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EN AC-71100 Aluminum vs. SAE-AISI 1095 Steel

EN AC-71100 aluminum belongs to the aluminum alloys classification, while SAE-AISI 1095 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 AC-71100 aluminum and the bottom bar is SAE-AISI 1095 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
200 to 270
Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 1.1
10 to 11
Fatigue Strength, MPa 150
310 to 370
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 27
72
Tensile Strength: Ultimate (UTS), MPa 260
680 to 900
Tensile Strength: Yield (Proof), MPa 230
500 to 590

Thermal Properties

Latent Heat of Fusion, J/g 490
240
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 580
1450
Melting Onset (Solidus), °C 520
1410
Specific Heat Capacity, J/kg-K 860
470
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 97
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 7.4
1.4
Embodied Energy, MJ/kg 140
19
Embodied Water, L/kg 1010
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8
63 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 360
660 to 930
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 47
24
Strength to Weight: Axial, points 25
24 to 32
Strength to Weight: Bending, points 31
22 to 26
Thermal Shock Resistance, points 12
22 to 29

Alloy Composition

Aluminum (Al), % 78.7 to 83.3
0
Carbon (C), % 0
0.9 to 1.0
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.3
98.4 to 98.8
Magnesium (Mg), % 0.2 to 0.5
0
Manganese (Mn), % 0 to 0.15
0.3 to 0.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 7.5 to 9.5
0
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 9.0 to 10.5
0
Residuals, % 0 to 0.15
0