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2025 Aluminum vs. ASTM A210 Steel

2025 aluminum belongs to the aluminum alloys classification, while ASTM A210 steel belongs to the iron 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 2025 aluminum and the bottom bar is ASTM A210 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 15
34
Fatigue Strength, MPa 130
230 to 250
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Shear Strength, MPa 240
320 to 360
Tensile Strength: Ultimate (UTS), MPa 400
470 to 540
Tensile Strength: Yield (Proof), MPa 260
290 to 310

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 190
400
Melting Completion (Liquidus), °C 640
1460 to 1470
Melting Onset (Solidus), °C 520
1420
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 150
52 to 53
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 120
8.0 to 8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
1.8
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 7.9
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1130
45 to 46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 450
230 to 250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 37
17 to 19
Strength to Weight: Bending, points 40
17 to 19
Thermal Diffusivity, mm2/s 58
14
Thermal Shock Resistance, points 18
15 to 17