50Cr-50Ni-Cb Alloy vs. EN 1.7709 Steel

50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals classification, while EN 1.7709 steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is 50Cr-50Ni-Cb alloy and the bottom bar is EN 1.7709 steel.

50Cr-50Ni-Cb (R20501) Casting Alloy EN 1.7709 (21CrMoV5-7) Steel

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		0.29

Shear Modulus, GPa		84
Shear Modulus, GPa		73

Tensile Strength: Ultimate (UTS), MPa		620
Tensile Strength: Ultimate (UTS), MPa		650 to 780

Thermal Properties

Latent Heat of Fusion, J/g		350
Latent Heat of Fusion, J/g		250

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		470

Thermal Expansion, µm/m-K		15
Thermal Expansion, µm/m-K		11

Otherwise Unclassified Properties

Base Metal Price, % relative		60
Base Metal Price, % relative		3.4

Density, g/cm³		8.0
Density, g/cm³		7.8

Embodied Carbon, kg CO₂/kg material		9.2
Embodied Carbon, kg CO₂/kg material		2.3

Embodied Energy, MJ/kg		130
Embodied Energy, MJ/kg		32

Embodied Water, L/kg		350
Embodied Water, L/kg		56

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		24

Strength to Weight: Axial, points		21
Strength to Weight: Axial, points		23 to 27

Strength to Weight: Bending, points		20
Strength to Weight: Bending, points		21 to 24

Thermal Shock Resistance, points		14
Thermal Shock Resistance, points		22 to 26

Alloy Composition

Aluminum (Al), %		0 to 0.25
Aluminum (Al), %		0 to 0.030

Carbon (C), %		0 to 0.1
Carbon (C), %		0.17 to 0.25

Chromium (Cr), %		47 to 52
Chromium (Cr), %		1.2 to 1.5

Iron (Fe), %		0 to 1.0
Iron (Fe), %		95.2 to 97.5

Manganese (Mn), %		0 to 0.3
Manganese (Mn), %		0.4 to 0.8

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0.55 to 0.8

Nickel (Ni), %		43.3 to 51.6
Nickel (Ni), %		0 to 0.6

Niobium (Nb), %		1.4 to 1.7
Niobium (Nb), %		0

Nitrogen (N), %		0 to 0.16
Nitrogen (N), %		0

Phosphorus (P), %		0 to 0.020
Phosphorus (P), %		0 to 0.025

Silicon (Si), %		0 to 0.5
Silicon (Si), %		0 to 0.4

Sulfur (S), %		0 to 0.020
Sulfur (S), %		0 to 0.030

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

Vanadium (V), %		0
Vanadium (V), %		0.2 to 0.35