), % 0 to 0.0030
0
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 0
0 to 0.15
Cobalt (Co), % 11.5 to 12.5
0
Copper (Cu), % 0
2.0 to 4.0
Iron (Fe), % 61.2 to 64.6
0 to 1.3
Lead (Pb), % 0
0 to 0.35
Magnesium (Mg), % 0
0.050 to 0.55
Manganese (Mn), % 0 to 0.1
0 to 0.55
Molybdenum (Mo), % 4.6 to 5.2
0
Nickel (Ni), % 18 to 19
0 to 0.55
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
8.0 to 11
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 1.3 to 1.6
0 to 0.25
Zinc (Zn), % 0
0 to 3.0
Zirconium (Zr), % 0 to 0.020
0
Residuals, % 0
0 to 0.25