Chromium 33 vs. EN 1.4658 Stainless Steel

Chromium 33 belongs to the otherwise unclassified metals classification, while EN 1.4658 stainless steel belongs to the iron alloys. They have 70% 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 EN 1.4658 stainless steel.

Chromium Alloy 33 (R20033)EN 1.4658 (X2CrNiMoCoN28-8-5-1) Stainless Steel

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, %		28

Poisson's Ratio		0.27
Poisson's Ratio		0.27

Shear Modulus, GPa		81
Shear Modulus, GPa		81

Tensile Strength: Ultimate (UTS), MPa		850
Tensile Strength: Ultimate (UTS), MPa		900

Tensile Strength: Yield (Proof), MPa		430
Tensile Strength: Yield (Proof), MPa		730

Thermal Properties

Latent Heat of Fusion, J/g		320
Latent Heat of Fusion, J/g		300

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		13

Otherwise Unclassified Properties

Base Metal Price, % relative		36
Base Metal Price, % relative		25

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

Embodied Carbon, kg CO₂/kg material		6.0
Embodied Carbon, kg CO₂/kg material		4.5

Embodied Energy, MJ/kg		84
Embodied Energy, MJ/kg		61

Embodied Water, L/kg		250
Embodied Water, L/kg		200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		320
Resilience: Ultimate (Unit Rupture Work), MJ/m³		240

Resilience: Unit (Modulus of Resilience), kJ/m³		450
Resilience: Unit (Modulus of Resilience), kJ/m³		1280

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		32

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

Thermal Shock Resistance, points		21
Thermal Shock Resistance, points		24

Alloy Composition

Carbon (C), %		0 to 0.015
Carbon (C), %		0 to 0.030

Chromium (Cr), %		31 to 35
Chromium (Cr), %		26 to 29

Cobalt (Co), %		0
Cobalt (Co), %		0.5 to 2.0

Copper (Cu), %		0.3 to 1.2
Copper (Cu), %		0 to 1.0

Iron (Fe), %		25.7 to 37.9
Iron (Fe), %		50.9 to 63.7

Manganese (Mn), %		0 to 2.0
Manganese (Mn), %		0 to 1.5

Molybdenum (Mo), %		0.5 to 2.0
Molybdenum (Mo), %		4.0 to 5.0

Nickel (Ni), %		30 to 33
Nickel (Ni), %		5.5 to 9.5

Nitrogen (N), %		0.35 to 0.6
Nitrogen (N), %		0.3 to 0.5

Phosphorus (P), %		0 to 0.020
Phosphorus (P), %		0 to 0.035

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

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