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Nickel 693 vs. Automotive Malleable Cast Iron

Nickel 693 belongs to the nickel alloys classification, while automotive malleable cast iron belongs to the iron alloys. There are 25 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 nickel 693 and the bottom bar is automotive malleable cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 34
1.0 to 10
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
70
Tensile Strength: Ultimate (UTS), MPa 660
350 to 720
Tensile Strength: Yield (Proof), MPa 310
220 to 590

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Melting Completion (Liquidus), °C 1350
1410
Melting Onset (Solidus), °C 1310
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 9.1
41
Thermal Expansion, µm/m-K 13
14

Otherwise Unclassified Properties

Base Metal Price, % relative 60
1.9
Density, g/cm3 8.1
7.6
Embodied Carbon, kg CO2/kg material 9.9
1.5
Embodied Energy, MJ/kg 140
20
Embodied Water, L/kg 320
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
6.8 to 30
Resilience: Unit (Modulus of Resilience), kJ/m3 250
130 to 950
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
13 to 26
Strength to Weight: Bending, points 21
14 to 24
Thermal Diffusivity, mm2/s 2.3
11
Thermal Shock Resistance, points 19
9.9 to 21

Alloy Composition

Aluminum (Al), % 2.5 to 4.0
0
Carbon (C), % 0 to 0.15
2.2 to 2.9
Chromium (Cr), % 27 to 31
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 2.5 to 6.0
93.6 to 96.7
Manganese (Mn), % 0 to 1.0
0.15 to 1.3
Nickel (Ni), % 53.3 to 67.5
0
Niobium (Nb), % 0.5 to 2.5
0
Phosphorus (P), % 0
0.020 to 0.15
Silicon (Si), % 0 to 0.5
0.9 to 1.9
Sulfur (S), % 0 to 0.010
0.020 to 0.2
Titanium (Ti), % 0 to 1.0
0