EN 1.7076 Steel vs. C55180 Copper

EN 1.7076 steel belongs to the iron alloys classification, while C55180 copper belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.7076 steel and the bottom bar is C55180 copper.

EN 1.7076 (32CrB4) Chromium-Boron Steel UNS C55180 (BCuP-1) Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.29
Poisson's Ratio		0.34

Shear Modulus, GPa		73
Shear Modulus, GPa		41

Tensile Strength: Ultimate (UTS), MPa		470 to 1700
Tensile Strength: Ultimate (UTS), MPa		200

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		200

Maximum Temperature: Mechanical, °C		420
Maximum Temperature: Mechanical, °C		200

Melting Completion (Liquidus), °C		1460
Melting Completion (Liquidus), °C		920

Melting Onset (Solidus), °C		1420
Melting Onset (Solidus), °C		710

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		400

Thermal Conductivity, W/m-K		45
Thermal Conductivity, W/m-K		200

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

Otherwise Unclassified Properties

Base Metal Price, % relative		2.3
Base Metal Price, % relative		29

Density, g/cm³		7.8
Density, g/cm³		8.6

Embodied Carbon, kg CO₂/kg material		1.4
Embodied Carbon, kg CO₂/kg material		2.5

Embodied Energy, MJ/kg		19
Embodied Energy, MJ/kg		39

Embodied Water, L/kg		51
Embodied Water, L/kg		290

Common Calculations

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		7.1

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

Strength to Weight: Axial, points		17 to 60
Strength to Weight: Axial, points		6.4

Strength to Weight: Bending, points		17 to 40
Strength to Weight: Bending, points		8.8

Thermal Diffusivity, mm²/s		12
Thermal Diffusivity, mm²/s		56

Thermal Shock Resistance, points		14 to 50
Thermal Shock Resistance, points		7.9

Alloy Composition

Boron (B), %		0.00080 to 0.0050
Boron (B), %		0

Carbon (C), %		0.3 to 0.34
Carbon (C), %		0

Chromium (Cr), %		0.9 to 1.2
Chromium (Cr), %		0

Copper (Cu), %		0 to 0.25
Copper (Cu), %		94.7 to 95.2

Iron (Fe), %		97 to 98.2
Iron (Fe), %		0

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

Phosphorus (P), %		0 to 0.025
Phosphorus (P), %		4.8 to 5.2

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

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

Residuals, %		0
Residuals, %		0 to 0.15