C46200 Brass vs. C70250 Copper

Both C46200 brass and C70250 copper are copper alloys. They have 64% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C46200 brass and the bottom bar is C70250 copper.

UNS C46200 Naval Brass UNS C70250 (CW112C) Nickel-Silicon Copper

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		100
Elastic (Young's, Tensile) Modulus, GPa		120

Poisson's Ratio		0.31
Poisson's Ratio		0.34

Shear Modulus, GPa		40
Shear Modulus, GPa		44

Tensile Strength: Ultimate (UTS), MPa		370 to 480
Tensile Strength: Ultimate (UTS), MPa		520 to 740

Thermal Properties

Latent Heat of Fusion, J/g		170
Latent Heat of Fusion, J/g		220

Maximum Temperature: Mechanical, °C		120
Maximum Temperature: Mechanical, °C		210

Melting Completion (Liquidus), °C		840
Melting Completion (Liquidus), °C		1100

Melting Onset (Solidus), °C		800
Melting Onset (Solidus), °C		1080

Specific Heat Capacity, J/kg-K		380
Specific Heat Capacity, J/kg-K		390

Thermal Conductivity, W/m-K		110
Thermal Conductivity, W/m-K		170

Thermal Expansion, µm/m-K		20
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

Base Metal Price, % relative		24
Base Metal Price, % relative		31

Density, g/cm³		8.1
Density, g/cm³		8.9

Embodied Carbon, kg CO₂/kg material		2.7
Embodied Carbon, kg CO₂/kg material		2.9

Embodied Energy, MJ/kg		46
Embodied Energy, MJ/kg		45

Embodied Water, L/kg		330
Embodied Water, L/kg		310

Common Calculations

Stiffness to Weight: Axial, points		7.2
Stiffness to Weight: Axial, points		7.4

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		13 to 16
Strength to Weight: Axial, points		16 to 23

Strength to Weight: Bending, points		14 to 17
Strength to Weight: Bending, points		16 to 21

Thermal Diffusivity, mm²/s		35
Thermal Diffusivity, mm²/s		49

Thermal Shock Resistance, points		12 to 16
Thermal Shock Resistance, points		18 to 26

Alloy Composition

Copper (Cu), %		62 to 65
Copper (Cu), %		92.7 to 97.5

Iron (Fe), %		0 to 0.1
Iron (Fe), %		0

Lead (Pb), %		0 to 0.2
Lead (Pb), %		0 to 0.050

Magnesium (Mg), %		0
Magnesium (Mg), %		0.050 to 0.3

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.1

Nickel (Ni), %		0
Nickel (Ni), %		2.2 to 4.2

Silicon (Si), %		0
Silicon (Si), %		0.25 to 1.2

Tin (Sn), %		0.5 to 1.0
Tin (Sn), %		0

Zinc (Zn), %		33.3 to 37.5
Zinc (Zn), %		0 to 1.0

Residuals, %		0
Residuals, %		0 to 0.5