EN 1.5026 Steel vs. C14181 Copper

EN 1.5026 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 1.5026 steel and the bottom bar is C14181 copper.

EN 1.5026 (56Si7) Silicon 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		660 to 1980
Tensile Strength: Ultimate (UTS), MPa		210

Thermal Properties

Latent Heat of Fusion, J/g		280
Latent Heat of Fusion, J/g		210

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

Melting Completion (Liquidus), °C		1440
Melting Completion (Liquidus), °C		1080

Melting Onset (Solidus), °C		1390
Melting Onset (Solidus), °C		1080

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		390

Thermal Conductivity, W/m-K		47
Thermal Conductivity, W/m-K		380

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

Base Metal Price, % relative		1.9
Base Metal Price, % relative		31

Density, g/cm³		7.7
Density, g/cm³		9.0

Embodied Carbon, kg CO₂/kg material		1.5
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		25
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		24 to 71
Strength to Weight: Axial, points		6.5

Strength to Weight: Bending, points		22 to 45
Strength to Weight: Bending, points		8.8

Thermal Diffusivity, mm²/s		13
Thermal Diffusivity, mm²/s		110

Thermal Shock Resistance, points		20 to 60
Thermal Shock Resistance, points		7.4

Alloy Composition

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

Carbon (C), %		0.52 to 0.6
Carbon (C), %		0 to 0.0050

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

Iron (Fe), %		96.5 to 97.3
Iron (Fe), %		0

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

Manganese (Mn), %		0.6 to 0.9
Manganese (Mn), %		0

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

Silicon (Si), %		1.6 to 2.0
Silicon (Si), %		0

Sulfur (S), %		0 to 0.025
Sulfur (S), %		0

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