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Automotive Malleable Cast Iron vs. Grade 1 Titanium

Automotive malleable cast iron belongs to the iron alloys classification, while grade 1 titanium belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is automotive malleable cast iron and the bottom bar is grade 1 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 290
120
Elastic (Young's, Tensile) Modulus, GPa 180
110
Elongation at Break, % 1.0 to 10
28
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 70
39
Tensile Strength: Ultimate (UTS), MPa 350 to 720
310
Tensile Strength: Yield (Proof), MPa 220 to 590
220

Thermal Properties

Latent Heat of Fusion, J/g 260
420
Melting Completion (Liquidus), °C 1410
1660
Melting Onset (Solidus), °C 1370
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 41
20
Thermal Expansion, µm/m-K 14
8.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
37
Density, g/cm3 7.6
4.5
Embodied Carbon, kg CO2/kg material 1.5
31
Embodied Energy, MJ/kg 20
510
Embodied Water, L/kg 45
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.8 to 30
79
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 950
230
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 13 to 26
19
Strength to Weight: Bending, points 14 to 24
23
Thermal Diffusivity, mm2/s 11
8.2
Thermal Shock Resistance, points 9.9 to 21
24

Alloy Composition

Carbon (C), % 2.2 to 2.9
0 to 0.080
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 93.6 to 96.7
0 to 0.2
Manganese (Mn), % 0.15 to 1.3
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Phosphorus (P), % 0.020 to 0.15
0
Silicon (Si), % 0.9 to 1.9
0
Sulfur (S), % 0.020 to 0.2
0
Titanium (Ti), % 0
99.095 to 100
Residuals, % 0
0 to 0.4