Chromium 33 vs. S20161 Stainless Steel

Chromium 33 belongs to the otherwise unclassified metals classification, while S20161 stainless steel belongs to the iron alloys. They have 55% of their average alloy composition in common. There are 21 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 chromium 33 and the bottom bar is S20161 stainless steel.

Chromium Alloy 33 (R20033)UNS S20161 Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		190

Elongation at Break, %		45
Elongation at Break, %		46

Poisson's Ratio		0.27
Poisson's Ratio		0.28

Shear Modulus, GPa		81
Shear Modulus, GPa		76

Tensile Strength: Ultimate (UTS), MPa		850
Tensile Strength: Ultimate (UTS), MPa		980

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		330

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		16

Otherwise Unclassified Properties

Base Metal Price, % relative		36
Base Metal Price, % relative		12

Density, g/cm³		7.9
Density, g/cm³		7.5

Embodied Carbon, kg CO₂/kg material		6.0
Embodied Carbon, kg CO₂/kg material		2.7

Embodied Energy, MJ/kg		84
Embodied Energy, MJ/kg		39

Embodied Water, L/kg		250
Embodied Water, L/kg		130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		320
Resilience: Ultimate (Unit Rupture Work), MJ/m³		360

Resilience: Unit (Modulus of Resilience), kJ/m³		450
Resilience: Unit (Modulus of Resilience), kJ/m³		390

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

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		26

Strength to Weight: Axial, points		30
Strength to Weight: Axial, points		36

Strength to Weight: Bending, points		25
Strength to Weight: Bending, points		29

Thermal Shock Resistance, points		21
Thermal Shock Resistance, points		22

Alloy Composition

Carbon (C), %		0 to 0.015
Carbon (C), %		0 to 0.15

Chromium (Cr), %		31 to 35
Chromium (Cr), %		15 to 18

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

Iron (Fe), %		25.7 to 37.9
Iron (Fe), %		65.6 to 73.9

Manganese (Mn), %		0 to 2.0
Manganese (Mn), %		4.0 to 6.0

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

Nickel (Ni), %		30 to 33
Nickel (Ni), %		4.0 to 6.0

Nitrogen (N), %		0.35 to 0.6
Nitrogen (N), %		0.080 to 0.2

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

Silicon (Si), %		0 to 0.5
Silicon (Si), %		3.0 to 4.0

Sulfur (S), %		0 to 0.010
Sulfur (S), %		0 to 0.040