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Grey Cast Iron vs. AWS ENiCrFe-2

Grey cast iron belongs to the iron alloys classification, while AWS ENiCrFe-2 belongs to the nickel alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is grey cast iron and the bottom bar is AWS ENiCrFe-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 9.6
28
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 69
74
Tensile Strength: Ultimate (UTS), MPa 160 to 450
790

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Melting Completion (Liquidus), °C 1380
1390
Melting Onset (Solidus), °C 1180
1350
Specific Heat Capacity, J/kg-K 490
450
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
65
Density, g/cm3 7.5
8.5
Embodied Carbon, kg CO2/kg material 1.5
11
Embodied Energy, MJ/kg 21
160
Embodied Water, L/kg 44
260

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 5.8 to 17
26
Strength to Weight: Bending, points 8.7 to 17
22
Thermal Shock Resistance, points 6.0 to 17
24

Alloy Composition


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Carbon (C), % 3.1 to 3.4
0 to 0.1
Chromium (Cr), % 0
13 to 17
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 92.1 to 93.9
0 to 12
Manganese (Mn), % 0.5 to 0.7
1.0 to 3.5
Molybdenum (Mo), % 0
0.5 to 2.5
Nickel (Ni), % 0
62 to 85
Niobium (Nb), % 0
0.5 to 4.0
Phosphorus (P), % 0 to 0.9
0 to 0.030
Silicon (Si), % 2.5 to 2.8
0 to 0.75
Sulfur (S), % 0 to 0.15
0 to 0.020
Residuals, % 0
0 to 0.5