CC212E Bronze vs. C68000 Brass

Both CC212E bronze and C68000 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 60% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is CC212E bronze and the bottom bar is C68000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		130
Elastic (Young's, Tensile) Modulus, GPa		100

Elongation at Break, %		20
Elongation at Break, %		27

Poisson's Ratio		0.34
Poisson's Ratio		0.3

Shear Modulus, GPa		47
Shear Modulus, GPa		40

Tensile Strength: Ultimate (UTS), MPa		710
Tensile Strength: Ultimate (UTS), MPa		390

Tensile Strength: Yield (Proof), MPa		310
Tensile Strength: Yield (Proof), MPa		140

Thermal Properties

Latent Heat of Fusion, J/g		230
Latent Heat of Fusion, J/g		170

Maximum Temperature: Mechanical, °C		220
Maximum Temperature: Mechanical, °C		120

Melting Completion (Liquidus), °C		1080
Melting Completion (Liquidus), °C		880

Melting Onset (Solidus), °C		1020
Melting Onset (Solidus), °C		870

Specific Heat Capacity, J/kg-K		440
Specific Heat Capacity, J/kg-K		390

Thermal Expansion, µm/m-K		18
Thermal Expansion, µm/m-K		21

Otherwise Unclassified Properties

Base Metal Price, % relative		27
Base Metal Price, % relative		23

Density, g/cm³		8.2
Density, g/cm³		8.0

Embodied Carbon, kg CO₂/kg material		3.4
Embodied Carbon, kg CO₂/kg material		2.8

Embodied Energy, MJ/kg		55
Embodied Energy, MJ/kg		48

Embodied Water, L/kg		370
Embodied Water, L/kg		330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		120
Resilience: Ultimate (Unit Rupture Work), MJ/m³		82

Resilience: Unit (Modulus of Resilience), kJ/m³		390
Resilience: Unit (Modulus of Resilience), kJ/m³		95

Stiffness to Weight: Axial, points		8.5
Stiffness to Weight: Axial, points		7.3

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

Strength to Weight: Axial, points		24
Strength to Weight: Axial, points		14

Strength to Weight: Bending, points		21
Strength to Weight: Bending, points		15

Thermal Shock Resistance, points		22
Thermal Shock Resistance, points		13

Alloy Composition

Aluminum (Al), %		7.0 to 9.0
Aluminum (Al), %		0 to 0.010

Copper (Cu), %		68 to 77
Copper (Cu), %		56 to 60

Iron (Fe), %		2.0 to 4.0
Iron (Fe), %		0.25 to 1.3

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

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

Manganese (Mn), %		8.0 to 15
Manganese (Mn), %		0.010 to 0.5

Nickel (Ni), %		1.5 to 4.5
Nickel (Ni), %		0.2 to 0.8

Silicon (Si), %		0 to 0.1
Silicon (Si), %		0.040 to 0.15

Tin (Sn), %		0 to 0.5
Tin (Sn), %		0.75 to 1.1

Zinc (Zn), %		0 to 1.0
Zinc (Zn), %		35.6 to 42.8

Residuals, %		0
Residuals, %		0 to 0.5