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6262 Aluminum vs. ASTM A588 Steel

6262 aluminum belongs to the aluminum alloys classification, while ASTM A588 steel belongs to the iron alloys. There are 30 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 6262 aluminum and the bottom bar is ASTM A588 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 4.6 to 10
22
Fatigue Strength, MPa 90 to 110
270
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 170 to 240
350
Tensile Strength: Ultimate (UTS), MPa 290 to 390
550
Tensile Strength: Yield (Proof), MPa 270 to 360
390

Thermal Properties

Latent Heat of Fusion, J/g 400
250 to 260
Maximum Temperature: Mechanical, °C 160
410
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 580
1410 to 1420
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 170
43 to 44
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.3 to 2.5
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 8.3
1.5 to 1.6
Embodied Energy, MJ/kg 150
20 to 22
Embodied Water, L/kg 1190
50 to 51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 31
110
Resilience: Unit (Modulus of Resilience), kJ/m3 530 to 940
400
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 48
24
Strength to Weight: Axial, points 29 to 39
20
Strength to Weight: Bending, points 35 to 42
19
Thermal Diffusivity, mm2/s 69
12
Thermal Shock Resistance, points 13 to 18
16