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ASTM A27 Cast Steel vs. AWS BVAu-8

ASTM A27 cast steel belongs to the iron alloys classification, while AWS BVAu-8 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (16, 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 ASTM A27 cast steel and the bottom bar is AWS BVAu-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Poisson's Ratio 0.29
0.42
Shear Modulus, GPa 73
36
Tensile Strength: Ultimate (UTS), MPa 460 to 550
140

Thermal Properties

Latent Heat of Fusion, J/g 250
71
Melting Completion (Liquidus), °C 1460
1240
Melting Onset (Solidus), °C 1420
1200
Specific Heat Capacity, J/kg-K 470
140
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Density, g/cm3 7.8
19

Common Calculations

Stiffness to Weight: Axial, points 13
3.0
Stiffness to Weight: Bending, points 24
8.3
Strength to Weight: Axial, points 16 to 20
2.1
Strength to Weight: Bending, points 17 to 19
3.2
Thermal Shock Resistance, points 15 to 18
7.1