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2195 Aluminum vs. ASTM A285 Carbon Steel

2195 aluminum belongs to the aluminum alloys classification, while ASTM A285 carbon steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 2195 aluminum and the bottom bar is ASTM A285 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 9.3
30 to 34
Fatigue Strength, MPa 190
150 to 180
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 350
250 to 290
Tensile Strength: Ultimate (UTS), MPa 590
380 to 450
Tensile Strength: Yield (Proof), MPa 560
190 to 230

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Maximum Temperature: Mechanical, °C 210
400
Melting Completion (Liquidus), °C 660
1470
Melting Onset (Solidus), °C 550
1420 to 1430
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 130
53
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 31
1.8
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 8.6
1.4
Embodied Energy, MJ/kg 160
18
Embodied Water, L/kg 1470
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
110
Resilience: Unit (Modulus of Resilience), kJ/m3 2290
94 to 150
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 55
13 to 16
Strength to Weight: Bending, points 53
15 to 17
Thermal Diffusivity, mm2/s 49
14
Thermal Shock Resistance, points 26
12 to 14