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ASTM A266 Carbon Steel vs. AWS BAu-5

ASTM A266 carbon steel belongs to the iron alloys classification, while AWS BAu-5 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (18, 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 BAu-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Poisson's Ratio 0.29
0.37
Shear Modulus, GPa 73
50
Tensile Strength: Ultimate (UTS), MPa 500 to 600
210

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Melting Completion (Liquidus), °C 1460
1170
Melting Onset (Solidus), °C 1420
1140
Specific Heat Capacity, J/kg-K 470
280
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Density, g/cm3 7.8
13

Common Calculations

Stiffness to Weight: Axial, points 13
5.8
Stiffness to Weight: Bending, points 24
13
Strength to Weight: Axial, points 18 to 21
4.5
Strength to Weight: Bending, points 18 to 20
6.0
Thermal Shock Resistance, points 16 to 19
9.0