Automotive Malleable Cast Iron vs. Nickel 693

Automotive malleable cast iron belongs to the iron alloys classification, while nickel 693 belongs to the nickel alloys. There are 25 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 malleable cast iron and the bottom bar is nickel 693.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		180
Elastic (Young's, Tensile) Modulus, GPa		200

Elongation at Break, %		1.0 to 10
Elongation at Break, %		34

Poisson's Ratio		0.29
Poisson's Ratio		0.28

Shear Modulus, GPa		70
Shear Modulus, GPa		76

Tensile Strength: Ultimate (UTS), MPa		350 to 720
Tensile Strength: Ultimate (UTS), MPa		660

Tensile Strength: Yield (Proof), MPa		220 to 590
Tensile Strength: Yield (Proof), MPa		310

Thermal Properties

Latent Heat of Fusion, J/g		260
Latent Heat of Fusion, J/g		330

Melting Completion (Liquidus), °C		1410
Melting Completion (Liquidus), °C		1350

Melting Onset (Solidus), °C		1370
Melting Onset (Solidus), °C		1310

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		480

Thermal Conductivity, W/m-K		41
Thermal Conductivity, W/m-K		9.1

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		13

Otherwise Unclassified Properties

Base Metal Price, % relative		1.9
Base Metal Price, % relative		60

Density, g/cm³		7.6
Density, g/cm³		8.1

Embodied Carbon, kg CO₂/kg material		1.5
Embodied Carbon, kg CO₂/kg material		9.9

Embodied Energy, MJ/kg		20
Embodied Energy, MJ/kg		140

Embodied Water, L/kg		45
Embodied Water, L/kg		320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		6.8 to 30
Resilience: Ultimate (Unit Rupture Work), MJ/m³		190

Resilience: Unit (Modulus of Resilience), kJ/m³		130 to 950
Resilience: Unit (Modulus of Resilience), kJ/m³		250

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		13 to 26
Strength to Weight: Axial, points		23

Strength to Weight: Bending, points		14 to 24
Strength to Weight: Bending, points		21

Thermal Diffusivity, mm²/s		11
Thermal Diffusivity, mm²/s		2.3

Thermal Shock Resistance, points		9.9 to 21
Thermal Shock Resistance, points		19

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		2.5 to 4.0

Carbon (C), %		2.2 to 2.9
Carbon (C), %		0 to 0.15

Chromium (Cr), %		0
Chromium (Cr), %		27 to 31

Copper (Cu), %		0
Copper (Cu), %		0 to 0.5

Iron (Fe), %		93.6 to 96.7
Iron (Fe), %		2.5 to 6.0

Manganese (Mn), %		0.15 to 1.3
Manganese (Mn), %		0 to 1.0

Nickel (Ni), %		0
Nickel (Ni), %		53.3 to 67.5

Niobium (Nb), %		0
Niobium (Nb), %		0.5 to 2.5

Phosphorus (P), %		0.020 to 0.15
Phosphorus (P), %		0

Silicon (Si), %		0.9 to 1.9
Silicon (Si), %		0 to 0.5

Sulfur (S), %		0.020 to 0.2
Sulfur (S), %		0 to 0.010

Titanium (Ti), %		0
Titanium (Ti), %		0 to 1.0