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SAE-AISI 1065 Steel vs. EN AC-51200 Aluminum

SAE-AISI 1065 steel belongs to the iron alloys classification, while EN AC-51200 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 SAE-AISI 1065 steel and the bottom bar is EN AC-51200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 230
80
Elastic (Young's, Tensile) Modulus, GPa 190
67
Elongation at Break, % 11 to 14
1.1
Fatigue Strength, MPa 270 to 340
100
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
25
Tensile Strength: Ultimate (UTS), MPa 710 to 780
220
Tensile Strength: Yield (Proof), MPa 430 to 550
150

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1460
640
Melting Onset (Solidus), °C 1420
570
Specific Heat Capacity, J/kg-K 470
910
Thermal Conductivity, W/m-K 51
92
Thermal Expansion, µm/m-K 11
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
22
Electrical Conductivity: Equal Weight (Specific), % IACS 12
74

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 1.4
9.6
Embodied Energy, MJ/kg 19
150
Embodied Water, L/kg 46
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 90
2.2
Resilience: Unit (Modulus of Resilience), kJ/m3 490 to 820
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
51
Strength to Weight: Axial, points 25 to 28
24
Strength to Weight: Bending, points 23 to 24
31
Thermal Diffusivity, mm2/s 14
39
Thermal Shock Resistance, points 25 to 27
10

Alloy Composition

Aluminum (Al), % 0
84.5 to 92
Carbon (C), % 0.6 to 0.7
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 98.3 to 98.8
0 to 1.0
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0
8.0 to 10.5
Manganese (Mn), % 0.6 to 0.9
0 to 0.55
Nickel (Ni), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0
0 to 2.5
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15