Chromium 33 vs. C12000 Copper

Chromium 33 belongs to the otherwise unclassified metals classification, while C12000 copper belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is chromium 33 and the bottom bar is C12000 copper.

Chromium Alloy 33 (R20033)UNS C12000 (CW023A) Phosphorized Copper

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		120

Elongation at Break, %		45
Elongation at Break, %		2.8 to 50

Poisson's Ratio		0.27
Poisson's Ratio		0.34

Shear Modulus, GPa		81
Shear Modulus, GPa		43

Tensile Strength: Ultimate (UTS), MPa		850
Tensile Strength: Ultimate (UTS), MPa		230 to 410

Tensile Strength: Yield (Proof), MPa		430
Tensile Strength: Yield (Proof), MPa		77 to 400

Thermal Properties

Latent Heat of Fusion, J/g		320
Latent Heat of Fusion, J/g		210

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		390

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

Base Metal Price, % relative		36
Base Metal Price, % relative		31

Density, g/cm³		7.9
Density, g/cm³		9.0

Embodied Carbon, kg CO₂/kg material		6.0
Embodied Carbon, kg CO₂/kg material		2.6

Embodied Energy, MJ/kg		84
Embodied Energy, MJ/kg		41

Embodied Water, L/kg		250
Embodied Water, L/kg		310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		320
Resilience: Ultimate (Unit Rupture Work), MJ/m³		10 to 91

Resilience: Unit (Modulus of Resilience), kJ/m³		450
Resilience: Unit (Modulus of Resilience), kJ/m³		25 to 690

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		7.2

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

Strength to Weight: Axial, points		30
Strength to Weight: Axial, points		7.2 to 13

Strength to Weight: Bending, points		25
Strength to Weight: Bending, points		9.4 to 14

Thermal Shock Resistance, points		21
Thermal Shock Resistance, points		8.2 to 15

Alloy Composition

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

Chromium (Cr), %		31 to 35
Chromium (Cr), %		0

Copper (Cu), %		0.3 to 1.2
Copper (Cu), %		99.9 to 99.996

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

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

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

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

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

Phosphorus (P), %		0 to 0.020
Phosphorus (P), %		0.0040 to 0.012

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

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