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AWS BAg-37 vs. ASTM A27 Cast Steel

AWS BAg-37 belongs to the otherwise unclassified metals classification, while ASTM A27 cast steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AWS BAg-37 and the bottom bar is ASTM A27 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 94
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 36
73
Tensile Strength: Ultimate (UTS), MPa 180
460 to 550

Thermal Properties

Latent Heat of Fusion, J/g 150
250
Melting Completion (Liquidus), °C 780
1460
Melting Onset (Solidus), °C 690
1420
Specific Heat Capacity, J/kg-K 350
470
Thermal Expansion, µm/m-K 21
12

Otherwise Unclassified Properties

Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 26
1.4
Embodied Energy, MJ/kg 410
18

Common Calculations

Stiffness to Weight: Axial, points 6.1
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 5.9
16 to 20
Strength to Weight: Bending, points 8.3
17 to 19
Thermal Shock Resistance, points 6.6
15 to 18