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Austenitic Nodular Cast Iron vs. AWS ENi-1

Austenitic nodular cast iron belongs to the iron alloys classification, while AWS ENi-1 belongs to the nickel alloys. There are 20 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is austenitic nodular cast iron and the bottom bar is AWS ENi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180 to 190
180
Elongation at Break, % 6.8 to 34
22
Poisson's Ratio 0.29 to 0.3
0.31
Shear Modulus, GPa 70 to 72
69
Tensile Strength: Ultimate (UTS), MPa 430 to 500
470

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
310
Melting Completion (Liquidus), °C 1340 to 1400
1360
Melting Onset (Solidus), °C 1300 to 1360
1310
Specific Heat Capacity, J/kg-K 470 to 490
450
Thermal Expansion, µm/m-K 13 to 14
11

Otherwise Unclassified Properties

Base Metal Price, % relative 16 to 25
60
Density, g/cm3 7.7 to 8.0
8.7
Embodied Carbon, kg CO2/kg material 3.5 to 4.9
11
Embodied Energy, MJ/kg 48 to 68
150
Embodied Water, L/kg 91 to 120
230

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24 to 25
22
Strength to Weight: Axial, points 15 to 18
15
Strength to Weight: Bending, points 16 to 18
15
Thermal Shock Resistance, points 12 to 15
17