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ASTM A266 Carbon Steel vs. AWS BAg-2

ASTM A266 carbon steel belongs to the iron alloys classification, while AWS BAg-2 belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is ASTM A266 carbon steel and the bottom bar is AWS BAg-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
82
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
31
Tensile Strength: Ultimate (UTS), MPa 500 to 600
180

Thermal Properties

Latent Heat of Fusion, J/g 250
130
Melting Completion (Liquidus), °C 1460
700
Melting Onset (Solidus), °C 1420
610
Specific Heat Capacity, J/kg-K 470
310
Thermal Expansion, µm/m-K 12
22

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.4
35
Embodied Energy, MJ/kg 18 to 19
550

Common Calculations

Stiffness to Weight: Axial, points 13
5.1
Stiffness to Weight: Bending, points 24
16
Strength to Weight: Axial, points 18 to 21
5.6
Strength to Weight: Bending, points 18 to 20
7.9
Thermal Shock Resistance, points 16 to 19
7.0