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Grey Cast Iron vs. Type 1 Magnetic Alloy

Both grey cast iron and Type 1 magnetic alloy are iron alloys. They have 54% of their average alloy composition in common. There are 25 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 grey cast iron and the bottom bar is Type 1 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 9.6
4.0 to 38
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 69
72
Tensile Strength: Ultimate (UTS), MPa 160 to 450
500 to 830
Tensile Strength: Yield (Proof), MPa 98 to 290
220 to 790

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1380
1420
Melting Onset (Solidus), °C 1180
1370
Specific Heat Capacity, J/kg-K 490
460
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
31
Density, g/cm3 7.5
8.3
Embodied Carbon, kg CO2/kg material 1.5
5.6
Embodied Energy, MJ/kg 21
77
Embodied Water, L/kg 44
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 37
33 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 27 to 240
130 to 1690
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 5.8 to 17
17 to 28
Strength to Weight: Bending, points 8.7 to 17
17 to 24
Thermal Shock Resistance, points 6.0 to 17
16 to 26

Alloy Composition

Carbon (C), % 3.1 to 3.4
0 to 0.050
Chromium (Cr), % 0
0 to 0.3
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 92.1 to 93.9
50.7 to 56.5
Manganese (Mn), % 0.5 to 0.7
0 to 0.8
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 0
43.5 to 46.5
Phosphorus (P), % 0 to 0.9
0 to 0.010
Silicon (Si), % 2.5 to 2.8
0 to 0.5
Sulfur (S), % 0 to 0.15
0 to 0.030