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50Cr-50Ni-Cb Alloy vs. Nickel 685

50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals classification, while nickel 685 belongs to the nickel alloys. They have 68% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is 50Cr-50Ni-Cb alloy and the bottom bar is nickel 685.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 5.6
17
Poisson's Ratio 0.26
0.29
Shear Modulus, GPa 84
77
Tensile Strength: Ultimate (UTS), MPa 620
1250
Tensile Strength: Yield (Proof), MPa 390
850

Thermal Properties

Latent Heat of Fusion, J/g 350
320
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 60
75
Density, g/cm3 8.0
8.4
Embodied Carbon, kg CO2/kg material 9.2
10
Embodied Energy, MJ/kg 130
140
Embodied Water, L/kg 350
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
190
Resilience: Unit (Modulus of Resilience), kJ/m3 370
1820
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 21
42
Strength to Weight: Bending, points 20
31
Thermal Shock Resistance, points 14
37

Alloy Composition

Aluminum (Al), % 0 to 0.25
1.2 to 1.6
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.1
0.030 to 0.1
Chromium (Cr), % 47 to 52
18 to 21
Cobalt (Co), % 0
12 to 15
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 0 to 1.0
0 to 2.0
Manganese (Mn), % 0 to 0.3
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 5.0
Nickel (Ni), % 43.3 to 51.6
49.6 to 62.5
Niobium (Nb), % 1.4 to 1.7
0
Nitrogen (N), % 0 to 0.16
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.5
2.8 to 3.3
Zinc (Zn), % 0
0.020 to 0.12