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.

Nickel Alloy 690 (N06690)50Cr-50Ni (R20500) Casting Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		210

Elongation at Break, %		3.4 to 34
Elongation at Break, %		5.7

Poisson's Ratio		0.28
Poisson's Ratio		0.26

Shear Modulus, GPa		79
Shear Modulus, GPa		84

Tensile Strength: Ultimate (UTS), MPa		640 to 990
Tensile Strength: Ultimate (UTS), MPa		620

Tensile Strength: Yield (Proof), MPa		250 to 760
Tensile Strength: Yield (Proof), MPa		390

Thermal Properties

Latent Heat of Fusion, J/g		320
Latent Heat of Fusion, J/g		350

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		490

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		15

Otherwise Unclassified Properties

Base Metal Price, % relative		50
Base Metal Price, % relative		50

Density, g/cm³		8.3
Density, g/cm³		8.0

Embodied Carbon, kg CO₂/kg material		8.2
Embodied Carbon, kg CO₂/kg material		7.9

Embodied Energy, MJ/kg		120
Embodied Energy, MJ/kg		110

Embodied Water, L/kg		290
Embodied Water, L/kg		350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		31 to 170
Resilience: Ultimate (Unit Rupture Work), MJ/m³		31

Resilience: Unit (Modulus of Resilience), kJ/m³		160 to 1440
Resilience: Unit (Modulus of Resilience), kJ/m³		350

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		15

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		21 to 33
Strength to Weight: Axial, points		21

Strength to Weight: Bending, points		20 to 27
Strength to Weight: Bending, points		20

Thermal Shock Resistance, points		16 to 25
Thermal Shock Resistance, points		14

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.25

Carbon (C), %		0 to 0.050
Carbon (C), %		0 to 0.1

Chromium (Cr), %		27 to 31
Chromium (Cr), %		48 to 52

Copper (Cu), %		0 to 0.5
Copper (Cu), %		0

Iron (Fe), %		7.0 to 11
Iron (Fe), %		0 to 1.0

Manganese (Mn), %		0 to 0.5
Manganese (Mn), %		0 to 0.3

Nickel (Ni), %		58 to 66
Nickel (Ni), %		44.5 to 52

Nitrogen (N), %		0
Nitrogen (N), %		0 to 0.3

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.020

Silicon (Si), %		0 to 0.5
Silicon (Si), %		0 to 1.0

Sulfur (S), %		0 to 0.015
Sulfur (S), %		0 to 0.020

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.5