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EN 1.0050 Steel vs. 705.0 Aluminum

EN 1.0050 steel belongs to the iron alloys classification, while 705.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 1.0050 steel and the bottom bar is 705.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
62 to 65
Elastic (Young's, Tensile) Modulus, GPa 190
69
Elongation at Break, % 18
8.4 to 10
Fatigue Strength, MPa 190
63 to 98
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Tensile Strength: Ultimate (UTS), MPa 530
240 to 260
Tensile Strength: Yield (Proof), MPa 280
130

Thermal Properties

Latent Heat of Fusion, J/g 250
390
Maximum Temperature: Mechanical, °C 400
180
Melting Completion (Liquidus), °C 1470
640
Melting Onset (Solidus), °C 1430
610
Specific Heat Capacity, J/kg-K 470
890
Thermal Conductivity, W/m-K 53
140
Thermal Expansion, µm/m-K 12
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.8
34
Electrical Conductivity: Equal Weight (Specific), % IACS 7.8
110

Otherwise Unclassified Properties

Base Metal Price, % relative 1.7
9.5
Density, g/cm3 7.9
2.8
Embodied Carbon, kg CO2/kg material 1.4
8.4
Embodied Energy, MJ/kg 18
150
Embodied Water, L/kg 45
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
18 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 210
120 to 130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
49
Strength to Weight: Axial, points 19
24 to 26
Strength to Weight: Bending, points 18
31 to 32
Thermal Diffusivity, mm2/s 14
55
Thermal Shock Resistance, points 17
11

Alloy Composition


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Aluminum (Al), % 0
92.3 to 98.6
Chromium (Cr), % 0
0 to 0.4
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 99.876 to 100
0 to 0.8
Magnesium (Mg), % 0
1.4 to 1.8
Manganese (Mn), % 0
0 to 0.6
Nitrogen (N), % 0 to 0.014
0
Phosphorus (P), % 0 to 0.055
0
Silicon (Si), % 0
0 to 0.2
Sulfur (S), % 0 to 0.055
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 3.3
Residuals, % 0
0 to 0.15