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5070 Aluminum vs. ASTM Grade HP Steel

5070 aluminum belongs to the aluminum alloys classification, while ASTM grade HP steel belongs to the iron alloys. There are 27 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 5070 aluminum and the bottom bar is ASTM grade HP steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 20
5.1
Fatigue Strength, MPa 150
130
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
78
Tensile Strength: Ultimate (UTS), MPa 300
490
Tensile Strength: Yield (Proof), MPa 140
260

Thermal Properties

Latent Heat of Fusion, J/g 390
320
Maximum Temperature: Mechanical, °C 190
1100
Melting Completion (Liquidus), °C 640
1370
Melting Onset (Solidus), °C 550
1330
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 130
12
Thermal Expansion, µm/m-K 24
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
34
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.8
5.8
Embodied Energy, MJ/kg 150
82
Embodied Water, L/kg 1170
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
21
Resilience: Unit (Modulus of Resilience), kJ/m3 150
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 31
17
Strength to Weight: Bending, points 37
17
Thermal Diffusivity, mm2/s 53
3.2
Thermal Shock Resistance, points 14
11

Alloy Composition


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Aluminum (Al), % 92.4 to 95.7
0
Carbon (C), % 0
0.35 to 0.75
Chromium (Cr), % 0 to 0.3
24 to 28
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.4
29.2 to 42.7
Magnesium (Mg), % 3.5 to 4.5
0
Manganese (Mn), % 0.4 to 0.8
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
33 to 37
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.25
0 to 2.5
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0.4 to 0.8
0
Residuals, % 0 to 0.15
0