C17000 Copper vs. 50Cr-50Ni Alloy

C17000 copper belongs to the copper alloys classification, while 50Cr-50Ni alloy belongs to the otherwise unclassified metals. There are 20 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 C17000 copper and the bottom bar is 50Cr-50Ni alloy.

UNS C17000 (CW100C) Beryllium Copper 50Cr-50Ni (R20500) Casting Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		120
Elastic (Young's, Tensile) Modulus, GPa		210

Elongation at Break, %		1.1 to 31
Elongation at Break, %		5.7

Poisson's Ratio		0.33
Poisson's Ratio		0.26

Shear Modulus, GPa		45
Shear Modulus, GPa		84

Tensile Strength: Ultimate (UTS), MPa		490 to 1310
Tensile Strength: Ultimate (UTS), MPa		620

Tensile Strength: Yield (Proof), MPa		160 to 1140
Tensile Strength: Yield (Proof), MPa		390

Thermal Properties

Latent Heat of Fusion, J/g		230
Latent Heat of Fusion, J/g		350

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		490

Thermal Expansion, µm/m-K		17
Thermal Expansion, µm/m-K		15

Otherwise Unclassified Properties

Density, g/cm³		8.8
Density, g/cm³		8.0

Embodied Carbon, kg CO₂/kg material		8.7
Embodied Carbon, kg CO₂/kg material		7.9

Embodied Energy, MJ/kg		140
Embodied Energy, MJ/kg		110

Embodied Water, L/kg		310
Embodied Water, L/kg		350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		4.2 to 390
Resilience: Ultimate (Unit Rupture Work), MJ/m³		31

Resilience: Unit (Modulus of Resilience), kJ/m³		110 to 5420
Resilience: Unit (Modulus of Resilience), kJ/m³		350

Stiffness to Weight: Axial, points		7.6
Stiffness to Weight: Axial, points		15

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		15 to 41
Strength to Weight: Axial, points		21

Strength to Weight: Bending, points		16 to 30
Strength to Weight: Bending, points		20

Thermal Shock Resistance, points		17 to 45
Thermal Shock Resistance, points		14

Alloy Composition

Aluminum (Al), %		0 to 0.2
Aluminum (Al), %		0 to 0.25

Beryllium (Be), %		1.6 to 1.8
Beryllium (Be), %		0

Carbon (C), %		0
Carbon (C), %		0 to 0.1

Chromium (Cr), %		0
Chromium (Cr), %		48 to 52

Copper (Cu), %		96.3 to 98.2
Copper (Cu), %		0

Iron (Fe), %		0 to 0.4
Iron (Fe), %		0 to 1.0

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.3

Nickel (Ni), %		0.2 to 0.6
Nickel (Ni), %		44.5 to 52

Nitrogen (N), %		0
Nitrogen (N), %		0 to 0.3

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

Silicon (Si), %		0 to 0.2
Silicon (Si), %		0 to 1.0

Sulfur (S), %		0
Sulfur (S), %		0 to 0.020

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.5

Residuals, %		0 to 0.5
Residuals, %		0