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ASTM A225 Steel vs. 711.0 Aluminum

ASTM A225 steel belongs to the iron alloys classification, while 711.0 aluminum belongs to the aluminum 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 ASTM A225 steel and the bottom bar is 711.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 250
70
Elastic (Young's, Tensile) Modulus, GPa 190
71
Elongation at Break, % 21 to 23
7.8
Fatigue Strength, MPa 330 to 390
100
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
27
Tensile Strength: Ultimate (UTS), MPa 620 to 830
220
Tensile Strength: Yield (Proof), MPa 460 to 550
140

Thermal Properties

Latent Heat of Fusion, J/g 250
380
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1460
640
Melting Onset (Solidus), °C 1420
610
Specific Heat Capacity, J/kg-K 470
860
Thermal Conductivity, W/m-K 52
160
Thermal Expansion, µm/m-K 13
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
40
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
3.0
Embodied Carbon, kg CO2/kg material 1.8
7.9
Embodied Energy, MJ/kg 24 to 25
150
Embodied Water, L/kg 48
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 170
15
Resilience: Unit (Modulus of Resilience), kJ/m3 580 to 820
140
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
45
Strength to Weight: Axial, points 22 to 29
20
Strength to Weight: Bending, points 21 to 25
26
Thermal Diffusivity, mm2/s 14
61
Thermal Shock Resistance, points 18 to 24
9.3