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ASTM A217 Cast Steel vs. AWS BAu-6

ASTM A217 cast steel belongs to the iron alloys classification, while AWS BAu-6 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. 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 A217 cast steel and the bottom bar is AWS BAu-6.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.28 to 0.29
0.39
Shear Modulus, GPa 73 to 75
43
Tensile Strength: Ultimate (UTS), MPa 540 to 710
190

Thermal Properties

Latent Heat of Fusion, J/g 250 to 270
120
Melting Completion (Liquidus), °C 1450 to 1460
1050
Melting Onset (Solidus), °C 1410 to 1420
1010
Specific Heat Capacity, J/kg-K 470
210
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Density, g/cm3 7.8
16

Common Calculations

Stiffness to Weight: Axial, points 13 to 14
4.0
Stiffness to Weight: Bending, points 24 to 25
10
Strength to Weight: Axial, points 19 to 25
3.2
Strength to Weight: Bending, points 19 to 23
4.5
Thermal Shock Resistance, points 16 to 20
8.5