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Automotive Malleable Cast Iron vs. AWS E219

Both automotive malleable cast iron and AWS E219 are iron alloys. They have 64% of their average alloy composition in common. There are 22 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 automotive malleable cast iron and the bottom bar is AWS E219.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 1.0 to 10
17
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 70
78
Tensile Strength: Ultimate (UTS), MPa 350 to 720
690

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1410
1400
Melting Onset (Solidus), °C 1370
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 41
14
Thermal Expansion, µm/m-K 14
15

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
15
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 1.5
3.1
Embodied Energy, MJ/kg 20
44
Embodied Water, L/kg 45
160

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 13 to 26
25
Strength to Weight: Bending, points 14 to 24
23
Thermal Diffusivity, mm2/s 11
3.8
Thermal Shock Resistance, points 9.9 to 21
17

Alloy Composition

Carbon (C), % 2.2 to 2.9
0 to 0.060
Chromium (Cr), % 0
19 to 21.5
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 93.6 to 96.7
58.6 to 67.4
Manganese (Mn), % 0.15 to 1.3
8.0 to 10
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0
5.5 to 7.0
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0.020 to 0.15
0 to 0.040
Silicon (Si), % 0.9 to 1.9
0 to 1.0
Sulfur (S), % 0.020 to 0.2
0 to 0.030