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ASTM A204 Steel vs. AWS BAg-20

ASTM A204 steel belongs to the iron alloys classification, while AWS BAg-20 belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is ASTM A204 steel and the bottom bar is AWS BAg-20.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
93
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
35
Tensile Strength: Ultimate (UTS), MPa 520 to 590
160

Thermal Properties

Latent Heat of Fusion, J/g 250
150
Melting Completion (Liquidus), °C 1470
770
Melting Onset (Solidus), °C 1420 to 1430
680
Specific Heat Capacity, J/kg-K 470
340
Thermal Expansion, µm/m-K 13
21

Otherwise Unclassified Properties

Density, g/cm3 7.9
8.6
Embodied Carbon, kg CO2/kg material 1.5
30
Embodied Energy, MJ/kg 20
480

Common Calculations

Stiffness to Weight: Axial, points 13
6.0
Stiffness to Weight: Bending, points 24
17
Strength to Weight: Axial, points 18 to 21
5.1
Strength to Weight: Bending, points 18 to 20
7.6
Thermal Shock Resistance, points 15 to 17
5.9