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EN 1.8509 Steel vs. EN AC-43300 Aluminum

EN 1.8509 steel belongs to the iron alloys classification, while EN AC-43300 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 1.8509 steel and the bottom bar is EN AC-43300 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
91 to 94
Elastic (Young's, Tensile) Modulus, GPa 190
71
Elongation at Break, % 11
3.4 to 6.7
Fatigue Strength, MPa 580
76 to 77
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
27
Tensile Strength: Ultimate (UTS), MPa 1130
280 to 290
Tensile Strength: Yield (Proof), MPa 940
210 to 230

Thermal Properties

Latent Heat of Fusion, J/g 250
540
Maximum Temperature: Mechanical, °C 440
170
Melting Completion (Liquidus), °C 1450
600
Melting Onset (Solidus), °C 1410
590
Specific Heat Capacity, J/kg-K 480
910
Thermal Conductivity, W/m-K 39
140
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
40
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
140

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
9.5
Density, g/cm3 7.8
2.5
Embodied Carbon, kg CO2/kg material 1.6
7.9
Embodied Energy, MJ/kg 22
150
Embodied Water, L/kg 65
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
9.1 to 17
Resilience: Unit (Modulus of Resilience), kJ/m3 2340
300 to 370
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 25
54
Strength to Weight: Axial, points 40
31 to 32
Strength to Weight: Bending, points 31
37 to 38
Thermal Diffusivity, mm2/s 10
59
Thermal Shock Resistance, points 33
13 to 14

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
88.9 to 90.8
Carbon (C), % 0.38 to 0.45
0
Chromium (Cr), % 1.5 to 1.8
0
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 95.5 to 97.1
0 to 0.19
Magnesium (Mg), % 0
0.25 to 0.45
Manganese (Mn), % 0.4 to 0.7
0 to 0.1
Molybdenum (Mo), % 0.2 to 0.35
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
9.0 to 10
Sulfur (S), % 0 to 0.035
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.1