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ACI-ASTM CK35MN Steel vs. Type 4 Magnetic Alloy

ACI-ASTM CK35MN steel belongs to the iron alloys classification, while Type 4 magnetic alloy belongs to the nickel alloys. They have 40% of their average alloy composition in common. There are 27 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 ACI-ASTM CK35MN steel and the bottom bar is Type 4 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 40
2.0 to 40
Fatigue Strength, MPa 270
220 to 400
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 650
620 to 1100
Tensile Strength: Yield (Proof), MPa 310
270 to 1040

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
440
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 31
60
Density, g/cm3 8.0
8.8
Embodied Carbon, kg CO2/kg material 5.9
10
Embodied Energy, MJ/kg 81
140
Embodied Water, L/kg 210
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
22 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 240
190 to 2840
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 22
19 to 35
Strength to Weight: Bending, points 21
18 to 27
Thermal Shock Resistance, points 14
21 to 37

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.050
Chromium (Cr), % 22 to 24
0 to 0.3
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0 to 0.4
0 to 0.3
Iron (Fe), % 43.4 to 51.8
9.5 to 17.5
Manganese (Mn), % 0 to 2.0
0 to 0.8
Molybdenum (Mo), % 6.0 to 6.8
3.5 to 6.0
Nickel (Ni), % 20 to 22
79 to 82
Nitrogen (N), % 0.21 to 0.32
0
Phosphorus (P), % 0 to 0.035
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.020