50Cr-50Ni Alloy vs. K93050 Alloy

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while K93050 alloy belongs to the iron alloys. They have a modest 37% of their average alloy composition in common, which, by itself, doesn't mean much. There are 17 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 50Cr-50Ni alloy and the bottom bar is K93050 alloy.

50Cr-50Ni (R20500) Casting Alloy UNS K93050 Low Expansion Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		210
Elastic (Young's, Tensile) Modulus, GPa		190

Poisson's Ratio		0.26
Poisson's Ratio		0.3

Shear Modulus, GPa		84
Shear Modulus, GPa		72

Tensile Strength: Ultimate (UTS), MPa		620
Tensile Strength: Ultimate (UTS), MPa		500 to 680

Thermal Properties

Latent Heat of Fusion, J/g		350
Latent Heat of Fusion, J/g		270

Specific Heat Capacity, J/kg-K		490
Specific Heat Capacity, J/kg-K		460

Thermal Expansion, µm/m-K		15
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		50
Base Metal Price, % relative		26

Density, g/cm³		8.0
Density, g/cm³		8.2

Embodied Carbon, kg CO₂/kg material		7.9
Embodied Carbon, kg CO₂/kg material		4.7

Embodied Energy, MJ/kg		110
Embodied Energy, MJ/kg		65

Embodied Water, L/kg		350
Embodied Water, L/kg		120

Common Calculations

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

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		21
Strength to Weight: Axial, points		17 to 23

Strength to Weight: Bending, points		20
Strength to Weight: Bending, points		17 to 21

Thermal Shock Resistance, points		14
Thermal Shock Resistance, points		16 to 21

Alloy Composition

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

Carbon (C), %		0 to 0.1
Carbon (C), %		0 to 0.15

Chromium (Cr), %		48 to 52
Chromium (Cr), %		0 to 0.25

Cobalt (Co), %		0
Cobalt (Co), %		0 to 0.5

Iron (Fe), %		0 to 1.0
Iron (Fe), %		61.4 to 63.9

Manganese (Mn), %		0 to 0.3
Manganese (Mn), %		0 to 1.0

Nickel (Ni), %		44.5 to 52
Nickel (Ni), %		36

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

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

Selenium (Se), %		0
Selenium (Se), %		0.15 to 0.3

Silicon (Si), %		0 to 1.0
Silicon (Si), %		0 to 0.35

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

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