Grade C-6 Titanium vs. C55181 Copper

Grade C-6 titanium belongs to the titanium alloys classification, while C55181 copper belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade C-6 titanium and the bottom bar is C55181 copper.

Grade C-6 Cast Titanium UNS C55181 (BCuP-2) Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		100
Elastic (Young's, Tensile) Modulus, GPa		110

Poisson's Ratio		0.32
Poisson's Ratio		0.34

Shear Modulus, GPa		39
Shear Modulus, GPa		40

Tensile Strength: Ultimate (UTS), MPa		890
Tensile Strength: Ultimate (UTS), MPa		200

Thermal Properties

Latent Heat of Fusion, J/g		410
Latent Heat of Fusion, J/g		190

Maximum Temperature: Mechanical, °C		310
Maximum Temperature: Mechanical, °C		200

Melting Completion (Liquidus), °C		1580
Melting Completion (Liquidus), °C		790

Melting Onset (Solidus), °C		1530
Melting Onset (Solidus), °C		710

Specific Heat Capacity, J/kg-K		550
Specific Heat Capacity, J/kg-K		410

Thermal Expansion, µm/m-K		9.8
Thermal Expansion, µm/m-K		16

Otherwise Unclassified Properties

Base Metal Price, % relative		36
Base Metal Price, % relative		28

Density, g/cm³		4.5
Density, g/cm³		8.5

Embodied Carbon, kg CO₂/kg material		30
Embodied Carbon, kg CO₂/kg material		2.4

Embodied Energy, MJ/kg		480
Embodied Energy, MJ/kg		38

Embodied Water, L/kg		190
Embodied Water, L/kg		290

Common Calculations

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		7.0

Stiffness to Weight: Bending, points		35
Stiffness to Weight: Bending, points		19

Strength to Weight: Axial, points		55
Strength to Weight: Axial, points		6.5

Strength to Weight: Bending, points		46
Strength to Weight: Bending, points		8.9

Thermal Shock Resistance, points		63
Thermal Shock Resistance, points		8.2

Alloy Composition

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Aluminum (Al), %		4.0 to 6.0
Aluminum (Al), %		0

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

Copper (Cu), %		0
Copper (Cu), %		92.4 to 93

Hydrogen (H), %		0 to 0.015
Hydrogen (H), %		0

Iron (Fe), %		0 to 0.5
Iron (Fe), %		0

Nickel (Ni), %		0 to 0.050
Nickel (Ni), %		0

Oxygen (O), %		0 to 0.2
Oxygen (O), %		0

Phosphorus (P), %		0
Phosphorus (P), %		7.0 to 7.5

Tin (Sn), %		2.0 to 3.0
Tin (Sn), %		0

Titanium (Ti), %		89.7 to 94
Titanium (Ti), %		0

Residuals, %		0 to 0.4
Residuals, %		0 to 0.15