Chromium 33 vs. 50Cr-50Ni Alloy

Both chromium 33 and 50Cr-50Ni alloy are otherwise unclassified metals. They have 66% of their average alloy composition in common.

For each property being compared, the top bar is chromium 33 and the bottom bar is 50Cr-50Ni alloy.

Chromium Alloy 33 (R20033)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, %		45
Elongation at Break, %		5.7

Poisson's Ratio		0.27
Poisson's Ratio		0.26

Shear Modulus, GPa		81
Shear Modulus, GPa		84

Tensile Strength: Ultimate (UTS), MPa		850
Tensile Strength: Ultimate (UTS), MPa		620

Tensile Strength: Yield (Proof), MPa		430
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		480
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		36
Base Metal Price, % relative		50

Density, g/cm³		7.9
Density, g/cm³		8.0

Embodied Carbon, kg CO₂/kg material		6.0
Embodied Carbon, kg CO₂/kg material		7.9

Embodied Energy, MJ/kg		84
Embodied Energy, MJ/kg		110

Embodied Water, L/kg		250
Embodied Water, L/kg		350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		320
Resilience: Ultimate (Unit Rupture Work), MJ/m³		31

Resilience: Unit (Modulus of Resilience), kJ/m³		450
Resilience: Unit (Modulus of Resilience), kJ/m³		350

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		30
Strength to Weight: Axial, points		21

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

Thermal Shock Resistance, points		21
Thermal Shock Resistance, points		14

Alloy Composition

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

Carbon (C), %		0 to 0.015
Carbon (C), %		0 to 0.1

Chromium (Cr), %		31 to 35
Chromium (Cr), %		48 to 52

Copper (Cu), %		0.3 to 1.2
Copper (Cu), %		0

Iron (Fe), %		25.7 to 37.9
Iron (Fe), %		0 to 1.0

Manganese (Mn), %		0 to 2.0
Manganese (Mn), %		0 to 0.3

Molybdenum (Mo), %		0.5 to 2.0
Molybdenum (Mo), %		0

Nickel (Ni), %		30 to 33
Nickel (Ni), %		44.5 to 52

Nitrogen (N), %		0.35 to 0.6
Nitrogen (N), %		0 to 0.3

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

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

Sulfur (S), %		0 to 0.010
Sulfur (S), %		0 to 0.020

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