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AWS E2209 vs. Grey Cast Iron

Both AWS E2209 and grey cast iron are iron alloys. They have 64% of their average alloy composition in common. There are 24 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 AWS E2209 and the bottom bar is grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 23
9.6
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
69
Tensile Strength: Ultimate (UTS), MPa 770
160 to 450

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Melting Completion (Liquidus), °C 1440
1380
Melting Onset (Solidus), °C 1390
1180
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 16
46
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 20
1.9
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 4.0
1.5
Embodied Energy, MJ/kg 55
21
Embodied Water, L/kg 170
44

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
5.8 to 17
Strength to Weight: Bending, points 24
8.7 to 17
Thermal Diffusivity, mm2/s 4.3
13
Thermal Shock Resistance, points 20
6.0 to 17

Alloy Composition

Carbon (C), % 0 to 0.040
3.1 to 3.4
Chromium (Cr), % 21.5 to 23.5
0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 58.4 to 66.9
92.1 to 93.9
Manganese (Mn), % 0.5 to 2.0
0.5 to 0.7
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 8.5 to 10.5
0
Nitrogen (N), % 0.080 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.9
Silicon (Si), % 0 to 1.0
2.5 to 2.8
Sulfur (S), % 0 to 0.030
0 to 0.15