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Type 4 Magnetic Alloy vs. ASTM A302 Alloy Steel

Type 4 magnetic alloy belongs to the nickel alloys classification, while ASTM A302 alloy steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is Type 4 magnetic alloy and the bottom bar is ASTM A302 alloy steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 2.0 to 40
20 to 23
Fatigue Strength, MPa 220 to 400
250 to 280
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 420 to 630
370 to 390
Tensile Strength: Ultimate (UTS), MPa 620 to 1100
590 to 620
Tensile Strength: Yield (Proof), MPa 270 to 1040
350 to 390

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 900
410
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.2 to 7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.2 to 8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 60
2.4 to 3.0
Density, g/cm3 8.8
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 10
1.5 to 1.6
Embodied Energy, MJ/kg 140
20 to 21
Embodied Water, L/kg 210
48 to 50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 200
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 2840
330 to 410
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 19 to 35
21 to 22
Strength to Weight: Bending, points 18 to 27
20 to 21
Thermal Shock Resistance, points 21 to 37
17 to 18