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Type 3 Magnetic Alloy vs. ASTM Grade HT Steel

Type 3 magnetic alloy belongs to the nickel alloys classification, while ASTM grade HT steel belongs to the iron alloys. They have 53% 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 Type 3 magnetic alloy and the bottom bar is ASTM grade HT steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 43
4.6
Fatigue Strength, MPa 170
130
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 70
76
Tensile Strength: Ultimate (UTS), MPa 550
500
Tensile Strength: Yield (Proof), MPa 210
270

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Mechanical, °C 910
1010
Melting Completion (Liquidus), °C 1370
1390
Melting Onset (Solidus), °C 1320
1340
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 55
31
Density, g/cm3 8.7
8.0
Embodied Carbon, kg CO2/kg material 8.7
5.4
Embodied Energy, MJ/kg 120
76
Embodied Water, L/kg 220
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
19
Resilience: Unit (Modulus of Resilience), kJ/m3 120
180
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 18
18
Strength to Weight: Bending, points 17
18
Thermal Shock Resistance, points 18
12

Alloy Composition

Carbon (C), % 0 to 0.050
0.35 to 0.75
Chromium (Cr), % 2.0 to 3.0
15 to 19
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 4.0 to 6.0
0
Iron (Fe), % 9.9 to 19
38.2 to 51.7
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 75 to 78
33 to 37
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 2.5
Sulfur (S), % 0 to 0.020
0 to 0.040