O60 C47940 Brass vs. O60 C51000 Bronze

Both O60 C47940 brass and O60 C51000 bronze are copper alloys. Both are furnished in the O60 (soft annealed) temper. They have 67% 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 O60 C47940 brass and the bottom bar is O60 C51000 bronze.

Soft Annealed (O60) C47940 Brass Soft Annealed (O60) C51000 Bronze

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.31
Poisson's Ratio		0.34

Shear Modulus, GPa		40
Shear Modulus, GPa		42

Tensile Strength: Ultimate (UTS), MPa		380
Tensile Strength: Ultimate (UTS), MPa		340

Thermal Properties

Latent Heat of Fusion, J/g		170
Latent Heat of Fusion, J/g		200

Maximum Temperature: Mechanical, °C		130
Maximum Temperature: Mechanical, °C		190

Melting Completion (Liquidus), °C		850
Melting Completion (Liquidus), °C		1050

Melting Onset (Solidus), °C		800
Melting Onset (Solidus), °C		960

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

Thermal Conductivity, W/m-K		110
Thermal Conductivity, W/m-K		77

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

Otherwise Unclassified Properties

Base Metal Price, % relative		25
Base Metal Price, % relative		33

Density, g/cm³		8.2
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		47
Embodied Energy, MJ/kg		50

Embodied Water, L/kg		330
Embodied Water, L/kg		350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		100
Resilience: Ultimate (Unit Rupture Work), MJ/m³		7.0 to 490

Resilience: Unit (Modulus of Resilience), kJ/m³		120
Resilience: Unit (Modulus of Resilience), kJ/m³		75 to 2490

Stiffness to Weight: Axial, points		7.1
Stiffness to Weight: Axial, points		7.0

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

Strength to Weight: Axial, points		13
Strength to Weight: Axial, points		11

Strength to Weight: Bending, points		14
Strength to Weight: Bending, points		12

Thermal Diffusivity, mm²/s		36
Thermal Diffusivity, mm²/s		23

Thermal Shock Resistance, points		13
Thermal Shock Resistance, points		12

Alloy Composition

Copper (Cu), %		63 to 66
Copper (Cu), %		92.9 to 95.5

Iron (Fe), %		0.1 to 1.0
Iron (Fe), %		0 to 0.1

Lead (Pb), %		1.0 to 2.0
Lead (Pb), %		0 to 0.050

Nickel (Ni), %		0.1 to 0.5
Nickel (Ni), %		0

Phosphorus (P), %		0
Phosphorus (P), %		0.030 to 0.35

Tin (Sn), %		1.2 to 2.0
Tin (Sn), %		4.5 to 5.8

Zinc (Zn), %		28.1 to 34.6
Zinc (Zn), %		0 to 0.3

Residuals, %		0
Residuals, %		0 to 0.5