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2117 Aluminum vs. ASTM Grade HG10 MNN Steel

2117 aluminum belongs to the aluminum alloys classification, while ASTM grade HG10 MNN steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 2117 aluminum and the bottom bar is ASTM grade HG10 MNN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
170
Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 26
23
Fatigue Strength, MPa 95
170
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Tensile Strength: Ultimate (UTS), MPa 300
590
Tensile Strength: Yield (Proof), MPa 170
250

Thermal Properties

Latent Heat of Fusion, J/g 400
290
Maximum Temperature: Mechanical, °C 220
990
Melting Completion (Liquidus), °C 650
1420
Melting Onset (Solidus), °C 550
1370
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 150
15
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
21
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 8.2
4.0
Embodied Energy, MJ/kg 150
58
Embodied Water, L/kg 1150
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
110
Resilience: Unit (Modulus of Resilience), kJ/m3 190
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
25
Strength to Weight: Axial, points 28
21
Strength to Weight: Bending, points 33
20
Thermal Diffusivity, mm2/s 59
3.9
Thermal Shock Resistance, points 12
13

Alloy Composition

Aluminum (Al), % 91 to 97.6
0
Carbon (C), % 0
0.070 to 0.11
Chromium (Cr), % 0 to 0.1
18.5 to 20.5
Copper (Cu), % 2.2 to 4.5
0 to 0.5
Iron (Fe), % 0 to 0.7
57.9 to 66.5
Magnesium (Mg), % 0.2 to 1.0
0
Manganese (Mn), % 0.4 to 1.0
3.0 to 5.0
Molybdenum (Mo), % 0
0.25 to 0.45
Nickel (Ni), % 0
11.5 to 13.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.2 to 0.8
0 to 0.7
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0 to 0.15
0