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Grade 200 Maraging Steel vs. A206.0 Aluminum

Grade 200 maraging steel belongs to the iron alloys classification, while A206.0 aluminum belongs to the aluminum alloys. There are 24 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 grade 200 maraging steel and the bottom bar is A206.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Elongation at Break, % 9.1 to 18
4.2 to 10
Poisson's Ratio 0.3
0.33
Shear Modulus, GPa 74
26
Shear Strength, MPa 600 to 890
260
Tensile Strength: Ultimate (UTS), MPa 970 to 1500
390 to 440
Tensile Strength: Yield (Proof), MPa 690 to 1490
250 to 380

Thermal Properties

Latent Heat of Fusion, J/g 260
390
Melting Completion (Liquidus), °C 1460
670
Melting Onset (Solidus), °C 1420
550
Specific Heat Capacity, J/kg-K 460
880
Thermal Expansion, µm/m-K 12
23

Otherwise Unclassified Properties

Base Metal Price, % relative 31
11
Density, g/cm3 8.2
3.0
Embodied Carbon, kg CO2/kg material 4.5
8.0
Embodied Energy, MJ/kg 59
150
Embodied Water, L/kg 140
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
16 to 37
Resilience: Unit (Modulus of Resilience), kJ/m3 1240 to 5740
440 to 1000
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
46
Strength to Weight: Axial, points 33 to 51
36 to 41
Strength to Weight: Bending, points 27 to 35
39 to 43
Thermal Shock Resistance, points 29 to 45
17 to 19

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
93.9 to 95.7
Boron (B), % 0 to 0.0030
0
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0
Cobalt (Co), % 8.0 to 9.0
0
Copper (Cu), % 0
4.2 to 5.0
Iron (Fe), % 67.8 to 71.8
0 to 0.1
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0 to 0.1
0 to 0.2
Molybdenum (Mo), % 3.0 to 3.5
0
Nickel (Ni), % 17 to 19
0 to 0.050
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0 to 0.050
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0.15 to 0.25
0.15 to 0.3
Zinc (Zn), % 0
0 to 0.1
Zirconium (Zr), % 0 to 0.020
0
Residuals, % 0
0 to 0.15