C54400 Bronze vs. K93050 Alloy

C54400 bronze belongs to the copper alloys classification, while K93050 alloy belongs to the iron alloys. There are 19 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 C54400 bronze and the bottom bar is K93050 alloy.

UNS C54400 (CW456K) Phosphor Bronze UNS K93050 Low Expansion Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		190

Poisson's Ratio		0.34
Poisson's Ratio		0.3

Shear Modulus, GPa		40
Shear Modulus, GPa		72

Tensile Strength: Ultimate (UTS), MPa		330 to 720
Tensile Strength: Ultimate (UTS), MPa		500 to 680

Thermal Properties

Latent Heat of Fusion, J/g		190
Latent Heat of Fusion, J/g		270

Melting Completion (Liquidus), °C		1000
Melting Completion (Liquidus), °C		1430

Melting Onset (Solidus), °C		930
Melting Onset (Solidus), °C		1380

Specific Heat Capacity, J/kg-K		370
Specific Heat Capacity, J/kg-K		460

Thermal Expansion, µm/m-K		18
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		31
Base Metal Price, % relative		26

Density, g/cm³		8.9
Density, g/cm³		8.2

Embodied Carbon, kg CO₂/kg material		2.9
Embodied Carbon, kg CO₂/kg material		4.7

Embodied Energy, MJ/kg		48
Embodied Energy, MJ/kg		65

Embodied Water, L/kg		340
Embodied Water, L/kg		120

Common Calculations

Stiffness to Weight: Axial, points		6.8
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		18
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		10 to 22
Strength to Weight: Axial, points		17 to 23

Strength to Weight: Bending, points		12 to 20
Strength to Weight: Bending, points		17 to 21

Thermal Shock Resistance, points		12 to 26
Thermal Shock Resistance, points		16 to 21

Alloy Composition

Carbon (C), %		0
Carbon (C), %		0 to 0.15

Chromium (Cr), %		0
Chromium (Cr), %		0 to 0.25

Cobalt (Co), %		0
Cobalt (Co), %		0 to 0.5

Copper (Cu), %		85.4 to 91.5
Copper (Cu), %		0

Iron (Fe), %		0 to 0.1
Iron (Fe), %		61.4 to 63.9

Lead (Pb), %		3.5 to 4.5
Lead (Pb), %		0

Manganese (Mn), %		0
Manganese (Mn), %		0 to 1.0

Nickel (Ni), %		0
Nickel (Ni), %		36

Phosphorus (P), %		0.010 to 0.5
Phosphorus (P), %		0 to 0.020

Selenium (Se), %		0
Selenium (Se), %		0.15 to 0.3

Silicon (Si), %		0
Silicon (Si), %		0 to 0.35

Sulfur (S), %		0
Sulfur (S), %		0 to 0.020

Tin (Sn), %		3.5 to 4.5
Tin (Sn), %		0

Zinc (Zn), %		1.5 to 4.5
Zinc (Zn), %		0

Residuals, %		0 to 0.5
Residuals, %		0