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Nickel 690 vs. 50Cr-50Ni Alloy

Nickel 690 belongs to the nickel alloys classification, while 50Cr-50Ni alloy belongs to the otherwise unclassified metals. They have 78% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is nickel 690 and the bottom bar is 50Cr-50Ni alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 3.4 to 34
5.7
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 79
84
Tensile Strength: Ultimate (UTS), MPa 640 to 990
620
Tensile Strength: Yield (Proof), MPa 250 to 760
390

Thermal Properties

Latent Heat of Fusion, J/g 320
350
Specific Heat Capacity, J/kg-K 470
490
Thermal Expansion, µm/m-K 14
15

Otherwise Unclassified Properties

Base Metal Price, % relative 50
50
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 8.2
7.9
Embodied Energy, MJ/kg 120
110
Embodied Water, L/kg 290
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
31
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
350
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 33
21
Strength to Weight: Bending, points 20 to 27
20
Thermal Shock Resistance, points 16 to 25
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.25
Carbon (C), % 0 to 0.050
0 to 0.1
Chromium (Cr), % 27 to 31
48 to 52
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 7.0 to 11
0 to 1.0
Manganese (Mn), % 0 to 0.5
0 to 0.3
Nickel (Ni), % 58 to 66
44.5 to 52
Nitrogen (N), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 0
0 to 0.5