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Type 3 Magnetic Alloy vs. AISI 317LMN Stainless Steel

Type 3 magnetic alloy belongs to the nickel alloys classification, while AISI 317LMN stainless steel belongs to the iron alloys. They have a modest 34% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is Type 3 magnetic alloy and the bottom bar is AISI 317LMN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 43
45
Fatigue Strength, MPa 170
250
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 70
79
Shear Strength, MPa 380
430
Tensile Strength: Ultimate (UTS), MPa 550
620
Tensile Strength: Yield (Proof), MPa 210
270

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Mechanical, °C 910
1020
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1320
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 55
24
Density, g/cm3 8.7
8.0
Embodied Carbon, kg CO2/kg material 8.7
4.8
Embodied Energy, MJ/kg 120
65
Embodied Water, L/kg 220
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
230
Resilience: Unit (Modulus of Resilience), kJ/m3 120
180
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 17
20
Thermal Shock Resistance, points 18
14

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 2.0 to 3.0
17 to 20
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 4.0 to 6.0
0
Iron (Fe), % 9.9 to 19
54.4 to 65.4
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
4.0 to 5.0
Nickel (Ni), % 75 to 78
13.5 to 17.5
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.010
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030