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296.0 Aluminum vs. EN 1.7703 Steel

296.0 aluminum belongs to the aluminum alloys classification, while EN 1.7703 steel belongs to the iron 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 296.0 aluminum and the bottom bar is EN 1.7703 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75 to 90
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 3.2 to 7.1
20
Fatigue Strength, MPa 47 to 70
320 to 340
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
74
Tensile Strength: Ultimate (UTS), MPa 260 to 270
670 to 690
Tensile Strength: Yield (Proof), MPa 120 to 180
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 170
460
Melting Completion (Liquidus), °C 630
1470
Melting Onset (Solidus), °C 540
1430
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 130 to 150
39
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33 to 37
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 99 to 110
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
4.2
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 7.8
2.5
Embodied Energy, MJ/kg 150
35
Embodied Water, L/kg 1110
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.6 to 15
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 220
570 to 650
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 24 to 25
24
Strength to Weight: Bending, points 30 to 31
22
Thermal Diffusivity, mm2/s 51 to 56
11
Thermal Shock Resistance, points 12
19 to 20

Alloy Composition

Aluminum (Al), % 89 to 94
0
Carbon (C), % 0
0.11 to 0.15
Chromium (Cr), % 0
2.0 to 2.5
Copper (Cu), % 4.0 to 5.0
0 to 0.2
Iron (Fe), % 0 to 1.2
94.6 to 96.4
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.35
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0 to 0.35
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 2.0 to 3.0
0 to 0.1
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 0 to 0.25
0 to 0.030
Vanadium (V), % 0
0.25 to 0.35
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.35
0