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ASTM Grade HG10 MNN Steel vs. 5449 Aluminum

ASTM grade HG10 MNN steel belongs to the iron alloys classification, while 5449 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 ASTM grade HG10 MNN steel and the bottom bar is 5449 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
69
Elongation at Break, % 23
4.0 to 17
Fatigue Strength, MPa 170
78 to 120
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
26
Tensile Strength: Ultimate (UTS), MPa 590
210 to 330
Tensile Strength: Yield (Proof), MPa 250
91 to 260

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Maximum Temperature: Mechanical, °C 990
190
Melting Completion (Liquidus), °C 1420
650
Melting Onset (Solidus), °C 1370
590
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 15
140
Thermal Expansion, µm/m-K 16
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
35
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
110

Otherwise Unclassified Properties

Base Metal Price, % relative 21
9.5
Density, g/cm3 7.8
2.8
Embodied Carbon, kg CO2/kg material 4.0
8.5
Embodied Energy, MJ/kg 58
150
Embodied Water, L/kg 160
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
12 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 160
60 to 480
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 21
22 to 33
Strength to Weight: Bending, points 20
29 to 39
Thermal Diffusivity, mm2/s 3.9
56
Thermal Shock Resistance, points 13
9.4 to 15

Alloy Composition

Aluminum (Al), % 0
94.1 to 97.8
Carbon (C), % 0.070 to 0.11
0
Chromium (Cr), % 18.5 to 20.5
0 to 0.3
Copper (Cu), % 0 to 0.5
0 to 0.3
Iron (Fe), % 57.9 to 66.5
0 to 0.7
Magnesium (Mg), % 0
1.6 to 2.6
Manganese (Mn), % 3.0 to 5.0
0.6 to 1.1
Molybdenum (Mo), % 0.25 to 0.45
0
Nickel (Ni), % 11.5 to 13.5
0
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.7
0 to 0.4
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.15