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Nickel 693 vs. Austempered Cast Iron

Nickel 693 belongs to the nickel alloys classification, while austempered cast iron belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is nickel 693 and the bottom bar is austempered cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 34
1.1 to 13
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
62 to 69
Tensile Strength: Ultimate (UTS), MPa 660
860 to 1800
Tensile Strength: Yield (Proof), MPa 310
560 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Melting Completion (Liquidus), °C 1350
1380
Melting Onset (Solidus), °C 1310
1340
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 9.1
42
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 60
2.9
Density, g/cm3 8.1
7.5
Embodied Carbon, kg CO2/kg material 9.9
1.8
Embodied Energy, MJ/kg 140
25
Embodied Water, L/kg 320
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
19 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 250
880 to 3970
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
32 to 66
Strength to Weight: Bending, points 21
27 to 44
Thermal Diffusivity, mm2/s 2.3
11
Thermal Shock Resistance, points 19
25 to 53

Alloy Composition

Aluminum (Al), % 2.5 to 4.0
0 to 0.050
Arsenic (As), % 0
0 to 0.020
Carbon (C), % 0 to 0.15
3.4 to 3.8
Chromium (Cr), % 27 to 31
0 to 0.1
Copper (Cu), % 0 to 0.5
0 to 0.8
Iron (Fe), % 2.5 to 6.0
89.6 to 94
Magnesium (Mg), % 0
0 to 0.040
Manganese (Mn), % 0 to 1.0
0.3 to 0.4
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 53.3 to 67.5
0 to 2.0
Niobium (Nb), % 0.5 to 2.5
0
Phosphorus (P), % 0
0 to 0.040
Selenium (Se), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
2.3 to 2.7
Sulfur (S), % 0 to 0.010
0 to 0.020
Tin (Sn), % 0
0 to 0.020
Titanium (Ti), % 0 to 1.0
0
Vanadium (V), % 0
0 to 0.1