Type 3 Magnetic Alloy vs. SAE-AISI D7 Steel

Type 3 magnetic alloy belongs to the nickel alloys classification, while SAE-AISI D7 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is Type 3 magnetic alloy and the bottom bar is SAE-AISI D7 steel.

Type 3 (N14076) Nickel-Iron Soft Magnetic Alloy SAE-AISI D7 (T30407) Chromium Cold-Work Steel

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.31
Poisson's Ratio		0.28

Shear Modulus, GPa		70
Shear Modulus, GPa		73

Tensile Strength: Ultimate (UTS), MPa		550
Tensile Strength: Ultimate (UTS), MPa		800 to 2120

Thermal Properties

Latent Heat of Fusion, J/g		290
Latent Heat of Fusion, J/g		270

Melting Completion (Liquidus), °C		1370
Melting Completion (Liquidus), °C		1440

Melting Onset (Solidus), °C		1320
Melting Onset (Solidus), °C		1400

Specific Heat Capacity, J/kg-K		450
Specific Heat Capacity, J/kg-K		480

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

Otherwise Unclassified Properties

Base Metal Price, % relative		55
Base Metal Price, % relative		10

Density, g/cm³		8.7
Density, g/cm³		7.6

Embodied Carbon, kg CO₂/kg material		8.7
Embodied Carbon, kg CO₂/kg material		11

Embodied Energy, MJ/kg		120
Embodied Energy, MJ/kg		180

Embodied Water, L/kg		220
Embodied Water, L/kg		130

Common Calculations

Stiffness to Weight: Axial, points		12
Stiffness to Weight: Axial, points		14

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

Strength to Weight: Axial, points		18
Strength to Weight: Axial, points		29 to 78

Strength to Weight: Bending, points		17
Strength to Weight: Bending, points		25 to 48

Thermal Shock Resistance, points		18
Thermal Shock Resistance, points		27 to 72

Alloy Composition

Carbon (C), %		0 to 0.050
Carbon (C), %		2.2 to 2.5

Chromium (Cr), %		2.0 to 3.0
Chromium (Cr), %		11.5 to 13.5

Cobalt (Co), %		0 to 0.5
Cobalt (Co), %		0

Copper (Cu), %		4.0 to 6.0
Copper (Cu), %		0 to 0.25

Iron (Fe), %		9.9 to 19
Iron (Fe), %		76.6 to 81.9

Manganese (Mn), %		0 to 1.5
Manganese (Mn), %		0 to 0.6

Molybdenum (Mo), %		0 to 0.5
Molybdenum (Mo), %		0.7 to 1.2

Nickel (Ni), %		75 to 78
Nickel (Ni), %		0 to 0.3

Phosphorus (P), %		0 to 0.010
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		0 to 0.5
Silicon (Si), %		0 to 0.6

Sulfur (S), %		0 to 0.020
Sulfur (S), %		0 to 0.030

Vanadium (V), %		0
Vanadium (V), %		3.8 to 4.4