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K93050 Alloy vs. 7050 Aluminum

K93050 alloy belongs to the iron alloys classification, while 7050 aluminum belongs to the aluminum alloys. There are 19 material properties with values for both materials. Properties with values for just one material (11, 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 K93050 alloy and the bottom bar is 7050 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 72
26
Tensile Strength: Ultimate (UTS), MPa 500 to 680
490 to 570

Thermal Properties

Latent Heat of Fusion, J/g 270
370
Melting Completion (Liquidus), °C 1430
630
Melting Onset (Solidus), °C 1380
490
Specific Heat Capacity, J/kg-K 460
860
Thermal Expansion, µm/m-K 12
24

Otherwise Unclassified Properties

Base Metal Price, % relative 26
10
Density, g/cm3 8.2
3.1
Embodied Carbon, kg CO2/kg material 4.7
8.2
Embodied Energy, MJ/kg 65
150
Embodied Water, L/kg 120
1120

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
45
Strength to Weight: Axial, points 17 to 23
45 to 51
Strength to Weight: Bending, points 17 to 21
45 to 50
Thermal Shock Resistance, points 16 to 21
21 to 25

Alloy Composition

Aluminum (Al), % 0
87.3 to 92.1
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 0 to 0.25
0 to 0.040
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0
2.0 to 2.6
Iron (Fe), % 61.4 to 63.9
0 to 0.15
Magnesium (Mg), % 0
1.9 to 2.6
Manganese (Mn), % 0 to 1.0
0 to 0.1
Nickel (Ni), % 36
0
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0.15 to 0.3
0
Silicon (Si), % 0 to 0.35
0 to 0.12
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0
0 to 0.060
Zinc (Zn), % 0
5.7 to 6.7
Zirconium (Zr), % 0
0.080 to 0.15
Residuals, % 0
0 to 0.15