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Grade 20 Cast Iron vs. Nickel 200

Grade 20 cast iron belongs to the iron alloys classification, while nickel 200 belongs to the nickel alloys. There are 29 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 grade 20 cast iron and the bottom bar is nickel 200.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
180
Elongation at Break, % 9.6
23 to 44
Fatigue Strength, MPa 69
120 to 350
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 69
70
Shear Strength, MPa 180
300 to 340
Tensile Strength: Ultimate (UTS), MPa 160
420 to 540
Tensile Strength: Yield (Proof), MPa 98
120 to 370

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1180
1440
Specific Heat Capacity, J/kg-K 490
450
Thermal Conductivity, W/m-K 46
69
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
18
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
18

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
65
Density, g/cm3 7.5
8.9
Embodied Carbon, kg CO2/kg material 1.5
11
Embodied Energy, MJ/kg 21
150
Embodied Water, L/kg 44
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
110 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 27
42 to 370
Stiffness to Weight: Axial, points 13
11
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 5.8
13 to 17
Strength to Weight: Bending, points 8.7
14 to 17
Thermal Diffusivity, mm2/s 13
17
Thermal Shock Resistance, points 6.0
13 to 16

Alloy Composition

Carbon (C), % 3.1 to 3.4
0 to 0.15
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 92.1 to 93.9
0 to 0.4
Manganese (Mn), % 0.5 to 0.7
0 to 0.35
Nickel (Ni), % 0
99 to 100
Phosphorus (P), % 0 to 0.9
0
Silicon (Si), % 2.5 to 2.8
0 to 0.35
Sulfur (S), % 0 to 0.15
0 to 0.010