C61800 Bronze vs. K93050 Alloy

C61800 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 (12, in this case) are not shown.

For each property being compared, the top bar is C61800 bronze and the bottom bar is K93050 alloy.

UNS C61800 (CW305G) Aluminum 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		44
Shear Modulus, GPa		72

Tensile Strength: Ultimate (UTS), MPa		740
Tensile Strength: Ultimate (UTS), MPa		500 to 680

Thermal Properties

Latent Heat of Fusion, J/g		230
Latent Heat of Fusion, J/g		270

Melting Completion (Liquidus), °C		1050
Melting Completion (Liquidus), °C		1430

Melting Onset (Solidus), °C		1040
Melting Onset (Solidus), °C		1380

Specific Heat Capacity, J/kg-K		440
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		28
Base Metal Price, % relative		26

Density, g/cm³		8.3
Density, g/cm³		8.2

Embodied Carbon, kg CO₂/kg material		3.1
Embodied Carbon, kg CO₂/kg material		4.7

Embodied Energy, MJ/kg		52
Embodied Energy, MJ/kg		65

Embodied Water, L/kg		390
Embodied Water, L/kg		120

Common Calculations

Stiffness to Weight: Axial, points		7.5
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		25
Strength to Weight: Axial, points		17 to 23

Strength to Weight: Bending, points		22
Strength to Weight: Bending, points		17 to 21

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

Alloy Composition

Aluminum (Al), %		8.5 to 11
Aluminum (Al), %		0

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), %		86.9 to 91
Copper (Cu), %		0

Iron (Fe), %		0.5 to 1.5
Iron (Fe), %		61.4 to 63.9

Lead (Pb), %		0 to 0.020
Lead (Pb), %		0

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

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

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

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

Silicon (Si), %		0 to 0.1
Silicon (Si), %		0 to 0.35

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

Zinc (Zn), %		0 to 0.020
Zinc (Zn), %		0

Residuals, %		0 to 0.5
Residuals, %		0