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Type 1 Magnetic Alloy vs. AISI 439 Stainless Steel

Both Type 1 magnetic alloy and AISI 439 stainless steel are iron alloys. They have 55% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is Type 1 magnetic alloy and the bottom bar is AISI 439 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.0 to 38
23
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 500 to 830
490
Tensile Strength: Yield (Proof), MPa 220 to 790
250

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1420
1510
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
9.0
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 5.6
2.3
Embodied Energy, MJ/kg 77
34
Embodied Water, L/kg 130
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33 to 150
95
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 1690
160
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 17 to 28
18
Strength to Weight: Bending, points 17 to 24
18
Thermal Shock Resistance, points 16 to 26
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 0 to 0.3
17 to 19
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 50.7 to 56.5
77.1 to 82.8
Manganese (Mn), % 0 to 0.8
0 to 1.0
Molybdenum (Mo), % 0 to 0.3
0
Nickel (Ni), % 43.5 to 46.5
0 to 0.5
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 0.030
0 to 0.030
Titanium (Ti), % 0
0.2 to 1.1