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6261 Aluminum vs. ASTM A210 Steel

6261 aluminum belongs to the aluminum alloys classification, while ASTM A210 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 6261 aluminum and the bottom bar is ASTM A210 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 9.0 to 16
34
Fatigue Strength, MPa 60 to 120
230 to 250
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 90 to 180
320 to 360
Tensile Strength: Ultimate (UTS), MPa 150 to 300
470 to 540
Tensile Strength: Yield (Proof), MPa 100 to 260
290 to 310

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 160
400
Melting Completion (Liquidus), °C 640
1460 to 1470
Melting Onset (Solidus), °C 610
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 180
52 to 53
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 48
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 160
8.0 to 8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.3
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1180
45 to 46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 27
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 77 to 500
230 to 250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 15 to 31
17 to 19
Strength to Weight: Bending, points 23 to 37
17 to 19
Thermal Diffusivity, mm2/s 75
14
Thermal Shock Resistance, points 6.5 to 13
15 to 17