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ASTM A283 Carbon Steel vs. 384.0 Aluminum

ASTM A283 carbon steel belongs to the iron alloys classification, while 384.0 aluminum belongs to the aluminum alloys. 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 ASTM A283 carbon steel and the bottom bar is 384.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 140
85
Elastic (Young's, Tensile) Modulus, GPa 190
74
Elongation at Break, % 26 to 34
2.5
Fatigue Strength, MPa 150 to 190
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
28
Shear Strength, MPa 240 to 310
200
Tensile Strength: Ultimate (UTS), MPa 360 to 480
330
Tensile Strength: Yield (Proof), MPa 180 to 260
170

Thermal Properties

Latent Heat of Fusion, J/g 250
550
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1460
580
Melting Onset (Solidus), °C 1420
530
Specific Heat Capacity, J/kg-K 470
870
Thermal Conductivity, W/m-K 51 to 53
96
Thermal Expansion, µm/m-K 12
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
22
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
69

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
11
Density, g/cm3 7.8 to 7.9
2.9
Embodied Carbon, kg CO2/kg material 1.4
7.4
Embodied Energy, MJ/kg 18
140
Embodied Water, L/kg 46
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
6.9
Resilience: Unit (Modulus of Resilience), kJ/m3 91 to 180
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
49
Strength to Weight: Axial, points 13 to 17
32
Strength to Weight: Bending, points 14 to 17
37
Thermal Diffusivity, mm2/s 14
39
Thermal Shock Resistance, points 11 to 15
15