EN 1.1061 Steel vs. C14181 Copper

EN 1.1061 steel belongs to the iron alloys classification, while C14181 copper belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.1061 steel and the bottom bar is C14181 copper.

EN 1.1061 (C45RC) Non-Alloy Steel UNS C14181 (BVCu-1x) Vacuum Service Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.29
Poisson's Ratio		0.34

Shear Modulus, GPa		72
Shear Modulus, GPa		43

Tensile Strength: Ultimate (UTS), MPa		530 to 1810
Tensile Strength: Ultimate (UTS), MPa		210

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		210

Maximum Temperature: Mechanical, °C		400
Maximum Temperature: Mechanical, °C		200

Melting Completion (Liquidus), °C		1460
Melting Completion (Liquidus), °C		1080

Melting Onset (Solidus), °C		1420
Melting Onset (Solidus), °C		1080

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		390

Thermal Conductivity, W/m-K		51
Thermal Conductivity, W/m-K		380

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

Otherwise Unclassified Properties

Base Metal Price, % relative		1.8
Base Metal Price, % relative		31

Density, g/cm³		7.8
Density, g/cm³		9.0

Embodied Carbon, kg CO₂/kg material		1.4
Embodied Carbon, kg CO₂/kg material		2.6

Embodied Energy, MJ/kg		19
Embodied Energy, MJ/kg		41

Embodied Water, L/kg		46
Embodied Water, L/kg		310

Common Calculations

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

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		19 to 64
Strength to Weight: Axial, points		6.5

Strength to Weight: Bending, points		19 to 42
Strength to Weight: Bending, points		8.8

Thermal Diffusivity, mm²/s		14
Thermal Diffusivity, mm²/s		110

Thermal Shock Resistance, points		17 to 58
Thermal Shock Resistance, points		7.4

Alloy Composition

Cadmium (Cd), %		0
Cadmium (Cd), %		0 to 0.0020

Carbon (C), %		0.42 to 0.5
Carbon (C), %		0 to 0.0050

Copper (Cu), %		0 to 0.25
Copper (Cu), %		99.9 to 100

Iron (Fe), %		98.1 to 99.06
Iron (Fe), %		0

Lead (Pb), %		0
Lead (Pb), %		0 to 0.0020

Manganese (Mn), %		0.5 to 0.8
Manganese (Mn), %		0

Phosphorus (P), %		0 to 0.025
Phosphorus (P), %		0 to 0.0020

Silicon (Si), %		0 to 0.3
Silicon (Si), %		0

Sulfur (S), %		0.020 to 0.035
Sulfur (S), %		0

Zinc (Zn), %		0
Zinc (Zn), %		0 to 0.0020