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Type 3 Magnetic Alloy vs. S40945 Stainless Steel

Type 3 magnetic alloy belongs to the nickel alloys classification, while S40945 stainless steel belongs to the iron alloys. There are 28 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 3 magnetic alloy and the bottom bar is S40945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 43
25
Fatigue Strength, MPa 170
160
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 70
75
Shear Strength, MPa 380
270
Tensile Strength: Ultimate (UTS), MPa 550
430
Tensile Strength: Yield (Proof), MPa 210
230

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Mechanical, °C 910
710
Melting Completion (Liquidus), °C 1370
1450
Melting Onset (Solidus), °C 1320
1410
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 55
8.0
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 8.7
2.2
Embodied Energy, MJ/kg 120
31
Embodied Water, L/kg 220
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
89
Resilience: Unit (Modulus of Resilience), kJ/m3 120
140
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 18
15
Strength to Weight: Bending, points 17
16
Thermal Shock Resistance, points 18
15

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 2.0 to 3.0
10.5 to 11.7
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 4.0 to 6.0
0
Iron (Fe), % 9.9 to 19
85.1 to 89.3
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 75 to 78
0 to 0.5
Niobium (Nb), % 0
0.18 to 0.4
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0
0.050 to 0.2