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Automotive Grey Cast Iron vs. ASTM F15 Fe-Ni-Co

Both automotive grey cast iron and ASTM F15 Fe-Ni-Co are iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is automotive grey cast iron and the bottom bar is ASTM F15 Fe-Ni-Co.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 69 to 70
73
Tensile Strength: Ultimate (UTS), MPa 140 to 290
520 to 880

Thermal Properties

Latent Heat of Fusion, J/g 260 to 280
270
Melting Completion (Liquidus), °C 1380 to 1390
1410
Melting Onset (Solidus), °C 1340 to 1350
1450
Specific Heat Capacity, J/kg-K 490
460
Thermal Conductivity, W/m-K 41 to 43
17
Thermal Expansion, µm/m-K 12 to 14
6.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4 to 7.6
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.1
4.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9 to 3.0
49
Density, g/cm3 7.5 to 7.6
8.3
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
5.2
Embodied Energy, MJ/kg 21 to 24
71
Embodied Water, L/kg 44 to 51
190

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 5.2 to 11
17 to 29
Strength to Weight: Bending, points 8.0 to 13
17 to 24
Thermal Diffusivity, mm2/s 11 to 12
4.5
Thermal Shock Resistance, points 4.2 to 8.6
32 to 55