MakeItFrom.com
Menu (ESC)

5251-H38 Aluminum vs. 5657-H38 Aluminum

Both 5251-H38 aluminum and 5657-H38 aluminum are aluminum alloys. Both are furnished in the H38 temper. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is 5251-H38 aluminum and the bottom bar is 5657-H38 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 77
50
Elastic (Young's, Tensile) Modulus, GPa 68
68
Elongation at Break, % 2.8
7.0
Fatigue Strength, MPa 100
81
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 160
110
Tensile Strength: Ultimate (UTS), MPa 280
200
Tensile Strength: Yield (Proof), MPa 230
170

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 650
660
Melting Onset (Solidus), °C 610
640
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 150
210
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
54
Electrical Conductivity: Equal Weight (Specific), % IACS 120
180

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
160
Embodied Water, L/kg 1180
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.4
13
Resilience: Unit (Modulus of Resilience), kJ/m3 370
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 29
20
Strength to Weight: Bending, points 35
28
Thermal Diffusivity, mm2/s 61
84
Thermal Shock Resistance, points 13
8.6

Alloy Composition

Aluminum (Al), % 95.5 to 98.2
98.5 to 99.4
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.15
0 to 0.1
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.5
0 to 0.1
Magnesium (Mg), % 1.7 to 2.4
0.6 to 1.0
Manganese (Mn), % 0.1 to 0.5
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.080
Titanium (Ti), % 0 to 0.15
0
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.15
0 to 0.050
Residuals, % 0 to 0.15
0 to 0.050