Type 4 Magnetic Alloy vs. Automotive Grey Cast Iron

Type 4 magnetic alloy belongs to the nickel alloys classification, while automotive grey cast iron belongs to the iron alloys. There are 25 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 Type 4 magnetic alloy and the bottom bar is automotive grey cast iron.

Type 4 (2.4545, N14080) Nickel-Iron Soft Magnetic Alloy Automotive Grey Cast Iron

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		180

Elongation at Break, %		2.0 to 40
Elongation at Break, %		9.6 to 14

Poisson's Ratio		0.31
Poisson's Ratio		0.29

Shear Modulus, GPa		73
Shear Modulus, GPa		69 to 70

Tensile Strength: Ultimate (UTS), MPa		620 to 1100
Tensile Strength: Ultimate (UTS), MPa		140 to 290

Tensile Strength: Yield (Proof), MPa		270 to 1040
Tensile Strength: Yield (Proof), MPa		94 to 200

Thermal Properties

Latent Heat of Fusion, J/g		290
Latent Heat of Fusion, J/g		260 to 280

Melting Completion (Liquidus), °C		1420
Melting Completion (Liquidus), °C		1380 to 1390

Melting Onset (Solidus), °C		1370
Melting Onset (Solidus), °C		1340 to 1350

Specific Heat Capacity, J/kg-K		440
Specific Heat Capacity, J/kg-K		490

Thermal Expansion, µm/m-K		11
Thermal Expansion, µm/m-K		12 to 14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		2.9
Electrical Conductivity: Equal Volume, % IACS		7.4 to 7.6

Electrical Conductivity: Equal Weight (Specific), % IACS		3.0
Electrical Conductivity: Equal Weight (Specific), % IACS		8.8 to 9.1

Otherwise Unclassified Properties

Base Metal Price, % relative		60
Base Metal Price, % relative		1.9 to 3.0

Density, g/cm³		8.8
Density, g/cm³		7.5 to 7.6

Embodied Carbon, kg CO₂/kg material		10
Embodied Carbon, kg CO₂/kg material		1.5 to 1.7

Embodied Energy, MJ/kg		140
Embodied Energy, MJ/kg		21 to 24

Embodied Water, L/kg		210
Embodied Water, L/kg		44 to 51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		22 to 200
Resilience: Ultimate (Unit Rupture Work), MJ/m³		18 to 25

Resilience: Unit (Modulus of Resilience), kJ/m³		190 to 2840
Resilience: Unit (Modulus of Resilience), kJ/m³		25 to 110

Stiffness to Weight: Axial, points		12
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		22
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		19 to 35
Strength to Weight: Axial, points		5.2 to 11

Strength to Weight: Bending, points		18 to 27
Strength to Weight: Bending, points		8.0 to 13

Thermal Shock Resistance, points		21 to 37
Thermal Shock Resistance, points		4.2 to 8.6