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EN AC-42200 Aluminum vs. ASTM Grade HN Steel

EN AC-42200 aluminum belongs to the aluminum alloys classification, while ASTM grade HN steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 EN AC-42200 aluminum and the bottom bar is ASTM grade HN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 89 to 100
140
Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 3.0 to 6.7
9.0
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Tensile Strength: Ultimate (UTS), MPa 320
500

Thermal Properties

Latent Heat of Fusion, J/g 500
310
Maximum Temperature: Mechanical, °C 170
1080
Melting Completion (Liquidus), °C 610
1400
Melting Onset (Solidus), °C 600
1350
Specific Heat Capacity, J/kg-K 910
480
Thermal Conductivity, W/m-K 150
13
Thermal Expansion, µm/m-K 22
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
26
Density, g/cm3 2.6
7.9
Embodied Carbon, kg CO2/kg material 8.0
4.6
Embodied Energy, MJ/kg 150
66
Embodied Water, L/kg 1110
180

Common Calculations

Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 53
25
Strength to Weight: Axial, points 34 to 35
17
Strength to Weight: Bending, points 40 to 41
18
Thermal Diffusivity, mm2/s 66
3.5
Thermal Shock Resistance, points 15
11

Alloy Composition

Aluminum (Al), % 91 to 93.1
0
Carbon (C), % 0
0.2 to 0.5
Chromium (Cr), % 0
19 to 23
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.19
44.9 to 57.8
Magnesium (Mg), % 0.45 to 0.7
0
Manganese (Mn), % 0 to 0.1
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
23 to 27
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 6.5 to 7.5
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0