C68300 Brass vs. C83600 Ounce Metal

Both C68300 brass and C83600 ounce metal are copper alloys. They have 67% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C68300 brass and the bottom bar is C83600 ounce metal.

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		15
Elongation at Break, %		21

Poisson's Ratio		0.31
Poisson's Ratio		0.34

Shear Modulus, GPa		40
Shear Modulus, GPa		39

Tensile Strength: Ultimate (UTS), MPa		430
Tensile Strength: Ultimate (UTS), MPa		250

Tensile Strength: Yield (Proof), MPa		260
Tensile Strength: Yield (Proof), MPa		120

Thermal Properties

Latent Heat of Fusion, J/g		180
Latent Heat of Fusion, J/g		190

Maximum Temperature: Mechanical, °C		120
Maximum Temperature: Mechanical, °C		160

Melting Completion (Liquidus), °C		900
Melting Completion (Liquidus), °C		1010

Melting Onset (Solidus), °C		890
Melting Onset (Solidus), °C		850

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		370

Thermal Conductivity, W/m-K		120
Thermal Conductivity, W/m-K		72

Thermal Expansion, µm/m-K		20
Thermal Expansion, µm/m-K		18

Otherwise Unclassified Properties

Base Metal Price, % relative		23
Base Metal Price, % relative		31

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

Embodied Carbon, kg CO₂/kg material		2.8
Embodied Carbon, kg CO₂/kg material		3.1

Embodied Energy, MJ/kg		46
Embodied Energy, MJ/kg		50

Embodied Water, L/kg		340
Embodied Water, L/kg		350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		56
Resilience: Ultimate (Unit Rupture Work), MJ/m³		43

Resilience: Unit (Modulus of Resilience), kJ/m³		330
Resilience: Unit (Modulus of Resilience), kJ/m³		70

Stiffness to Weight: Axial, points		7.3
Stiffness to Weight: Axial, points		6.7

Stiffness to Weight: Bending, points		20
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		15
Strength to Weight: Axial, points		7.9

Strength to Weight: Bending, points		16
Strength to Weight: Bending, points		10

Thermal Diffusivity, mm²/s		38
Thermal Diffusivity, mm²/s		22

Thermal Shock Resistance, points		14
Thermal Shock Resistance, points		9.3

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.0050

Antimony (Sb), %		0.3 to 1.0
Antimony (Sb), %		0 to 0.25

Cadmium (Cd), %		0 to 0.010
Cadmium (Cd), %		0

Copper (Cu), %		59 to 63
Copper (Cu), %		84 to 86

Iron (Fe), %		0
Iron (Fe), %		0 to 0.3

Lead (Pb), %		0 to 0.090
Lead (Pb), %		4.0 to 6.0

Nickel (Ni), %		0
Nickel (Ni), %		0 to 1.0

Phosphorus (P), %		0
Phosphorus (P), %		0 to 1.5

Silicon (Si), %		0.3 to 1.0
Silicon (Si), %		0 to 0.0050

Sulfur (S), %		0
Sulfur (S), %		0 to 0.080

Tin (Sn), %		0.050 to 0.2
Tin (Sn), %		4.0 to 6.0

Zinc (Zn), %		34.2 to 40.4
Zinc (Zn), %		4.0 to 6.0

Residuals, %		0
Residuals, %		0 to 0.7