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Type 4 Magnetic Alloy vs. N08031 Stainless Steel

Type 4 magnetic alloy belongs to the nickel alloys classification, while N08031 stainless steel belongs to the iron alloys. They have 50% of their average alloy composition in common. There are 26 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 N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 2.0 to 40
45
Fatigue Strength, MPa 220 to 400
290
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 73
81
Shear Strength, MPa 420 to 630
510
Tensile Strength: Ultimate (UTS), MPa 620 to 1100
730
Tensile Strength: Yield (Proof), MPa 270 to 1040
310

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 440
460
Thermal Expansion, µm/m-K 11
18

Otherwise Unclassified Properties

Base Metal Price, % relative 60
39
Density, g/cm3 8.8
8.1
Embodied Carbon, kg CO2/kg material 10
7.1
Embodied Energy, MJ/kg 140
96
Embodied Water, L/kg 210
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 200
270
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 2840
230
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 19 to 35
25
Strength to Weight: Bending, points 18 to 27
22
Thermal Shock Resistance, points 21 to 37
14

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.015
Chromium (Cr), % 0 to 0.3
26 to 28
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
1.0 to 1.4
Iron (Fe), % 9.5 to 17.5
29 to 36.9
Manganese (Mn), % 0 to 0.8
0 to 2.0
Molybdenum (Mo), % 3.5 to 6.0
6.0 to 7.0
Nickel (Ni), % 79 to 82
30 to 32
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.010
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.3
Sulfur (S), % 0 to 0.020
0 to 0.010