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EN 1.0070 Steel vs. 6063A Aluminum

EN 1.0070 steel belongs to the iron alloys classification, while 6063A aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 1.0070 steel and the bottom bar is 6063A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 9.1
6.7 to 18
Fatigue Strength, MPa 210
53 to 80
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Shear Strength, MPa 440
78 to 150
Tensile Strength: Ultimate (UTS), MPa 740
130 to 260
Tensile Strength: Yield (Proof), MPa 350
55 to 200

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 400
160
Melting Completion (Liquidus), °C 1470
640
Melting Onset (Solidus), °C 1430
620
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 53
200
Thermal Expansion, µm/m-K 12
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
49 to 54
Electrical Conductivity: Equal Weight (Specific), % IACS 7.8
160 to 180

Otherwise Unclassified Properties

Base Metal Price, % relative 1.7
9.5
Density, g/cm3 7.9
2.7
Embodied Carbon, kg CO2/kg material 1.4
8.3
Embodied Energy, MJ/kg 18
150
Embodied Water, L/kg 45
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
13 to 21
Resilience: Unit (Modulus of Resilience), kJ/m3 320
22 to 280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 26
13 to 26
Strength to Weight: Bending, points 23
21 to 33
Thermal Diffusivity, mm2/s 14
83
Thermal Shock Resistance, points 23
5.6 to 11

Alloy Composition

Aluminum (Al), % 0
97.5 to 99
Chromium (Cr), % 0
0 to 0.050
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 99.876 to 100
0.15 to 0.35
Magnesium (Mg), % 0
0.6 to 0.9
Manganese (Mn), % 0
0 to 0.15
Nitrogen (N), % 0 to 0.014
0
Phosphorus (P), % 0 to 0.055
0
Silicon (Si), % 0
0.3 to 0.6
Sulfur (S), % 0 to 0.055
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.15
Residuals, % 0
0 to 0.15