C55281 Copper vs. S31060 Stainless Steel

C55281 copper belongs to the copper alloys classification, while S31060 stainless steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is C55281 copper and the bottom bar is S31060 stainless steel.

UNS C55281 (BCuP-3) Filler Metal UNS S31060 Stainless 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		0.27

Shear Modulus, GPa		40
Shear Modulus, GPa		78

Tensile Strength: Ultimate (UTS), MPa		190
Tensile Strength: Ultimate (UTS), MPa		680

Thermal Properties

Latent Heat of Fusion, J/g		190
Latent Heat of Fusion, J/g		290

Maximum Temperature: Mechanical, °C		200
Maximum Temperature: Mechanical, °C		1080

Melting Completion (Liquidus), °C		810
Melting Completion (Liquidus), °C		1420

Melting Onset (Solidus), °C		640
Melting Onset (Solidus), °C		1370

Specific Heat Capacity, J/kg-K		400
Specific Heat Capacity, J/kg-K		480

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

Otherwise Unclassified Properties

Density, g/cm³		8.7
Density, g/cm³		7.8

Embodied Carbon, kg CO₂/kg material		7.0
Embodied Carbon, kg CO₂/kg material		3.4

Embodied Energy, MJ/kg		110
Embodied Energy, MJ/kg		48

Common Calculations

Stiffness to Weight: Axial, points		6.9
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		18
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		6.1
Strength to Weight: Axial, points		24

Strength to Weight: Bending, points		8.5
Strength to Weight: Bending, points		22

Thermal Shock Resistance, points		7.7
Thermal Shock Resistance, points		15

Alloy Composition

Boron (B), %		0
Boron (B), %		0.0010 to 0.010

Carbon (C), %		0
Carbon (C), %		0.050 to 0.1

Cerium (Ce), %		0
Cerium (Ce), %		0 to 0.070

Chromium (Cr), %		0
Chromium (Cr), %		22 to 24

Copper (Cu), %		88.5 to 89.4
Copper (Cu), %		0

Iron (Fe), %		0
Iron (Fe), %		61.4 to 67.8

Lanthanum (La), %		0
Lanthanum (La), %		0 to 0.070

Manganese (Mn), %		0
Manganese (Mn), %		0 to 1.0

Nickel (Ni), %		0
Nickel (Ni), %		10 to 12.5

Nitrogen (N), %		0
Nitrogen (N), %		0.18 to 0.25

Phosphorus (P), %		5.8 to 6.2
Phosphorus (P), %		0 to 0.040

Silicon (Si), %		0
Silicon (Si), %		0 to 0.5

Silver (Ag), %		4.8 to 5.2
Silver (Ag), %		0

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

Residuals, %		0 to 0.15
Residuals, %		0