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ASTM A204 Steel vs. 6005 Aluminum

ASTM A204 steel belongs to the iron alloys classification, while 6005 aluminum belongs to the aluminum alloys. There are 31 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 ASTM A204 steel and the bottom bar is 6005 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
90 to 95
Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 18 to 22
9.5 to 17
Fatigue Strength, MPa 200 to 220
55 to 95
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Shear Strength, MPa 330 to 360
120 to 210
Tensile Strength: Ultimate (UTS), MPa 520 to 590
190 to 310
Tensile Strength: Yield (Proof), MPa 290 to 330
100 to 280

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 410
160
Melting Completion (Liquidus), °C 1470
650
Melting Onset (Solidus), °C 1420 to 1430
610
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 52
180 to 200
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
54
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
180

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
9.5
Density, g/cm3 7.9
2.7
Embodied Carbon, kg CO2/kg material 1.5
8.3
Embodied Energy, MJ/kg 20
150
Embodied Water, L/kg 47
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 95
27 to 36
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 290
77 to 550
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
51
Strength to Weight: Axial, points 18 to 21
20 to 32
Strength to Weight: Bending, points 18 to 20
28 to 38
Thermal Diffusivity, mm2/s 14
74 to 83
Thermal Shock Resistance, points 15 to 17
8.6 to 14