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ASTM A225 Steel vs. 5652 Aluminum

ASTM A225 steel belongs to the iron alloys classification, while 5652 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 A225 steel and the bottom bar is 5652 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 250
47 to 77
Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 21 to 23
6.8 to 25
Fatigue Strength, MPa 330 to 390
60 to 140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Shear Strength, MPa 390 to 520
110 to 170
Tensile Strength: Ultimate (UTS), MPa 620 to 830
190 to 290
Tensile Strength: Yield (Proof), MPa 460 to 550
74 to 260

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 400
190
Melting Completion (Liquidus), °C 1460
650
Melting Onset (Solidus), °C 1420
610
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 52
140
Thermal Expansion, µm/m-K 13
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
35
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
120

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 1.8
8.6
Embodied Energy, MJ/kg 24 to 25
150
Embodied Water, L/kg 48
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 170
12 to 39
Resilience: Unit (Modulus of Resilience), kJ/m3 580 to 820
40 to 480
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
51
Strength to Weight: Axial, points 22 to 29
20 to 30
Strength to Weight: Bending, points 21 to 25
27 to 36
Thermal Diffusivity, mm2/s 14
57
Thermal Shock Resistance, points 18 to 24
8.4 to 13

Comparable Variants