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AWS BVAu-8 vs. ASTM A217 Cast Steel

AWS BVAu-8 belongs to the otherwise unclassified metals classification, while ASTM A217 cast steel belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown. 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 AWS BVAu-8 and the bottom bar is ASTM A217 cast steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Poisson's Ratio 0.42
0.28 to 0.29
Shear Modulus, GPa 36
73 to 75
Tensile Strength: Ultimate (UTS), MPa 140
540 to 710

Thermal Properties

Latent Heat of Fusion, J/g 71
250 to 270
Melting Completion (Liquidus), °C 1240
1450 to 1460
Melting Onset (Solidus), °C 1200
1410 to 1420
Specific Heat Capacity, J/kg-K 140
470
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Density, g/cm3 19
7.8

Common Calculations

Stiffness to Weight: Axial, points 3.0
13 to 14
Stiffness to Weight: Bending, points 8.3
24 to 25
Strength to Weight: Axial, points 2.1
19 to 25
Strength to Weight: Bending, points 3.2
19 to 23
Thermal Shock Resistance, points 7.1
16 to 20