C12600 Copper vs. Chromium 33

C12600 copper belongs to the copper alloys classification, while chromium 33 belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C12600 copper and the bottom bar is chromium 33.

UNS C12600 Fire-Refined Tough Pitch Copper Chromium Alloy 33 (R20033)

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		56
Elongation at Break, %		45

Poisson's Ratio		0.34
Poisson's Ratio		0.27

Shear Modulus, GPa		56
Shear Modulus, GPa		81

Tensile Strength: Ultimate (UTS), MPa		270
Tensile Strength: Ultimate (UTS), MPa		850

Tensile Strength: Yield (Proof), MPa		69
Tensile Strength: Yield (Proof), MPa		430

Thermal Properties

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

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

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

Otherwise Unclassified Properties

Base Metal Price, % relative		30
Base Metal Price, % relative		36

Density, g/cm³		8.9
Density, g/cm³		7.9

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

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

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		110
Resilience: Ultimate (Unit Rupture Work), MJ/m³		320

Resilience: Unit (Modulus of Resilience), kJ/m³		21
Resilience: Unit (Modulus of Resilience), kJ/m³		450

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

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

Strength to Weight: Axial, points		8.2
Strength to Weight: Axial, points		30

Strength to Weight: Bending, points		10
Strength to Weight: Bending, points		25

Thermal Shock Resistance, points		9.5
Thermal Shock Resistance, points		21

Alloy Composition

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

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

Copper (Cu), %		99.5 to 99.8
Copper (Cu), %		0.3 to 1.2

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

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

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

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

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

Phosphorus (P), %		0.2 to 0.4
Phosphorus (P), %		0 to 0.020

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

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