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ASTM B631 Class B vs. Austenitic Nodular Cast Iron

ASTM B631 class B belongs to the otherwise unclassified metals classification, while austenitic nodular cast iron belongs to the iron alloys. There are 12 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is ASTM B631 class B and the bottom bar is austenitic nodular cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
180 to 190
Poisson's Ratio 0.31
0.29 to 0.3
Shear Modulus, GPa 78 to 79
70 to 72

Thermal Properties

Latent Heat of Fusion, J/g 150
280 to 350
Melting Completion (Liquidus), °C 2460 to 2480
1340 to 1400
Specific Heat Capacity, J/kg-K 170
470 to 490
Thermal Expansion, µm/m-K 12
13 to 14

Otherwise Unclassified Properties

Density, g/cm3 14
7.7 to 8.0
Embodied Carbon, kg CO2/kg material 49
3.5 to 4.9
Embodied Energy, MJ/kg 760
48 to 68

Common Calculations

Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 14
24 to 25

Comparable Variants