K93050 Alloy vs. C19025 Copper

K93050 alloy belongs to the iron alloys classification, while C19025 copper belongs to the copper 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 K93050 alloy and the bottom bar is C19025 copper.

UNS K93050 Low Expansion Alloy UNS C19025 Nickel-Tin Copper

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		120

Poisson's Ratio		0.3
Poisson's Ratio		0.34

Shear Modulus, GPa		72
Shear Modulus, GPa		43

Tensile Strength: Ultimate (UTS), MPa		500 to 680
Tensile Strength: Ultimate (UTS), MPa		480 to 620

Thermal Properties

Latent Heat of Fusion, J/g		270
Latent Heat of Fusion, J/g		210

Melting Completion (Liquidus), °C		1430
Melting Completion (Liquidus), °C		1080

Melting Onset (Solidus), °C		1380
Melting Onset (Solidus), °C		1020

Specific Heat Capacity, J/kg-K		460
Specific Heat Capacity, J/kg-K		380

Thermal Expansion, µm/m-K		12
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

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

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

Embodied Carbon, kg CO₂/kg material		4.7
Embodied Carbon, kg CO₂/kg material		2.8

Embodied Energy, MJ/kg		65
Embodied Energy, MJ/kg		44

Embodied Water, L/kg		120
Embodied Water, L/kg		320

Common Calculations

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		7.2

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

Strength to Weight: Axial, points		17 to 23
Strength to Weight: Axial, points		15 to 19

Strength to Weight: Bending, points		17 to 21
Strength to Weight: Bending, points		15 to 18

Thermal Shock Resistance, points		16 to 21
Thermal Shock Resistance, points		17 to 22

Alloy Composition

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

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

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

Copper (Cu), %		0
Copper (Cu), %		97.1 to 98.5

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

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

Nickel (Ni), %		36
Nickel (Ni), %		0.8 to 1.2

Phosphorus (P), %		0 to 0.020
Phosphorus (P), %		0.030 to 0.070

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

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

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

Tin (Sn), %		0
Tin (Sn), %		0.7 to 1.1

Zinc (Zn), %		0
Zinc (Zn), %		0 to 0.2

Residuals, %		0
Residuals, %		0 to 0.3