Chromium 33 vs. S44401 Stainless Steel

Chromium 33 belongs to the otherwise unclassified metals classification, while S44401 stainless steel belongs to the iron alloys. They have 53% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is chromium 33 and the bottom bar is S44401 stainless steel.

Chromium Alloy 33 (R20033)UNS S44401 Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		45
Elongation at Break, %		21

Poisson's Ratio		0.27
Poisson's Ratio		0.28

Shear Modulus, GPa		81
Shear Modulus, GPa		78

Tensile Strength: Ultimate (UTS), MPa		850
Tensile Strength: Ultimate (UTS), MPa		480

Tensile Strength: Yield (Proof), MPa		430
Tensile Strength: Yield (Proof), MPa		300

Thermal Properties

Latent Heat of Fusion, J/g		320
Latent Heat of Fusion, J/g		280

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

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		10

Otherwise Unclassified Properties

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

Density, g/cm³		7.9
Density, g/cm³		7.8

Embodied Carbon, kg CO₂/kg material		6.0
Embodied Carbon, kg CO₂/kg material		2.9

Embodied Energy, MJ/kg		84
Embodied Energy, MJ/kg		40

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		90

Resilience: Unit (Modulus of Resilience), kJ/m³		450
Resilience: Unit (Modulus of Resilience), kJ/m³		230

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

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

Strength to Weight: Axial, points		30
Strength to Weight: Axial, points		17

Strength to Weight: Bending, points		25
Strength to Weight: Bending, points		18

Thermal Shock Resistance, points		21
Thermal Shock Resistance, points		17

Alloy Composition

Carbon (C), %		0 to 0.015
Carbon (C), %		0 to 0.025

Chromium (Cr), %		31 to 35
Chromium (Cr), %		17.5 to 19.5

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

Iron (Fe), %		25.7 to 37.9
Iron (Fe), %		75.1 to 80.6

Manganese (Mn), %		0 to 2.0
Manganese (Mn), %		0 to 1.0

Molybdenum (Mo), %		0.5 to 2.0
Molybdenum (Mo), %		1.8 to 2.5

Nickel (Ni), %		30 to 33
Nickel (Ni), %		0 to 1.0

Nitrogen (N), %		0.35 to 0.6
Nitrogen (N), %		0 to 0.035

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

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

Sulfur (S), %		0 to 0.010
Sulfur (S), %		0 to 0.030

Titanium (Ti), %		0
Titanium (Ti), %		0.2 to 0.8