EN 1.4123 Stainless Steel vs. 50Cr-50Ni-Cb Alloy

EN 1.4123 stainless steel belongs to the iron alloys classification, while 50Cr-50Ni-Cb alloy belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is EN 1.4123 stainless steel and the bottom bar is 50Cr-50Ni-Cb alloy.

EN 1.4123 (X40CrMoVN16-2) Stainless Bearing Steel 50Cr-50Ni-Cb (R20501) Casting Alloy

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.28
Poisson's Ratio		0.26

Shear Modulus, GPa		77
Shear Modulus, GPa		84

Tensile Strength: Ultimate (UTS), MPa		720 to 810
Tensile Strength: Ultimate (UTS), MPa		620

Thermal Properties

Latent Heat of Fusion, J/g		280
Latent Heat of Fusion, J/g		350

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

Thermal Expansion, µm/m-K		10
Thermal Expansion, µm/m-K		15

Otherwise Unclassified Properties

Base Metal Price, % relative		10
Base Metal Price, % relative		60

Density, g/cm³		7.7
Density, g/cm³		8.0

Embodied Carbon, kg CO₂/kg material		4.2
Embodied Carbon, kg CO₂/kg material		9.2

Embodied Energy, MJ/kg		62
Embodied Energy, MJ/kg		130

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

Common Calculations

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		15

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

Strength to Weight: Axial, points		26 to 29
Strength to Weight: Axial, points		21

Strength to Weight: Bending, points		23 to 25
Strength to Weight: Bending, points		20

Thermal Shock Resistance, points		26 to 29
Thermal Shock Resistance, points		14

Alloy Composition

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

Carbon (C), %		0.35 to 0.5
Carbon (C), %		0 to 0.1

Chromium (Cr), %		14 to 16.5
Chromium (Cr), %		47 to 52

Iron (Fe), %		76.7 to 84.6
Iron (Fe), %		0 to 1.0

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

Molybdenum (Mo), %		1.0 to 2.5
Molybdenum (Mo), %		0

Nickel (Ni), %		0 to 0.5
Nickel (Ni), %		43.3 to 51.6

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

Nitrogen (N), %		0.1 to 0.3
Nitrogen (N), %		0 to 0.16

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0 to 0.020

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

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

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

Vanadium (V), %		0 to 1.5
Vanadium (V), %		0