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Type 4 Magnetic Alloy vs. ACI-ASTM CF10SMnN Steel

Type 4 magnetic alloy belongs to the nickel alloys classification, while ACI-ASTM CF10SMnN steel belongs to the iron alloys. They have a modest 23% of their average alloy composition in common, which, by itself, doesn't mean much. 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 ACI-ASTM CF10SMnN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 2.0 to 40
34
Fatigue Strength, MPa 220 to 400
260
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 620 to 1100
660
Tensile Strength: Yield (Proof), MPa 270 to 1040
330

Thermal Properties

Latent Heat of Fusion, J/g 290
340
Maximum Temperature: Mechanical, °C 900
900
Melting Completion (Liquidus), °C 1420
1360
Melting Onset (Solidus), °C 1370
1310
Specific Heat Capacity, J/kg-K 440
500
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 60
15
Density, g/cm3 8.8
7.5
Embodied Carbon, kg CO2/kg material 10
3.1
Embodied Energy, MJ/kg 140
45
Embodied Water, L/kg 210
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 200
180
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 2840
280
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
26
Strength to Weight: Axial, points 19 to 35
24
Strength to Weight: Bending, points 18 to 27
22
Thermal Shock Resistance, points 21 to 37
15

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.1
Chromium (Cr), % 0 to 0.3
16 to 18
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 9.5 to 17.5
59.1 to 65.4
Manganese (Mn), % 0 to 0.8
7.0 to 9.0
Molybdenum (Mo), % 3.5 to 6.0
0
Nickel (Ni), % 79 to 82
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.010
0 to 0.060
Silicon (Si), % 0 to 0.5
3.5 to 4.5
Sulfur (S), % 0 to 0.020
0 to 0.030