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Austenitic Grey Cast Iron vs. AWS ENiCu-7

Austenitic grey cast iron belongs to the iron alloys classification, while AWS ENiCu-7 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (7, 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 ENiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
160
Poisson's Ratio 0.29 to 0.3
0.32
Shear Modulus, GPa 69 to 72
62
Tensile Strength: Ultimate (UTS), MPa 150 to 230
550

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
280
Melting Completion (Liquidus), °C 1340 to 1400
1270
Melting Onset (Solidus), °C 1290 to 1350
1230
Specific Heat Capacity, J/kg-K 470 to 490
430
Thermal Expansion, µm/m-K 13 to 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 14 to 24
50
Density, g/cm3 7.7 to 8.1
8.7
Embodied Carbon, kg CO2/kg material 3.1 to 4.7
8.0
Embodied Energy, MJ/kg 43 to 65
110
Embodied Water, L/kg 93 to 120
250

Common Calculations

Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 23 to 25
21
Strength to Weight: Axial, points 5.3 to 8.2
17
Strength to Weight: Bending, points 7.9 to 11
17
Thermal Shock Resistance, points 4.5 to 6.5
18