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AWS BAg-21 vs. Austenitic Grey Cast Iron

AWS BAg-21 belongs to the otherwise unclassified metals classification, while austenitic grey cast iron belongs to the iron alloys. 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 AWS BAg-21 and the bottom bar is austenitic grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 85
180
Poisson's Ratio 0.36
0.29 to 0.3
Shear Modulus, GPa 31
69 to 72
Tensile Strength: Ultimate (UTS), MPa 150
150 to 230

Thermal Properties

Latent Heat of Fusion, J/g 140
280 to 350
Melting Completion (Liquidus), °C 800
1340 to 1400
Melting Onset (Solidus), °C 690
1290 to 1350
Specific Heat Capacity, J/kg-K 280
470 to 490
Thermal Expansion, µm/m-K 19
13 to 14

Otherwise Unclassified Properties

Density, g/cm3 9.8
7.7 to 8.1
Embodied Energy, MJ/kg 970
43 to 65

Common Calculations

Stiffness to Weight: Axial, points 4.8
13
Stiffness to Weight: Bending, points 15
23 to 25
Strength to Weight: Axial, points 4.2
5.3 to 8.2
Strength to Weight: Bending, points 6.4
7.9 to 11
Thermal Shock Resistance, points 6.6
4.5 to 6.5