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3005-O Aluminum vs. EN 1.7701 +A Steel

3005-O aluminum belongs to the aluminum alloys classification, while EN 1.7701 +A steel belongs to the iron alloys. 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 3005-O aluminum and the bottom bar is EN 1.7701 +A steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 33
210
Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 16
20
Fatigue Strength, MPa 53
300
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 84
440
Tensile Strength: Ultimate (UTS), MPa 140
710
Tensile Strength: Yield (Proof), MPa 51
440

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 180
420
Melting Completion (Liquidus), °C 660
1460
Melting Onset (Solidus), °C 640
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 160
44
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.6
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 8.2
1.9
Embodied Energy, MJ/kg 150
26
Embodied Water, L/kg 1180
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
130
Resilience: Unit (Modulus of Resilience), kJ/m3 18
510
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
24
Strength to Weight: Axial, points 14
25
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 64
12
Thermal Shock Resistance, points 6.0
21

Alloy Composition


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Aluminum (Al), % 95.7 to 98.8
0
Carbon (C), % 0
0.48 to 0.56
Chromium (Cr), % 0 to 0.1
0.9 to 1.2
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 0 to 0.7
96.2 to 97.7
Magnesium (Mg), % 0.2 to 0.6
0
Manganese (Mn), % 1.0 to 1.5
0.7 to 1.1
Molybdenum (Mo), % 0
0.15 to 0.3
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.6
0 to 0.4
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.1
0
Vanadium (V), % 0
0.1 to 0.2
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0