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ASTM A202 Steel vs. B535.0 Aluminum

ASTM A202 steel belongs to the iron alloys classification, while B535.0 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 A202 steel and the bottom bar is B535.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
65
Elastic (Young's, Tensile) Modulus, GPa 190
66
Elongation at Break, % 17 to 18
10
Fatigue Strength, MPa 240
62
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
25
Shear Strength, MPa 360 to 410
210
Tensile Strength: Ultimate (UTS), MPa 590 to 670
260
Tensile Strength: Yield (Proof), MPa 350 to 360
130

Thermal Properties

Latent Heat of Fusion, J/g 260
390
Maximum Temperature: Mechanical, °C 410
170
Melting Completion (Liquidus), °C 1450
630
Melting Onset (Solidus), °C 1410
550
Specific Heat Capacity, J/kg-K 470
910
Thermal Conductivity, W/m-K 52
96
Thermal Expansion, µm/m-K 13
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
24
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
82

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 1.4
9.4
Embodied Energy, MJ/kg 19
160
Embodied Water, L/kg 49
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 96
22
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 350
130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
51
Strength to Weight: Axial, points 21 to 24
28
Strength to Weight: Bending, points 20 to 22
35
Thermal Diffusivity, mm2/s 14
40
Thermal Shock Resistance, points 17 to 20
11