C44400 Brass vs. C47000 Brass

Both C44400 brass and C47000 brass are copper alloys. They have 87% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C44400 brass and the bottom bar is C47000 brass.

UNS C44400 Admiralty Brass UNS C47000 (RBCuZn-A) Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.32
Poisson's Ratio		0.3

Shear Modulus, GPa		41
Shear Modulus, GPa		40

Tensile Strength: Ultimate (UTS), MPa		350
Tensile Strength: Ultimate (UTS), MPa		380

Tensile Strength: Yield (Proof), MPa		120
Tensile Strength: Yield (Proof), MPa		150

Thermal Properties

Latent Heat of Fusion, J/g		180
Latent Heat of Fusion, J/g		170

Maximum Temperature: Mechanical, °C		140
Maximum Temperature: Mechanical, °C		120

Melting Completion (Liquidus), °C		940
Melting Completion (Liquidus), °C		900

Melting Onset (Solidus), °C		900
Melting Onset (Solidus), °C		890

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		120

Thermal Expansion, µm/m-K		20
Thermal Expansion, µm/m-K		21

Otherwise Unclassified Properties

Base Metal Price, % relative		26
Base Metal Price, % relative		23

Density, g/cm³		8.3
Density, g/cm³		8.0

Embodied Carbon, kg CO₂/kg material		2.8
Embodied Carbon, kg CO₂/kg material		2.7

Embodied Energy, MJ/kg		46
Embodied Energy, MJ/kg		47

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

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m³		65
Resilience: Unit (Modulus of Resilience), kJ/m³		100

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

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		20

Strength to Weight: Axial, points		12
Strength to Weight: Axial, points		13

Strength to Weight: Bending, points		13
Strength to Weight: Bending, points		15

Thermal Diffusivity, mm²/s		35
Thermal Diffusivity, mm²/s		38

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

Alloy Composition

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

Antimony (Sb), %		0.020 to 0.1
Antimony (Sb), %		0

Copper (Cu), %		70 to 73
Copper (Cu), %		57 to 61

Iron (Fe), %		0 to 0.060
Iron (Fe), %		0

Lead (Pb), %		0 to 0.070
Lead (Pb), %		0 to 0.050

Tin (Sn), %		0.9 to 1.2
Tin (Sn), %		0.25 to 1.0

Zinc (Zn), %		25.2 to 29.1
Zinc (Zn), %		37.5 to 42.8

Residuals, %		0
Residuals, %		0 to 0.4