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Grey Cast Iron vs. AWS ERNiMo-3

Grey cast iron belongs to the iron alloys classification, while AWS ERNiMo-3 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grey cast iron and the bottom bar is AWS ERNiMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
220
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 69
83
Tensile Strength: Ultimate (UTS), MPa 160 to 450
770

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Melting Completion (Liquidus), °C 1380
1600
Melting Onset (Solidus), °C 1180
1540
Specific Heat Capacity, J/kg-K 490
400
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
70
Density, g/cm3 7.5
9.1
Embodied Carbon, kg CO2/kg material 1.5
15
Embodied Energy, MJ/kg 21
190
Embodied Water, L/kg 44
270

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 5.8 to 17
24
Strength to Weight: Bending, points 8.7 to 17
21
Thermal Shock Resistance, points 6.0 to 17
24

Alloy Composition


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Carbon (C), % 3.1 to 3.4
0 to 0.12
Chromium (Cr), % 0
4.0 to 6.0
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 92.1 to 93.9
4.0 to 7.0
Manganese (Mn), % 0.5 to 0.7
0 to 1.0
Molybdenum (Mo), % 0
23 to 26
Nickel (Ni), % 0
53.7 to 69
Phosphorus (P), % 0 to 0.9
0 to 0.040
Silicon (Si), % 2.5 to 2.8
0 to 1.0
Sulfur (S), % 0 to 0.15
0 to 0.030
Tungsten (W), % 0
0 to 1.0
Vanadium (V), % 0
0 to 0.6
Residuals, % 0
0 to 0.5