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ASTM A148 Cast Steel vs. Type 3 Magnetic Alloy

ASTM A148 cast steel belongs to the iron alloys classification, while Type 3 magnetic alloy belongs to the nickel alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM A148 cast steel and the bottom bar is Type 3 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Elongation at Break, % 5.7 to 25
43
Fatigue Strength, MPa 280 to 670
170
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
70
Tensile Strength: Ultimate (UTS), MPa 630 to 1300
550
Tensile Strength: Yield (Proof), MPa 390 to 1160
210

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400 to 430
910
Melting Completion (Liquidus), °C 1460
1370
Melting Onset (Solidus), °C 1420
1320
Specific Heat Capacity, J/kg-K 470
450
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3 to 7.5
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3 to 8.6
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3 to 3.3
55
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
8.7
Embodied Energy, MJ/kg 20 to 22
120
Embodied Water, L/kg 48 to 53
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
190
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 3570
120
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 22 to 46
18
Strength to Weight: Bending, points 21 to 34
17
Thermal Shock Resistance, points 18 to 38
18