C55181 Copper vs. EN 1.5450 Steel

C55181 copper belongs to the copper alloys classification, while EN 1.5450 steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is C55181 copper and the bottom bar is EN 1.5450 steel.

UNS C55181 (BCuP-2) Filler Metal EN 1.5450 (8MoB5-4) Molybdenum Steel

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		0.29

Shear Modulus, GPa		40
Shear Modulus, GPa		73

Tensile Strength: Ultimate (UTS), MPa		200
Tensile Strength: Ultimate (UTS), MPa		620

Thermal Properties

Latent Heat of Fusion, J/g		190
Latent Heat of Fusion, J/g		250

Maximum Temperature: Mechanical, °C		200
Maximum Temperature: Mechanical, °C		410

Melting Completion (Liquidus), °C		790
Melting Completion (Liquidus), °C		1470

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

Specific Heat Capacity, J/kg-K		410
Specific Heat Capacity, J/kg-K		470

Thermal Expansion, µm/m-K		16
Thermal Expansion, µm/m-K		13

Otherwise Unclassified Properties

Base Metal Price, % relative		28
Base Metal Price, % relative		2.4

Density, g/cm³		8.5
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		2.4
Embodied Carbon, kg CO₂/kg material		1.5

Embodied Energy, MJ/kg		38
Embodied Energy, MJ/kg		20

Embodied Water, L/kg		290
Embodied Water, L/kg		49

Common Calculations

Stiffness to Weight: Axial, points		7.0
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		6.5
Strength to Weight: Axial, points		22

Strength to Weight: Bending, points		8.9
Strength to Weight: Bending, points		20

Thermal Shock Resistance, points		8.2
Thermal Shock Resistance, points		18

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.060

Boron (B), %		0
Boron (B), %		0.0020 to 0.0060

Carbon (C), %		0
Carbon (C), %		0.060 to 0.1

Chromium (Cr), %		0
Chromium (Cr), %		0 to 0.2

Copper (Cu), %		92.4 to 93
Copper (Cu), %		0 to 0.3

Iron (Fe), %		0
Iron (Fe), %		97.6 to 98.8

Manganese (Mn), %		0
Manganese (Mn), %		0.6 to 0.8

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0.4 to 0.5

Phosphorus (P), %		7.0 to 7.5
Phosphorus (P), %		0 to 0.025

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

Sulfur (S), %		0
Sulfur (S), %		0 to 0.010

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.060

Residuals, %		0 to 0.15
Residuals, %		0