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Austenitic Grey Cast Iron vs. AWS BAg-9

Austenitic grey cast iron belongs to the iron alloys classification, while AWS BAg-9 belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is austenitic grey cast iron and the bottom bar is AWS BAg-9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
82
Poisson's Ratio 0.29 to 0.3
0.35
Shear Modulus, GPa 69 to 72
31
Tensile Strength: Ultimate (UTS), MPa 150 to 230
140

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
130
Melting Completion (Liquidus), °C 1340 to 1400
720
Melting Onset (Solidus), °C 1290 to 1350
670
Specific Heat Capacity, J/kg-K 470 to 490
290
Thermal Expansion, µm/m-K 13 to 14
20

Otherwise Unclassified Properties

Density, g/cm3 7.7 to 8.1
9.6
Embodied Energy, MJ/kg 43 to 65
980

Common Calculations

Stiffness to Weight: Axial, points 13
4.8
Stiffness to Weight: Bending, points 23 to 25
15
Strength to Weight: Axial, points 5.3 to 8.2
4.1
Strength to Weight: Bending, points 7.9 to 11
6.3
Thermal Shock Resistance, points 4.5 to 6.5
6.0