C72150 Copper-nickel vs. AWS E312

C72150 copper-nickel belongs to the copper alloys classification, while AWS E312 belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C72150 copper-nickel and the bottom bar is AWS E312.

UNS C72150 (CuNi44) Copper-Nickel AWS E312 (W31310) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		150
Elastic (Young's, Tensile) Modulus, GPa		200

Elongation at Break, %		29
Elongation at Break, %		25

Poisson's Ratio		0.33
Poisson's Ratio		0.27

Shear Modulus, GPa		55
Shear Modulus, GPa		80

Tensile Strength: Ultimate (UTS), MPa		490
Tensile Strength: Ultimate (UTS), MPa		740

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		310

Melting Completion (Liquidus), °C		1210
Melting Completion (Liquidus), °C		1410

Melting Onset (Solidus), °C		1250
Melting Onset (Solidus), °C		1360

Specific Heat Capacity, J/kg-K		410
Specific Heat Capacity, J/kg-K		480

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		15

Otherwise Unclassified Properties

Base Metal Price, % relative		45
Base Metal Price, % relative		20

Density, g/cm³		8.9
Density, g/cm³		7.7

Embodied Carbon, kg CO₂/kg material		6.1
Embodied Carbon, kg CO₂/kg material		3.6

Embodied Energy, MJ/kg		88
Embodied Energy, MJ/kg		52

Embodied Water, L/kg		270
Embodied Water, L/kg		200

Common Calculations

Stiffness to Weight: Axial, points		9.1
Stiffness to Weight: Axial, points		15

Stiffness to Weight: Bending, points		20
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		15
Strength to Weight: Axial, points		27

Strength to Weight: Bending, points		15
Strength to Weight: Bending, points		24

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

Alloy Composition

Carbon (C), %		0 to 0.1
Carbon (C), %		0 to 0.15

Chromium (Cr), %		0
Chromium (Cr), %		28 to 32

Copper (Cu), %		52.5 to 57
Copper (Cu), %		0 to 0.75

Iron (Fe), %		0 to 0.1
Iron (Fe), %		52.3 to 63.5

Lead (Pb), %		0 to 0.050
Lead (Pb), %		0

Manganese (Mn), %		0 to 0.050
Manganese (Mn), %		0.5 to 2.5

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0 to 0.75

Nickel (Ni), %		43 to 46
Nickel (Ni), %		8.0 to 10.5

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

Silicon (Si), %		0 to 0.5
Silicon (Si), %		0 to 1.0

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

Zinc (Zn), %		0 to 0.2
Zinc (Zn), %		0

Residuals, %		0 to 0.5
Residuals, %		0