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A380.0 Aluminum vs. ASTM Grade HP Steel

A380.0 aluminum belongs to the aluminum alloys classification, while ASTM grade HP steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, 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 A380.0 aluminum and the bottom bar is ASTM grade HP steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
140
Elastic (Young's, Tensile) Modulus, GPa 73
200
Elongation at Break, % 3.3
5.1
Fatigue Strength, MPa 140
130
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
78
Tensile Strength: Ultimate (UTS), MPa 290
490
Tensile Strength: Yield (Proof), MPa 160
260

Thermal Properties

Latent Heat of Fusion, J/g 510
320
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 590
1370
Melting Onset (Solidus), °C 550
1330
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 96
12
Thermal Expansion, µm/m-K 22
16

Otherwise Unclassified Properties

Base Metal Price, % relative 11
34
Density, g/cm3 2.9
7.9
Embodied Carbon, kg CO2/kg material 7.5
5.8
Embodied Energy, MJ/kg 140
82
Embodied Water, L/kg 1040
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.3
21
Resilience: Unit (Modulus of Resilience), kJ/m3 180
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 48
25
Strength to Weight: Axial, points 28
17
Strength to Weight: Bending, points 34
17
Thermal Diffusivity, mm2/s 38
3.2
Thermal Shock Resistance, points 13
11

Alloy Composition

Aluminum (Al), % 80.3 to 89.5
0
Carbon (C), % 0
0.35 to 0.75
Chromium (Cr), % 0
24 to 28
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 0 to 1.3
29.2 to 42.7
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.5
33 to 37
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 7.5 to 9.5
0 to 2.5
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0