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A535.0 Aluminum vs. ASTM Grade HN Steel

A535.0 aluminum belongs to the aluminum alloys classification, while ASTM grade HN steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, 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 A535.0 aluminum and the bottom bar is ASTM grade HN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
200
Elongation at Break, % 9.0
9.0
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 25
77
Tensile Strength: Ultimate (UTS), MPa 250
500

Thermal Properties

Latent Heat of Fusion, J/g 390
310
Maximum Temperature: Mechanical, °C 170
1080
Melting Completion (Liquidus), °C 620
1400
Melting Onset (Solidus), °C 550
1350
Specific Heat Capacity, J/kg-K 910
480
Thermal Conductivity, W/m-K 100
13
Thermal Expansion, µm/m-K 24
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
26
Density, g/cm3 2.6
7.9
Embodied Carbon, kg CO2/kg material 9.3
4.6
Embodied Energy, MJ/kg 160
66
Embodied Water, L/kg 1180
180

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 26
17
Strength to Weight: Bending, points 33
18
Thermal Diffusivity, mm2/s 42
3.5
Thermal Shock Resistance, points 11
11

Alloy Composition

Aluminum (Al), % 91.4 to 93.4
0
Carbon (C), % 0
0.2 to 0.5
Chromium (Cr), % 0
19 to 23
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.2
44.9 to 57.8
Magnesium (Mg), % 6.5 to 7.5
0
Manganese (Mn), % 0.1 to 0.25
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), % 0 to 0.2
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0 to 0.25
0
Residuals, % 0 to 0.15
0