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ACI-ASTM CA40F Steel vs. Type 3 Magnetic Alloy

ACI-ASTM CA40F 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 (7, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA40F 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, % 13
43
Fatigue Strength, MPa 320
170
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
70
Tensile Strength: Ultimate (UTS), MPa 770
550
Tensile Strength: Yield (Proof), MPa 550
210

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Mechanical, °C 750
910
Melting Completion (Liquidus), °C 1430
1370
Melting Onset (Solidus), °C 1390
1320
Specific Heat Capacity, J/kg-K 480
450
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
55
Density, g/cm3 7.7
8.7
Embodied Carbon, kg CO2/kg material 2.0
8.7
Embodied Energy, MJ/kg 28
120
Embodied Water, L/kg 100
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94
190
Resilience: Unit (Modulus of Resilience), kJ/m3 790
120
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 28
18
Strength to Weight: Bending, points 24
17
Thermal Shock Resistance, points 28
18

Alloy Composition

Carbon (C), % 0.2 to 0.4
0 to 0.050
Chromium (Cr), % 11.5 to 14
2.0 to 3.0
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0
4.0 to 6.0
Iron (Fe), % 81.6 to 88.3
9.9 to 19
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 0 to 1.0
75 to 78
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.5
0 to 0.5
Sulfur (S), % 0.2 to 0.4
0 to 0.020