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Nickel 693 vs. ACI-ASTM CA40 Steel

Nickel 693 belongs to the nickel alloys classification, while ACI-ASTM CA40 steel belongs to the iron alloys. There are 27 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 ACI-ASTM CA40 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
10
Fatigue Strength, MPa 230
460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 660
910
Tensile Strength: Yield (Proof), MPa 310
860

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 1010
750
Melting Completion (Liquidus), °C 1350
1440
Melting Onset (Solidus), °C 1310
1500
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 9.1
25
Thermal Expansion, µm/m-K 13
10

Otherwise Unclassified Properties

Base Metal Price, % relative 60
7.5
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 9.9
2.0
Embodied Energy, MJ/kg 140
28
Embodied Water, L/kg 320
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
89
Resilience: Unit (Modulus of Resilience), kJ/m3 250
1910
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
33
Strength to Weight: Bending, points 21
27
Thermal Diffusivity, mm2/s 2.3
6.7
Thermal Shock Resistance, points 19
33

Alloy Composition

Aluminum (Al), % 2.5 to 4.0
0
Carbon (C), % 0 to 0.15
0.2 to 0.4
Chromium (Cr), % 27 to 31
11.5 to 14
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 2.5 to 6.0
81.5 to 88.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 53.3 to 67.5
0 to 1.0
Niobium (Nb), % 0.5 to 2.5
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.040
Titanium (Ti), % 0 to 1.0
0