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7049 Aluminum vs. EN 1.0213 Steel

7049 aluminum belongs to the aluminum alloys classification, while EN 1.0213 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, 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 7049 aluminum and the bottom bar is EN 1.0213 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
92 to 120
Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 6.2 to 7.0
12 to 25
Fatigue Strength, MPa 160 to 170
160 to 240
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 27
73
Shear Strength, MPa 300 to 310
230 to 270
Tensile Strength: Ultimate (UTS), MPa 510 to 530
320 to 430
Tensile Strength: Yield (Proof), MPa 420 to 450
220 to 330

Thermal Properties

Latent Heat of Fusion, J/g 370
250
Maximum Temperature: Mechanical, °C 180
400
Melting Completion (Liquidus), °C 640
1470
Melting Onset (Solidus), °C 480
1430
Specific Heat Capacity, J/kg-K 860
470
Thermal Conductivity, W/m-K 130
53
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 110
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
1.8
Density, g/cm3 3.1
7.9
Embodied Carbon, kg CO2/kg material 8.1
1.4
Embodied Energy, MJ/kg 140
18
Embodied Water, L/kg 1110
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 34
33 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 1440
120 to 300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
24
Strength to Weight: Axial, points 46 to 47
11 to 15
Strength to Weight: Bending, points 46 to 47
13 to 16
Thermal Diffusivity, mm2/s 51
14
Thermal Shock Resistance, points 22 to 23
10 to 14

Alloy Composition

Aluminum (Al), % 85.7 to 89.5
0.020 to 0.060
Carbon (C), % 0
0.060 to 0.1
Chromium (Cr), % 0.1 to 0.22
0
Copper (Cu), % 1.2 to 1.9
0
Iron (Fe), % 0 to 0.35
99.245 to 99.67
Magnesium (Mg), % 2.0 to 2.9
0
Manganese (Mn), % 0 to 0.2
0.25 to 0.45
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.25
0 to 0.1
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 7.2 to 8.2
0
Residuals, % 0 to 0.15
0