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5049-H18 Aluminum vs. 5050-H18 Aluminum

Both 5049-H18 aluminum and 5050-H18 aluminum are aluminum alloys. Both are furnished in the H18 temper. They have a very high 99% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 5049-H18 aluminum and the bottom bar is 5050-H18 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 88
68
Elastic (Young's, Tensile) Modulus, GPa 69
68
Elongation at Break, % 2.0
1.7
Fatigue Strength, MPa 100
76
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 180
140
Tensile Strength: Ultimate (UTS), MPa 320
250
Tensile Strength: Yield (Proof), MPa 280
210

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 190
180
Melting Completion (Liquidus), °C 650
650
Melting Onset (Solidus), °C 620
630
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 140
190
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
50
Electrical Conductivity: Equal Weight (Specific), % IACS 110
170

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.5
8.4
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.0
4.1
Resilience: Unit (Modulus of Resilience), kJ/m3 570
330
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 33
26
Strength to Weight: Bending, points 38
33
Thermal Diffusivity, mm2/s 56
79
Thermal Shock Resistance, points 14
11

Alloy Composition

Aluminum (Al), % 94.7 to 97.9
96.3 to 98.9
Chromium (Cr), % 0 to 0.3
0 to 0.1
Copper (Cu), % 0 to 0.1
0 to 0.2
Iron (Fe), % 0 to 0.5
0 to 0.7
Magnesium (Mg), % 1.6 to 2.5
1.1 to 1.8
Manganese (Mn), % 0.5 to 1.1
0 to 0.1
Silicon (Si), % 0 to 0.4
0 to 0.4
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
0 to 0.25
Residuals, % 0
0 to 0.15