C55181 Copper vs. SAE-AISI M3 Class 2 Steel

C55181 copper belongs to the copper alloys classification, while SAE-AISI M3 class 2 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C55181 copper and the bottom bar is SAE-AISI M3 class 2 steel.

UNS C55181 (BCuP-2) Filler Metal SAE-AISI M3 Class 2 (T11323) Molybdenum High-Speed Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.34
Poisson's Ratio		0.29

Shear Modulus, GPa		40
Shear Modulus, GPa		77

Tensile Strength: Ultimate (UTS), MPa		200
Tensile Strength: Ultimate (UTS), MPa		770 to 2210

Thermal Properties

Latent Heat of Fusion, J/g		190
Latent Heat of Fusion, J/g		260

Melting Completion (Liquidus), °C		790
Melting Completion (Liquidus), °C		1620

Melting Onset (Solidus), °C		710
Melting Onset (Solidus), °C		1570

Specific Heat Capacity, J/kg-K		410
Specific Heat Capacity, J/kg-K		440

Thermal Expansion, µm/m-K		16
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		28
Base Metal Price, % relative		25

Density, g/cm³		8.5
Density, g/cm³		8.3

Embodied Carbon, kg CO₂/kg material		2.4
Embodied Carbon, kg CO₂/kg material		12

Embodied Energy, MJ/kg		38
Embodied Energy, MJ/kg		180

Embodied Water, L/kg		290
Embodied Water, L/kg		110

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		23

Strength to Weight: Axial, points		6.5
Strength to Weight: Axial, points		26 to 74

Strength to Weight: Bending, points		8.9
Strength to Weight: Bending, points		22 to 45

Thermal Shock Resistance, points		8.2
Thermal Shock Resistance, points		24 to 69

Alloy Composition

Carbon (C), %		0
Carbon (C), %		1.2 to 1.3

Chromium (Cr), %		0
Chromium (Cr), %		3.8 to 4.5

Copper (Cu), %		92.4 to 93
Copper (Cu), %		0 to 0.25

Iron (Fe), %		0
Iron (Fe), %		75.8 to 82.3

Manganese (Mn), %		0
Manganese (Mn), %		0.15 to 0.4

Molybdenum (Mo), %		0
Molybdenum (Mo), %		4.8 to 6.5

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.3

Phosphorus (P), %		7.0 to 7.5
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		0
Silicon (Si), %		0.2 to 0.45

Sulfur (S), %		0
Sulfur (S), %		0 to 0.030

Tungsten (W), %		0
Tungsten (W), %		5.0 to 6.8

Vanadium (V), %		0
Vanadium (V), %		2.8 to 3.8

Residuals, %		0 to 0.15
Residuals, %		0