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7049 Aluminum vs. ASTM A182 Grade F5a

7049 aluminum belongs to the aluminum alloys classification, while ASTM A182 grade F5a belongs to the iron alloys. There are 31 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 7049 aluminum and the bottom bar is ASTM A182 grade F5a.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
310
Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 6.2 to 7.0
25
Fatigue Strength, MPa 160 to 170
380
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 27
74
Shear Strength, MPa 300 to 310
450
Tensile Strength: Ultimate (UTS), MPa 510 to 530
710
Tensile Strength: Yield (Proof), MPa 420 to 450
520

Thermal Properties

Latent Heat of Fusion, J/g 370
260
Maximum Temperature: Mechanical, °C 180
510
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 480
1420
Specific Heat Capacity, J/kg-K 860
470
Thermal Conductivity, W/m-K 130
40
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 110
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
4.5
Density, g/cm3 3.1
7.8
Embodied Carbon, kg CO2/kg material 8.1
1.8
Embodied Energy, MJ/kg 140
24
Embodied Water, L/kg 1110
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 34
160
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 1440
700
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
25
Strength to Weight: Axial, points 46 to 47
25
Strength to Weight: Bending, points 46 to 47
23
Thermal Diffusivity, mm2/s 51
11
Thermal Shock Resistance, points 22 to 23
20

Alloy Composition

Aluminum (Al), % 85.7 to 89.5
0
Carbon (C), % 0
0 to 0.25
Chromium (Cr), % 0.1 to 0.22
4.0 to 6.0
Copper (Cu), % 1.2 to 1.9
0
Iron (Fe), % 0 to 0.35
91.4 to 95.6
Magnesium (Mg), % 2.0 to 2.9
0
Manganese (Mn), % 0 to 0.2
0 to 0.6
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.25
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 7.2 to 8.2
0
Residuals, % 0 to 0.15
0