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AWS E320 vs. Austenitic Nodular Cast Iron

Both AWS E320 and austenitic nodular cast iron are iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS E320 and the bottom bar is austenitic nodular cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180 to 190
Elongation at Break, % 34
6.8 to 34
Poisson's Ratio 0.28
0.29 to 0.3
Shear Modulus, GPa 77
70 to 72
Tensile Strength: Ultimate (UTS), MPa 620
430 to 500

Thermal Properties

Latent Heat of Fusion, J/g 300
280 to 350
Melting Completion (Liquidus), °C 1410
1340 to 1400
Melting Onset (Solidus), °C 1360
1300 to 1360
Specific Heat Capacity, J/kg-K 460
470 to 490
Thermal Expansion, µm/m-K 14
13 to 14

Otherwise Unclassified Properties

Base Metal Price, % relative 38
16 to 25
Density, g/cm3 8.2
7.7 to 8.0
Embodied Carbon, kg CO2/kg material 6.5
3.5 to 4.9
Embodied Energy, MJ/kg 91
48 to 68
Embodied Water, L/kg 220
91 to 120

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24 to 25
Strength to Weight: Axial, points 21
15 to 18
Strength to Weight: Bending, points 20
16 to 18
Thermal Shock Resistance, points 16
12 to 15